Class B Vermiculite Heat insulation & Heat resistance irregular block

Product introduction	Class B vermiculite brick has better strength & higher service temperature than class A. This product is commonly widely used in industrial field.
Characteristic	According to class A vermiculite heat insulation board
Application	According to class A vermiculite heat insulation board
Dimension	*Standard Size: L230*W114*T45mm; Density 400~1200 kg/m3 ＊Except standard size, we can offer OEM for customer requirement, but it will produce model charge, pls kindly understand.

Physical Index

Model Number			B1	B2	B3
Grade:			V1150-700	V1150-800	V1150-900
Item	Max. Service Temperature:（℃）		1150	1150	1150
	Bulk Density:kg/m3		700	800	900
	Cold Crushing Strength:【EN 1094-5:1995】MPa		4.6	6.0	6.5
	Hot Crushing Strength:（MPa）@750℃		3.5	4.5	5.0
	Modulus of Rupture:【EN 993-6:1995】(MPa)		2.0	2.5	3.0
	Apparent Porosity: (%)		78	70	65
	Linear Reheat Shrinkage:【EN 1094-6:1999】（%）24H@900℃		0.6≧	0.6≧	0.6≧
	Thermal Expansion:【BS 1902: section 5.3:1990】(K-1)@ 20 to 800℃		10.8x10-6	10.8x10-6	10.8x10-6
	hermal Conductivity【W/(m・K)】	@200℃	0.131	0.141	0.146
		@400℃	0.151	0.165	0.171
		@600℃	0.179	0.188	0.193
		@800℃	0.181	0.197	0.198
	Chemical Analysis	SiO2	41.2
		Al2O3	12.68
		Fe2O3	4.06
		TiO2	1.33
		MgO	24.22
		CaO	0.96 8.97
		K2O
		Na2O	0.60
	Loss on Ignition  (%)		6.5
Dimension	* Max Length=1200mm、Max Width=1000mm、Min Thickness=10mm、Max Thickness=100mm、Density=400～1200kg/m3 ＊Can design various shapes according to customer requirements ＊Kindly understand that irregular board will cost a model charge. ※Can be machined into different shape and cut into different size according to customer requirements。

※Note: Above test results are average results of tests conducted under standard procedures and subject to variation. Results should not be used for specification purposes.

Sales office:TEL+86-755-2318-7516          FAX +86-755-2698-8156-202

pang@vermiculite.com.cn                   hana@vermiculite.com.cn