Tariff Concession Orders

BASES, TROPHY, marble

GRANITE SLABS, polished AND/OR honed, having ALL of the 
following:
  (a) length NOT greater than 3 300 mm;
  (b) width NOT greater than 2 100 mm;
  (c) thickness NOT less than 20 mm and NOT greater than 40 mm

TABLEWARE, granite, being ANY of the following:
  (a) trivets;
  (b) coasters;
  (c) grinding sets, including BOTH of the following:
         (i) mortar;
        (ii) pestle

MORTAR AND PESTLE, granite

SLABS, quartzite, having ALL of the following:
 (a) length NOT greater than 3 500 mm;
 (b) width NOT greater than 2 100 mm;
 (c) thickness NOT less than 20 mm and NOT greater than 40 mm

SLABS, quartzite, having ALL of the following:
  (a) length NOT greater than 3 400 mm;
  (b) width NOT greater than 2 100 mm;
  (c) thickness NOT less than 20 mm and NOT greater than 40 mm

QUARTZITE SLABS, polished AND/OR honed having ALL of the 
following:
  (a) length NOT greater than 3 300 mm;
  (b) width NOT greater than 2 100 mm;
  (c) thickness NOT less than 20 mm and NOT greater than 40 mm

SLABS, dolomitic marble, polished AND/OR honed, having ALL of 
the following:
  (a) length NOT greater than 3 300 mm;
  (b) width NOT greater than 2 100 mm;
  (c) thickness NOT less than 20 mm and not greater than 40 mm

TILES, roofing, slate, thickness 6 mm or less, having a minimum
 rectangular size of 400 mm x 200 mm

WIRE, diamond, consisting of a multi-strand steel cable having
  diamond
 rings or beads interspersed with springs, plastic or rubber spacers

WHEELS, grinding, dia exceeding 915 mm

POINTS, mounted, grinding, having straight shanks

WHEELS, grinding, metal bonded, thickness NOT exceeding 0.61 mm

HONING STONES, diamond impregnated, imported with adjustable
 mountings

SAW BLADES, diamond, sintered metal bond edge, diameter NOT
 exceeding 235 mm

GRINDING WHEELS, diamond, optical lens

SAW BLADES, diamond, continuous (non segmented) sintered metal bond
 edge, dia NOT exceeding 235 mm

CUTTING AND/OR GRINDING DISCS, vacuum brazed diamond coating

FACE GRINDING WHEELS, diamond abrasive, having a diameter NOT 
greater than 100 mm

SHOES AND DISCS, GRINDING AND POLISHING, diamond impregnated

SAW BLADES, diamond, being ANY of the following:
  (a) sintered;
  (b) hot pressed;
  (c) laser welded

WHEELS, GRINDING, CONCRETE TEST CYLINDER END, diamond impregnated

WHEELS, grinding hot pressed, resinoid bonded, having an
 abrasive grain of EITHER of the following:
   (a) zirconia and aluminium oxide ONLY;
   (b) aluminium oxide ONLY

WHEELS, cutting, rubber bonded

POINTS, CONES OR BLOCKS, abrasive, rubber bonded

WHEELS, grinding, rubber bonded

WHEELS, grinding, dia exceeding 915 mm

POINTS, mounted, grinding, having straight shanks

HONING STONES, mounted in plastic, bakelite or metal holders

WHEELS, abrasive, containing non-woven cotton fibres, organic
 bonded

DISCS, abrasive, dental

INTRA-ORAL OR DENTAL LABORATORY MOUNTED GRINDING AND POLISHING
 POINTS, WHEELS OR CUPS of impregnated silicone or bonded
 carborundum

WHEELS, POLISHING OR BUFFING, GLASS SHEET, being in ANY of the
 following forms:
   (a) rubber bonded;
   (b) resin bonded;
   (c) polyurethane bonded

GRINDING STONES, having ANY of the following:
  (a) aluminium oxide; 
  (b) synthetic aluminium oxide AND zirconium oxide AND 
      aluminium oxide; 
  (c) polymerised synthetic resin bonded;
  (d) halogens compound fillers, including oxides AND sulphur
       compounds

