Techanical Details

Advantage Of Alaska Insulation

Excellent thermal performance

Calcium silicate insulation has low thermal conductivity, which means it is an effective insulator. It helps in reducing heat transfer and maintaining stable temperatures in buildings or industrial processes.

Fire resistance

Calcium silicate insulation has excellent fire-resistant properties. It is non-combustible and can withstand high temperatures without releasing toxic gases. This feature enhances safety and makes it suitable for applications where fire protection is critical.

Moisture resistance

Calcium silicate insulation is resistant to moisture absorption. It does not readily absorb water, which helps maintain its insulating properties even in humid conditions. This resistance to moisture also helps prevent the growth of mold and mildew.

Durability and long lifespan

Calcium silicate insulation is a durable material that can withstand harsh conditions. It does not degrade easily, ensuring a long service life. This makes it a cost-effective solution, as it reduces the need for frequent replacements or maintenance.

Sound insulation

Calcium silicate insulation also offers good sound absorption properties, helping to reduce noise transmission. It can contribute to creating a quieter and more comfortable environment in buildings.

Chemical resistance

Calcium silicate insulation is resistant to a wide range of chemicals, making it suitable for use in industrial applications. It can withstand exposure to acids, alkalis, and many other corrosive substances.

Environmentally friendly

Calcium silicate insulation is made from natural materials and does not contain harmful substances such as asbestos. It is considered an environmentally friendly option compared to some other insulation materials.

Easy installation

Calcium silicate insulation is relatively lightweight and can be easily cut or shaped to fit various applications. It is available in various forms, such as rigid boards, flexible sheets, and pipe coverings, allowing for easy installation in different areas.

Technical Details

Use temperature, max, °F (°C) 1200 (649) > 1200 (649)
Density (dry), max, lb/ft3(kg/m3) 15 (240) > 15 (240)
Flexural strength, min, psi (kPa) 50 (344) > 50 (344)
Compressive strength, min, at 5 % deformation, psi (kPa)
Mass loss by tumbling, max, % after first 10 minutes 20 < 20
after second 10 minutes 40 < 40
Soaking heat linear shrinkage, max, % 2 < 2
Hot surface performance: warpage, max, in. (mm) cracking 1⁄4 (6) < 1⁄4 (6)
Apparent thermal conductivity (see Note 2)
Btu-in./h-ft2-°F (W/m-K) max at mean temperature of:
100°F (38°C) 0.41 (0.059) < 0.41 (0.059)
200°F (93°C) 0.45 (0.065) < 0.45 (0.065)
300°F (149°C) 0.50 (0.072) < 0.50 (0.072)
400°F (204°C) 0.55 (0.079) < 0.55 (0.079)
500°F (260°C) 0.60 (0.087) < 0.60 (0.087)
600°F (316°C) 0.66 (0.095) < 0.66 (0.095)
700°F (371°C) 0.71 (0.102) < 0.71 (0.102)
800°F (427°C)
900°F (482°C)
1000°F (538°C)
Surface burning characteristics: Smoke density index, max 0 0
Flame spread index, max 0 0
Non-Combustibility Pass Pass
Moisture content, by weight, max % 20 < 20

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