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Mark & model ： Dense Fireclay and High Alumina Refractory Castable
Quality standard ： International
H.S.Classification ： Glassware & Ceramics，Ceramic Products，6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods nesoi
DENSE FIRECLAY AND HIGH ALUMINA REFRACTORY CASTABLE | ||||||||||||||
Classification | FIRECLAY BONDED | CEMENT BONDED | LOW CEMENT BONDED | PHOSPHATE BONDED | SODIUM SILICATE BONDED | |||||||||
Goods Brand | NL70 | NL60 | NL45 | GL85 | GL70 | GL60 | GL50 | GL42 | DL80 | DL60 | LL75 | LL60 | LL45 | LBN40 |
Al2O3(%) min | 70 | 60 | 45 | 85 | 70 | 60 | 50 | 42 | 80 | 60 | 75 | 60 | 45 | 40 |
CaO(%) max | *** | 2.5 | 2.5 | *** | ||||||||||
Refractoriness(℃) min | 1760 | 1720 | 1700 | 1780 | 1720 | 1700 | 1660 | 1640 | 1780 | 1740 | 1780 | 1740 | 1700 | *** |
Testing Temperature For Shrinkage after Reheating less than +/-1% (℃) min | 1450 | 1400 | 1350 | 1500 | 1450 | 1400 | 1400 | 1350 | 1500 | 1500 | 1500 | 1450 | 1350 | 1000 |
Cold crushing strength (MPa) after drying at 110 ℃ min | 10 | 9 | 8 | 35 | 35 | 30 | 30 | 25 | 40 | 30 | 30 | 25 | 20 | 20 |
Bending strength (MPa) after drying at 110 ℃ min | 2 | 1.5 | 1 | 5 | 5 | 4 | 4 | 3.5 | 6 | 5 | 5 | 4 | 3.5 | *** |