CUTTING DISCS, circumferential speed NOT greater than 80 m/s

HONING TOOLS, including honing stones

ABRASIVE DRUMS, aluminium oxide, non-woven, including ALL of the 
following:
  (a) centre hole diameter NOT less than 19 mm and NOT greater 
than 26 mm;
  (b) outside diameter NOT less than 100 mm and NOT greater than 
200 mm; 
  (c) width NOT greater than 100 mm;
  (d) NOT less than 60 grit and NOT greater than 280 grit

ABRASIVE WHEELS, having ALL of the following:
  (a) head measurements NOT less than 25 mm x 15 mm and NOT 
greater than 80 mm x 50 mm;
  (b) non-woven nylon head with aluminium oxide grit; 
  (c) NOT less than 100 grit and NOT greater than 280 grit;
  (d) shaft AND/OR threaded bore

WHEELS, GRINDING, vitrified bonded, having an abrasive material 
consisting of aluminium oxide OR silicon carbide

PARTS, HANDHELD INTERCHANGEABLE ELECTRIC TOOL, being EITHER of 
the following:
  (a) grout and mortar removers;
  (b) sanding plates

WHEELS, GRINDING, resin bonded, having an abrasive grain of 
fused silicon carbide AND microcrystalline sintered aluminium 
oxide

WHEELS, GRINDING, resin bonded, having an abrasive grain of 
EITHER of the following:
  (a) fused silicon carbide;
  (b) fused microcrystalline sintered alumina

WHEELS, GRINDING, resin bonded, having an abrasive grain of 
EITHER of the following:
  (a) fused aluminium oxide;
  (b) fused aluminium oxide AND micro-crystal sintered aluminium 
      oxide

FOOT FILES, ceramic

WHEELS, CUT-OFF, ALUMINIUM OXIDE, reinforced resin bonded, 
having a diameter NOT less than 550 mm

PUMICE STONES, natural

SHARPENERS, diamond, industrial, flat or round

CLOTH, abrasive, rubber latex bonded, being EITHER of the
 following:
   (a) rolls having a width NOT less than 150 mm and a length
       NOT less than 7.62 m;
   (b) fingernail polishing sticks having the cloth laminated
       to plastic or foam material

CLOTH, open mesh, resin bonded, in roll form, being 100% water
 resistant, coated on both sides with silicon carbide or aluminium
 oxide abrasive

ABRASIVE FLAPWHEELS, being flaps of abrasive cloth radially and
 firmly fixed to a central core

ABRASIVE FLAPWHEELS, on flanges, being abrasive cloth flaps
 radially and firmly fixed to a central metallic core

CLOTH, open mesh, resin bonded, having ALL of the following:
   (a) in roll form, length NOT less than 26 m and width NOT less
       than 1.3 m;
   (b) water resistant;
   (c) impregnated with silicon carbide or aluminium oxide abrasive

CLOTH, abrasive, flexible, coated with synthetic diamond mineral
 abrasive

ABRASIVE CAPS, having BOTH of the following:
  (a) aluminium oxide;
  (b) cotton backing

ROLLS, ABRASIVE GRAIN CLOTH, consisting of abrasive grains resin 
bonded with flexible woven textile fabric

BELTS, SANDING, comprising ALL of the following:
   (a) belt width NOT less than 1 850 mm;
   (b) belt join zone NOT to exceed the belt thickness;
   (c) resin bonded abrasive

ABRASIVE, CRUSHED SILICON CARBIDE, having a base of aramid
 fibre woven fabric

DISCS, abrasive, dental

PADS OR SHEETS, ophthalmic lens grinding, fining or polishing

EMERY BOARDS OR BUFFERS, fingernail

SHEETS, SANDPAPER

ROLLS, SANDING PAPER

FILM, POLYESTER, coated on one side with mineral abrasive for
 polishing and micro finishing

FILM, lapping, being plastic film coated on one side with diamond
 mineral abrasive for polishing and superfinishing

STRIPS, abrasive, dental

DISCS, abrasive, dental

ANTI-SLIP MATERIALS, being coated metal foil OR plastic film,
 having BOTH of the following:
   (a) an adhesive on one surface, covered by "peel-off" backing;
   (b) a mineral abrasive on the other (upper) surface

NON WOVEN SHEETS, ABRASIVE, thickness 15 mm - 25 mm (+ or - 5%),
 being ANY of the following:
   (a) 100% polyester;
   (b) mixture of polyester/nylon;
   (c) 100% nylon;
   (d) mixture of polyester/animal hair

