Cal-Sil Board_Fireproof Calcium Silicate Board_Calcium Silicate Insulation Board

Calcium Silicate Board

Laurel Industrial calcium silicate board is a high-performance composite material made from silica, calcium oxide, and reinforcing fibers, cured under high pressure and steam. Renowned for its fire resistance (up to 1100°C), thermal insulation, and dimensional stability, it’s widely used in industrial equipment (boilers, furnaces), construction (fireproof partitions, ceiling systems), and marine applications. Its lightweight yet robust structure ensures easy installation, while chemical resistance and non-toxic properties make it ideal for harsh environments. Eco-friendly and compliant with international standards, it balances durability, safety, and cost-effectiveness across diverse sectors.

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Product Details
Table Parameters
Features
Applications
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Product Details

Thickness: 10-140 mm or customized
Length: 400/600/610/1000/1200 mm or customized
Width: 250/300/500/600 mm or customized
Function: Refractory & Insulation & Fireproof

Calcium silicate board Strengths include:

1. Fire Resistance: Withstands temperatures up to 1100°C, making it ideal for fireproofing critical infrastructure.

2. Thermal Insulation: Low thermal conductivity ensures energy efficiency in industrial equipment and buildings.

3. Chemical Stability: Resistant to corrosion, acids, and alkalis, suitable for harsh environments.

4. Lightweight & Durable: Easy to handle and install while maintaining long-term dimensional stability.

5. Eco-Friendly: Non-toxic, asbestos-free, and compliant with global safety standards (e.g., ASTM, EN).

6. Versatile Applications: Used in boilers, furnaces, marine interiors, and construction for partitions/ceilings.

Table parameters

Item	Calcium silicate board
Chemical Composition	%	SiO2≥55; CaO≥36; Al2O3≤0.5; Fe2O3≤1.0
Bulk Density	Kg/m3	250(±10%)	270(±10%)	300(±10%)
Flexural Strength	Mpa	≥0.55	≥1.0	≥1.2
Max service temperature	ºC	1100	1100	1100
Compressive Strength	Mpa	≥1.0	≥1.5	≥2.0
Thermal Conductivity (W/m.k)	200ºC	0.08	0.078	0.087
	400ºC	0.106	0.099	0.114
	600ºC	0.132	0.128	0.139
	800ºC	0.165	0.156	0.168
Linear Shrinkage	%	≤2(1000ºC,16 hrs)

Features

★ Light bulk weight
★ Low thermal conductivity
★ High compressive strength
★ Good durability
★ Strong practicality in construction
★ Non-toxic, easy to cut and install

Industrial Calcium Silicate Board is widely adopted across industries for its versatile properties. In construction, it serves as fireproof partitions, ceilings, and wall linings to enhance safety and energy efficiency. In manufacturing, it insulates boilers, furnaces, and pipelines, ensuring optimal thermal performance and corrosion resistance. The marine sector utilizes it for ship interiors and engine rooms due to its lightweight yet flame-retardant nature. Additionally, it’s ideal for power plants to line high-temperature equipment, and in chemical facilities to protect against acidic environments. Its durability and eco-friendly credentials make it a go-to choice for demanding applications requiring fire safety, thermal stability, and long-term reliability.

Applications

Steel Industry

Aluminum Industry

Cement Industry

Glass Industry

Foundry Industry

Other metallurgical industries

Calcium Silicate Board

Insulation and Refractory Materials