Asbestos free calcium silicate products - WH Thermal Technology(Shanghai) Co., Ltd.

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Asbestos free calcium silicate products

WH asbestos free calcium silicate insulation products are high-performance insulation materials made by mixing hard silicate calcium hydrate through thermoplastic reaction with inorganic reinforcing fibers. The maximum operating temperature of the product is 1000 ° C, and hydrophobic products can be provided according to customer needs.

Product Features

Low thermal conductivity, good insulation
Small shrinkage, good thermal stability
Good durability, able to withstand high temperature continuous heat load
Light weight, high specific strength
High heat resistance, no deformation within use temperature
Not afraid of water and moisture, product performance remains unchanged after drying
Easy construction and installation, good processability
Does not contain asbestos components

Typical Applications

Glass industry: furnace bottom and wall
Cement industry: rotary kiln, decomposition kiln, preheater, air duct, kiln hood, cooling machine
Metallurgical industry: electrolytic cell, heating furnace, soaking furnace, annealing furnace, high-temperature flue, hot air pipeline
Petrochemical industry: heating furnace, cracking furnace, hydrogen production furnace, aromatics furnace, catalytic cracking furnace
Power industry: boiler, preheating furnace, pipeline insulation
Ceramic industry: tunnel kiln and trolley
Other thermal equipment backing materials and pipeline insulation

Standard size

Tablet: 610x300x25-100mm
1000x500x25-100mm

Curved plate and shell: (wall) thickness: 25-75mm

Other special specifications can be customized according to customers' needs

Performance metrics

Product Code	WHSG-40N	WHSG-41N	WHSG-41S	WHSG-41M	WHSG-41H
	650 calcium silicate board	1000 calcium silicate board	1000 calcium silicate board	1000 calcium silicate board	1000 calcium silicate board
Classification Temperature ° C	650	1000	1000	1000	1000
Bulk density kg/m3	220 (±10%)	220 (±10%)	250 (±10%)	300 (±10%)	800 (±10%)
Flexural strength MPa	≥0.3	≥0.50	≥0.60	≥0.75	≥6.0
Thermal conductivity W/m.k (° C)	0.062(400)	0.062(600)	0.066(600)	0.072(600)	0.14(600)
Linear shrinkage rate% (° C * 16hr)	≤2(650)	≤2(1000)	≤2(1000)	≤2(1000)	≤2(1000)
Note: Products with higher density and strength can be produced according to customer requirements and usage conditions.