EMERY BOARDS OR BUFFERS, fingernail

SANDING BLOCKS, abrasive, aluminium oxide

ABRASIVE SANDING STRIPS, die formed, attachable to circular
 sanding heads

ABRASIVES, synthetic diamond mineral, being files, discs and pads

SCOURER PADS, non-woven, heat resistant, having NOT less than 
30 % silicon carbide

ABRASIVE DISCS, resin fibre, having BOTH of the following:
  (a) diameter NOT less than 100 mm and NOT greater than 180 mm;
  (b) NOT less than 16 grit and NOT greater than 220 grit

ABRASIVE DISCS, non-woven, having BOTH of the following:
  (a) diameter NOT less than 20 mm and NOT greater than 180 mm;
  (b) grit NOT less than 100 and NOT greater than 240

REPLACEMENT ROLLER HEADS, HAND HELD FOOT FILE, having BOTH of 
the following:
  (a) abrasive coating;
  (b) plastic spindle

ROLLS, ABRASIVE GRAIN FABRIC, consisting of abrasive grains 
resin bonded with non woven fabric

FILES, FOOT, pumice, with brush and hanging rope

SCOURING PADS, aluminium oxide coated, laminated to polyurethane 
sponge, having BOTH of the following:
  (a) NOT less than 70% nylon;
  (b) remainder polyester

SCOURING PADS, aluminium oxide coated, laminated to polyurethane 
detergent impregnated sponge, having BOTH of the following:
  (a) NOT less than 70% nylon;
  (b) remainder polyester

SCOURING PADS, aluminium oxide coated, having BOTH of the 
following:
  (a) NOT less than 70% nylon;
  (b) remainder polyester

PADS, SCOURER, having BOTH of the following:
(a) NOT less than 70% by weight of nylon;
(b) cellulose sponge one side

PADS, SCOURER AND/OR CLEANING, nylon, cut to size

BELTS, SANDING, having ALL of the following:
   (a) belt width NOT less than 1850 mm;
   (b) belt join zone NOT to exceed the belt thickness;
   (c) resin bonded abrasive

NEEDLED FELT INSULATION, rock mineral wool

PANELS AND/OR CEILING TILES, MINERAL WOOL, having BOTH of the 
following:
  (a) thickness NOT less than 10 mm;
  (b) glass fibre tissue coated on one OR more surfaces AND/OR 
      edges

SHEETS, MINERAL WOOL OR ROCK WOOL, in rolls, with OR without 
EITHER of the following:
  (a) metal intermeshing AND/OR stitching;
  (b) aluminium foil layer

BLANKETS AND/OR CORDS, THERMAL AND CHEMICAL INSULATION, 
aluminium silicate oxide ceramic fibre

BLANKETS, JET FIRE

BLANKETS, REFRACTORY

INSULATORS, SLAG WOOL

GOODS MADE FROM CERAMIC FIBRE, being ANY of the following:
   (a) woven cloth, having a continuous use temperature rating
       of NOT less than 1 200 degrees C;
   (b) paper, produced by the fourdrinier process;
   (c) rope;
   (d) tape;
   (e) braid
   For the purposes of TC 8735131 "ceramic fibre" is defined as
   fibre having NOT less than 70% of the total chemical content
   comprised of BOTH alumina and silica

TILES, CEILING, MINERAL FIBRE, fire rated, produced from naturally
 occurring rock

SHEETS, calcium silicate, fire rated in accordance with AS 1530.4

THERMAL INSULATION, microporous, constructed from bonded ceramic
 powder reinforced with ceramic fibres, being ANY of the following:
   (a) panels, including slatted and quilted types;
   (b) coil wrap, blocks and moulded forms; and
 having ALL of the following:
         (i) thermal conductivity of 0.04 W/(mK) at 600 degrees C;
        (ii) temperature limit 950 degrees C - 1 025 degrees C;
       (iii) a nominal cell dimension less than 0.1 microns

STRIP OR SHEETS, fire protection, intumescent, tested to conform to
 AS1530-4

INSULATING BOARD, calcium silicate, having ALL of the following:
  (a) silica content 47%;
  (b) alumina content 0.3%;
  (c) ferric oxide content 0.3%;
  (d) magnesium oxide content 0.6%;
  (e) calcium oxide content 45%;
  (f) sodium oxide content 0.1%;
  (g) potassium oxide 0.1%;
  (h) maximum service temperature NOT less than 800 degrees 
      Celsius
For the purposes of this order tolerances of + 5% and - 5% are 
allowable for specifications (a) through to (g)

