Vermiculite Board - Your Thermal insulation material Manufactruer

I. Product Overview

Vermiculite board is a new type of fireproof insulation material made primarily from expanded vermiculite and inorganic binders. It withstands temperatures up to 1100-1150℃, is non-toxic and smoke-free, contains no asbestos, and can be easily sawn, nailed, drilled, and planed for convenient installation. It is widely used in fire door cores, fireplace linings, kiln insulation, and steel beam fire protection cladding.

II. Technical Specifications

Parameter	Value
Bulk Density	400-900 kg/m³ (commonly 700-800)
Maximum Service Temperature	1000-1150℃
Thermal Conductivity	0.028-0.18 W/(m·K)
Compressive Strength	0.8-3.0 MPa
Flexural Strength	60-70 kg/cm²
Linear Shrinkage (900℃×24h)	1.9-4%

Common Sizes: 1000×610mm, 2100×900mm, 2440×1220mm, thickness 20-50mm (custom sizes available).

III. Vermiculite Board vs. Ceramic Fiber Board

Comparison	Vermiculite Board	Ceramic Fiber Board
Service Temperature	1100-1150℃	1260℃+
Health & Safety	Fiber-free, no health risk	Fibers may irritate skin
Strength	High, impact-resistant	Low, brittle
Cost	Moderate	Higher

IV. Kerr Refractory Supplies Multiple Models of Vermiculite Board – Inquire for Pricing!

Kerr Refractory offers vermiculite boards in various densities and sizes, with high-quality raw materials, complete specifications, custom options, and technical selection support.