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coke furnace gunning material
coke furnace gunning material indexㄩ
item                             index 
SFJ-NP45 SFJ-LP55 SFJ-LP65 SFJ-LP75 SFJ-GP80 SFJ-PA80A SPJ-PA80B
refractoriness ( ⊥) ≡ 1730 1770 1790 1790 1790 1690 1710
size composition﹛ ㄗ % ㄘ +0.5mm ≒ 5 5 5 5 5 5 5
-0.074mm ≡ 50 50 50 50 70 70 70
felt folding strenth MPa 110 ⊥℅24h≡ 2 2 2 2 2 2 2
1400 ⊥℅3h≡ 6(1200 ⊥) 6 6 6 8(1500 ⊥) 6 6
linear change on reheating﹛rate   ㄗ % ㄘ 1400 ⊥℅3h (1300 ⊥) +1‵-5 +1‵-5 +1‵-5 +1‵-5 +1‵-5 (1450 ⊥) +0.2
0.2MPa   refractoriness under loadㄗ ⊥ㄘ≡ 1200 1300 1400 1400 1650 1610 1610
chemical composition ㄔ Al 2 O 3 45 55 65 75 80 求求 求求
SiO 2 求求 求求 求求 求求 求求 80 85
felt time    (min) 1 ‵ 2 求求 求求 1 ‵ 3 求求 求求 求求

noticeㄩ1.SFJJ ㄜ PA80A  common high strengh slurry of silicon . 2.SFJ ㄜ PA80B high temperature shock,high cohesional strength silicon slurry, the slurry usage temperature  1710 ⊥, low coefficient of heat expansion, good temperature shock stability, abrasion resistance, chemical resistance etc.special function

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