INSULATING BOARD, REFRACTORY, including ALL of the following:
  (a) service temperature NOT less than 900 degrees Celsius and  
      NOT greater than 1 500 degrees Celsius;
  (b) NOT less than 20% magnesium oxide and NOT greater than  
      35% magnesium oxide; 
  (c) NOT less than 30% silicon dioxide and NOT greater than 
      45% silicon dioxide; 
  (d  porosity NOT less than 40% and NOT greater than 80%;
  (e) flexural strength NOT less than 5 MPa,
with OR without vermiculite OR fosterite

MATS, MINERAL WOOL, having BOTH of the following:
  (a) silica (SiO2) weight content less than 60%;
  (b) acrylic coatings

BOARDS OR BATTENS, MINERAL WOOL, having BOTH of the following:
  (a) silica (SiO2) weight content NOT greater than 60%;
  (b) acrylic coatings

PANELS, HEAT INSULATION, microporous, flexible, having a maximum 
insulating temperature capacity NOT less than 1 000 degrees 
Celsius

BOARD, having EITHER of the following:
  (a) calcium silicate content NOT less than 60%;
  (b) combined wollastonite AND quartz content NOT less than 40%

SHEETS, HEAT INSULATION, mineral fibre wool, silicon dioxide 
content NOT less than 50% and NOT greater than 60%, having BOTH 
of the following:
  (a) thickness NOT less than 25 mm and NOT greater than 100 mm;
  (b) operating temperature greater than 750 degrees Celsius

INSULATION ROPES, ceramic fibre yarn, whether OR not reinforced 
with fibreglass AND/OR wire

INSULATION, vermiculite, blocks OR boards, having ALL of the 
following:
  (a) maximum service temperature NOT less than 1 100 degrees 
      Celsius;
  (b) bulk density NOT less than 375 kg/m3 and NOT greater than
      1 200 kg/m3;
  (c) modulus of rupture of at least 0.3 MPa;
  (d) silicon dioxide content NOT less than 46%;
  (e) magnesium oxide content NOT greater than 22%;
  (f) aluminium oxide content NOT greater than 23%;
  (g) titanium dioxide content NOT greater than 1.6%;
  (h) calcium oxide content NOT greater than 3.5%;
  (i) potassium oxide content NOT greater than 11%

INTUMESCENT COLLARS, PLASTIC PIPE FIRE EMERGENCY CLOSURE

PANELS, REFRACTORY, vermiculite, magnesium aluminium iron 
silicate based, having ALL of the following:
  (a) magnesium oxide (MgO) content NOT less than 8.8%;
  (b) silica (SiO2) content NOT less than 46%;
  (c) service temperature NOT less than 1 100 degrees 
      Celsius

STONEWOOL, cubes OR blocks OR slabs

INSULATING BOARD, IN SHEETS, REFRACTORY, having ALL of the 
following:     
 (a) wollastanite;
 (b) portland cement bonded;
 (c) glass filament content NOT less than 0.9%;    
 (d) maximum continuous service temperature NOT greater than 510
     degrees centigrade;
 (e) dried bulk density NOT less than 1 700 kg/cubic metre and 
     NOT greater than 1 800 kg/cubic metre;
 (f) length NOT less than 1 215 mm and NOT greater than 
     1 225 mm; 
 (g) width NOT less than 905 mm and NOT greater than 915 mm;
 (h) thickness NOT less than 5.5 mm and NOT greater than 80 mm

INSULATING BOARD, REFRACTORY, having BOTH of the following:
  (a) calcium silicate based with calcium oxide (CaO) content  
      NOT less than 35% and silicon oxide (SiO) content NOT less 
      than 45%;                                                
  (b) service temperature NOT less than 800 degrees centigrade

INSULATING BOARD, REFRACTORY, having ALL of the following;     
  (a) service temperature NOT less than 950 degrees centigrade;
  (b) containing magnesia silicate, synthetic fosterite or     
      vermiculite;                                             
  (c) porosity NOT less than 40% and NOT greater than 60%;     
  (d) flexural strength NOT less than 10 MPa

