3/4 in x 24 in x 48 in Calcium Silicate High Temperature Insulation MPN:638338
3/4 in x 24 in x 48 in Calcium Silicate High Temperature Insulation
Protect your high-temperature equipment and systems with Johns Manville's 3/4 in x 24 in x 48 in Calcium Silicate Insulation. This high-performance insulation features a maximum operating temperature of 1,700 Degrees F, making it ideal for use in industrial applications such as boiler and furnace insulation, kiln and oven lining, and heat exchanger wrapping. Its minimal water vapor absorption and closed-cell structure ensure long-lasting thermal performance and reduced risk of damage from moisture. With a density of 40 lb/cu ft and an R-value of 0.77, this insulation provides effective thermal protection for a wide range of high-temperature equipment and systems.
Top product features:
- High Temperature Resistance up to 1,700 Degrees F
- Closed Cell Foam Structure for Minimal Water Vapor Absorption
- Density of 40 lb/cu ft for High Insulation Performance
Top product applications:
- Industrial Boiler Insulation
- High Temperature Furnace Insulation
- Steam Pipe Insulation
High Temperature Insulation, Density 40 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 24 in, Overall Width 4 ft, R Value 0.77, Thickness 3/4 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: 24.88
- Package Height: 1.62
- Package Weight: 56.00
Product info last updated on March 3, 2026 3:36pm UTC
Category: Heating Equipment