semi silica brick for rotary kiln from China manufacturer

Price:	1.52 USD
Payment Terms:	T/T,L/C,D/A,D/P,WU,Paypal,Money Gram
Place of Origin:	Henan, China (Mainland)


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Product Detail

Model No.: JK-SB03

Production Capacity: 10000000000

Delivery Date: 7-15days

Shape: Brick

Al2O3 Content (%): <1%

linear expansion%: 0.55-1.30

Means of Transport: Ocean,Land,Air

Packing: In wooden case

Brand Name: JK

SiO2 Content (%): 91

Thermal shock: ≤1.26

Material: Other

Silica refractory mortar for masonry silica brick,is one of the refractory brick,with high temperature,used for kinds of furnace.

Semi-silica brick content less than 30% Al2O3 and more than 65%SiO2. it is made of quartz sand and kaolin in special grain fineness,after shaping,drying.As it contains more quartz, the property is between clay brick and silica brick, residual expansion,erosion-resistance,acid slag resistance and RUL all higher than clay bricks.It is used as the coke oven bottom, liner and flue etc.

physical and chemical index:

items	JK-65
SiO2%	≥65
Al2O3%	<30
K2O+Na2O%	≤1.0
AP%	≤24
CCS(MPa)	≥25
0.2MPa RUL (°C)	≥1350
*PLC(1350°C2h) %**	-0.2~+0.2

Technology and materials

Type	N-1	N-2a	N-2b	N-3a	N-3b
Refractoriness(℃)	≥1760	≥1740	≥1740	≥1720	≥1720
CS(Mpa)	≥30	≥25	≥20	≥20	≥15
AP(%)	≤22	≤24	≤26	≤24	≤26
PLC(1400℃×2h)%	−0.4~+0.1	−0.5~+0.1	−0.5~+0.2	−0.5~+0.2	−0.5~+0.2

Type	N-4	N-5	N-6
Refractoriness(℃)	≥1700	≥1660	≥1580
CS(Mpa)	≥20	≥15	≥15
AP(%)	≤24	≤26	≤28
PLC(1400℃×2h)%	−0.5~+0.2	−0.5~+0.2	−0.5~+0.2

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