TILES, MINERAL FIBRE, acoustic

BITUMINOUS MEMBRANE SHEETING, re-inforced, in rolls, having ALL of
 the following:
   (a) top surface composed of:
         (i) styrene butadiene styrene (SBS);
        (ii) modified bitumen compound extended onto a cross
             laminated high density polyethylene (HDPE) film;
   (b) peel-off backing sheet;
   (c) self-adhesive

BITUMINOUS MEMBRANE SHEETING, self adhesive, comprising a styrene
 butadiene styrene (SBS) modified bitumen compound extended onto a
 polypropylene mesh

MEMBRANE SHEETS IN ROLLS, being bituminous, having either a
 fibreglass mat or a polyester mat

SHEETING, BITUMINOUS MEMBRANE, distilled bitumen AND polymers 
reinforced with non-woven polyester fabric stabilised with glass 
fibres, in rolls

SHEETING, BITMINOUS MEMBRANE, bitumen AND natural rubber AND 
mineral aggregate, paper backed

BOARDS, WALL AND/OR ROOF AND/OR CEILING AND/OR FLOOR AND/OR 
SHELF, having a composition of NOT less than 50% cement

PANELS, wood fibre, cement bonded

TILES, ARTIFICIAL STONE, having ALL of the following:
  (a) marble or quartz chips;
  (b) resin binders;
  (c) NOT less than one polished surface;
  (d) dimension NOT greater than 610 mm x 610 mm

POLYMER CONCRETE PIPES

POLYMER CONCRETE PIPES

CONCRETE GEOTEXTILE, in rolls, having ALL of the following:
  (a) NOT less than 2% basalt fibre; 
  (b) mass NOT less than 7 550 g/m2;
  (c) thickness NOT less than 7.0 mm

CHEMICAL TANKS, having ALL of the following:
  (a) capacity NOT less than 70 000 L and NOT greater than
      160 000 L;
  (b) steel support frames;
  (c) wall AND floor AND end plates;
  (d) open top;
  (e) outlet nozzles

SLATS, FLOORING, dry cast concrete, having BOTH of the 
following: 
  (a) tapered recessed slat underside; 
  (b) concrete strength NOT less than 40 MPa

TANKS, ELECTROYLYTIC CELL, polymer concrete composite wall 
with vinyl ester resin gelcoated surfaces, having ALL of the 
following:
  (a) length NOT less than 6 metres;
  (b) width NOT less than 1.25 metres;
  (c) height NOT less than 1.7 metres;
  (d) inlet AND overflow bowls;
  (e) decant outlet;
  (f) inlet channel

PANELS, artificial stone being polyester resin AND crushed 
marble stone, having BOTH of the following:
  (a)  polyurethane foam insulated backing;
  (b)  dovetail connections

PLANTER POTS, having ALL of the following:
  (a) NOT less than 49% magnesia oxide;
  (b) NOT less than 34% magnesium chloride;
  (c) fibreglass reinforcement

SINKS, artificial stone

BLOCKS, CONCRETE SPACER, with OR without a metal clip

CANVAS, cement impregnated, PVC backed one side

STATUES, consisting of EITHER of the following:
  (a) polyresin and stone powder;
  (b) fibreglass reinforced polyresin and stone powder

ORNAMENTS, consisting of EITHER of the following:
  (a) polyresin and stone powder;
  (b) fibreglass reinforced polyresin and stone powder

GRIDS, FLOORING, concrete strength 80 MPa, + or- 10%

ORNAMENTS AND/OR FIGURINES, hand painted, having a resin content 
NOT less than 35%

SLABS, ARTIFICIAL STONE, comprising ALL of the following:
  (a) quartz chips;
  (b) resin binders;
  (c) NOT less than one polished surface

BOARDS, WALL AND/OR ROOF AND/OR CEILING AND/OR FLOOR, 
prefinished compressed fibre cement

BOARDS, WALL AND/OR ROOF AND/OR CEILING AND/OR FLOOR AND/OR 
SHELF, cellulose fibre reinforced, quartz AND lime AND mica 
embedded, having a cement  composition of NOT less than 25%

PLANTERS OR FOUNTAINS OR LETTERBOXES, GARDEN, indoor OR outdoor, 
glass reinforced concrete

LININGS, BRAKE, TRUCK AND/OR TRAILER, width NOT less than 
88.9 mm and NOT greater than 229 mm

