1 1/2 in x 48 in x 48 in Calcium Silicate High Temperature Insulation MPN:638336
1 1/2 in x 48 in x 48 in Calcium Silicate High Temperature Insulation
Protect high-temperature equipment and surfaces with Johns Manville's 1 1/2 in x 48 in x 48 in Calcium Silicate High Temperature Insulation. This durable insulation board offers a maximum operating temperature of 1,700 Degrees F and a minimum operating temperature of 0 Degrees F, making it ideal for use in industrial applications such as kilns, furnaces, and heat exchangers. Its closed-cell structure provides minimal water vapor absorption and a low R-value of 1.54. The insulation is also resistant to thermal shock and can withstand extreme temperatures, reducing the risk of damage and ensuring prolonged equipment lifespan.
Top product features:
- High Temperature Insulation provides thermal protection up to 1,700 Degrees F
- Closed foam cell structure minimizes water vapor absorption
- Thickness of 1 1/2 in provides an R Value of 1.54
Top product applications:
- Industrial Furnace Insulation
- High Temperature Boiler Insulation
- Ceramic Kiln Insulation
High Temperature Insulation, Density 55 lb/cu ft, Facing Material Unfaced, Flexibility Not Applicable, Foam Cell Type Closed, Form Board, Insulation Color White, Insulation Material Calcium Silicate, Maximum Operating Temperature 1,700 Degrees F, Minimum Operating Temperature 0 Degrees F, Overall Length 4 ft, Overall Width 4 ft, R Value 1.54, Thickness 1 1/2 in, Standards ASTM C656, C795, E119, E136, E72, E84, NFPA251, UL 1479, UL 1709, UL 263, Water Vapor Absorption Minimal
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 270 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 50.94
- Package Width: 48.88
- Package Height: 2.38
- Package Weight: 192.00
Product info last updated on February 8, 2026 5:29am UTC
Category: Heating Equipment