PARTS, HYDRAULIC MOTORS AND TRANSMISSIONS, EARTHMOVER, being 
brake plates

LININGS, BRAKE, colophony, having BOTH of the following:
  (a) width NOT less than 33 cm;
  (b) length NOT less than 5 metres

LINING MATERIAL, brake, woven, in rolls or sheets

BAND LINING MATERIAL, automatic transmission

PLATES, clutch friction, motorcycle

CLUTCH FACINGS, non asbestos

TAPE, consisting of synthetic resin, mica paper, fibreglass
 reinforcement, with or without polyester film

FOIL OR TAPE, insulating, comprised of mica paper, glass fabric
 and synthetic resin(s)

ELECTRICAL INSULATING MATERIAL, being a central sheet of
 reconstituted mica paper reinforced with EITHER of the following:
   (a) polyester or terylene sheet;
   (b) glass terylene combination sheet bonded with polyester resin

INSULATION MATERIAL, electrical, consisting of a polyester film,
 non-woven glass, mica paper and polyester film bonded with
 polyester resin

PAPER, mica, in sheet form (but NOT including ANY articles
 made therefrom), NOT further impregnated or bonded

SHEET, mica, integrated silicon bonded

PAPER, mica, laminated with heat resistant binder, in sheet or
 roll form, capable of withstanding temperatures of 1 200 degrees C

SHEETS, JOINTING, carbon AND/OR graphite fibre

CLOTH, carbon fibre

CARBON FIBRE, polyacronitrile precursor material based, in
 chop form or in planar form

CLOTH, carbon fibre

CLOTH, carbon fibre

BLOCKS, PHENOLIC RESIN COMPOSITE, having BOTH of the following:
  (a) carbon fibre content NOT less than 75 per cent;
  (b) phenol as formaldehyde polymer NOT less than 15 per cent

BLOCKS, carbon composite, having ALL of the following:
  (a) squares having a length NOT less than 700 mm;
  (b) thickness NOT less than 150 mm;
  (c) carbon black NOT less than 50%, with
      wollastonite AND clay;
  (d) phenolic resin NOT less than 30%;
  (e) synthetic polyamide NOT less than 15%; 
  (f) nitrile-butadiene rubber NOT exceeding 5%

SHEETS OR FOIL, graphite, but NOT including graphite sheets or
 foil containing metal

RUPTURE (BURSTING) DISCS

FOIL, exfoliated graphite

YARNS, carbon or graphite

FERRULES, graphite, chromatography analysis equipment

REFRACTORIES, having a content of NOT less than 50% by weight of
 carbon

FILTRATION MEDIA, woven activated carbon

COMPONENTS, CHEMICAL STORAGE OR REACTION VESSEL INSULATION AND 
LINING, graphite AND/OR carbon, being ANY of the following:
  (a) tubes;
  (b) bricks;
  (c) bends;
  (d) wedges;
  (e) plates;
  (f) beams

DIES, CONTINUOUS CASTING, graphite

PARTS, HYDROGEN CHLORIDE SYNTHESIS MODULE, being ANY of the 
following:
   (a) blind flanges;
   (b) block elements;
   (c) bonnet tuns;
   (d) burner heads;
   (e) burner tubes;
   (f) bursting OR rupture discs;
   (g) combustion chambers;
   (h) crowns AND/OR weirs;
   (i) cylinders;
   (j) distributor plates;
   (k) elements;
   (l) lower pieces;
   (m) nozzles;
   (n) rings;
   (o) transition pieces;
   (p) upper pieces

REFRACTORY BRICKS AND SHAPES, MAGNESIA CARBON, unfired or 
unburned, having ALL of the following:
  (a) magnesia content NOT less than 70%;
  (b) carbon content NOT less than 5%;
  (c) bulk density NOT less than 2.7 gm/cc

TAPHOLE BLOCKS, REFRACTORY, having ALL of the following:
  (a) magnesia (MgO) content greater than 65%;
  (b) carbon content greater than 15%;
  (c) bulk density greater than 2 500 Kg/m3

EXPANSION SHEETS, REFRACTORY, having BOTH of the following:
   (a) magnesia content greater than 60%;
   (b) carbon content greater than 5%

REFRACTORY BRICKS, LADLE, unfired, having BOTH of the following:
  (a) calcium oxide content NOT less than 54%;
  (b) magnesium oxide content NOT less than 34%

REFRACTORY BRICKS AND MASSES, unfired, having a basis of calcium 
oxide (CaO)

REFRACTORY BRICKS AND SHAPES, MAGNESIA CARBON, BOS (Basic Oxygen
 Steel) CONVERTER FLOOR ASSEMBLY including tuyere brick, unfired
 OR unburned, having ALL of the following:
   (a) magnesia (MgO) content 72% OR greater;
   (b) carbon OR graphite content 15% OR greater;
   (c) length 900 mm OR greater;
   (d) tapered in at least two dimensions along the length

REFRACTORY BRICKS AND SHAPES, MAGNESIA CARBON, BOS (Basic Oxygen
 Steel) CONVERTER FLOOR ASSEMBLY including tuyere brick, unfired
 OR unburned, having ALL of the following:
   (a) magnesia (MgO) content 72% OR greater;
   (b) carbon OR graphite content 15% OR greater;
   (c) length 900 mm OR greater;
   (d) tapered in at least two dimensions along the length

REFRACTORY GOODS, UNFIRED, being ANY of the following:
   (a) bubbling elements;
   (b) taphole sleeves;
   (c) side injection housing blocks;
   (d) nozzles;
   (e) lances;
   (f) taphole sleeve segments;
   (g) injection nozzles;
   (h) stopper rods

SLEEVES, magnesium aluminate spinel

REFRACTORY BLOCKS, including ALL of the following:
  (a) aluminium oxide content NOT greater than 55%;
  (b) silicon dioxide content NOT greater than 40%

REFRACTORY BRICKS OR SHAPES, TORPEDO LADLE, having ALL of the 
following:
  (a) resin bonded AND cured;
  (b) alumina content NOT less than 65%;
  (c) carbon content NOT less than 8%;
  (d) bulk density greater than 2 600 kg/cubic metre;
  (e) silicon dioxide content NOT greater than 13%;
  (f) apparent porosity NOT less than 2% and NOT greater 
      than 10%;

REFRACTORY MASSES, unfired, having a basis of alumina

REFRACTORY BRICKS AND SHAPES, MAGNESIA CARBON, STEEL MAKING 
FURNACE AND LADLE LINING, unfired

REFRACTORY BRICKS AND SHAPES, UNFIRED, STEEL MAKING LADLE 
LINING, having ALL of the following:
  (a) alumina content NOT less than 50%;
  (b) magnesia content NOT less than 8%;
  (c) carbon content NOT less than 6%;
  (d) porosity NOT more than 12%;
  (e) cold crushing strength NOT less than 40 N/mm2;
  (f) density NOT less than 3 grams/cm3

SLAG LIMITING DARTS, BASIC OXYGEN STEELMAKING VESSEL, unfired, 
refractory

SAMPLERS, LIQUID METAL

REFRACTORY BRICKS AND SHAPES, MAGNESIA CARBON, unfired or 
unburned, having ALL of the following:
  (a) magnesia content NOT less than 70%;
  (b) carbon content NOT less than 5%;
  (c) bulk density NOT less than 2.7 gm/cc

PEBBLES, TUMBLED

PEBBLES, POLISHED

TAPHOLE BLOCKS, REFRACTORY, having ALL of the following:
  (a) magnesia (MgO) content greater than 65%;
  (b) carbon content greater than 15%;
  (c) bulk density greater than 2 500 Kg/m3

REFRACTORY BRICKS OR SHAPES, TORPEDO LADLE, having ALL of the
 following:
   (a) resin bonded and cured;
   (b) alumina content greater than 65%;
   (c) carbon content greater than 3%;
   (d) silicon carbide content NOT less than 3% and NOT greater than
       20%;
   (e) bulk density greater than 2 800 kg/cubic metre;
   (f) magnesia content NOT greater than 1%

EXPANSION SHEETS, REFRACTORY, having BOTH of the following:
   (a) magnesia content greater than 60%;
   (b) carbon content greater than 5%

REFRACTORY GOODS, UNFIRED, being ANY of the following:
   (a) bubbling elements;
   (b) taphole sleeves;
   (c) side injection housing blocks;
   (d) nozzles;
   (e) lances;
   (f) taphole sleeve segments;
   (g) injection nozzles;
   (h) stopper rods