High Temperature Blanket

This lightweight insulation blanket is made from highly resilient, inorganic glass fibers, bonded by high-temperature thermosetting resin. It has a density of 1.1 PCF (25.6 kg/m³).

Applications

High Temperature

Certifications

Product Features

Designed For High Heat

HT Blanket can be used in settings up to of 1000° F (538°  C), and is commonly used for industrial heating equipment including industrial furnaces, panel systems, and marine applications.

Lightweight & Flexible

This resilient insulation will resist damage during shipment and installation. But its lightweight enough to be easy to handle and fabricate, and it’s flexibility makes it a great choice for irregular surfaces.

Sustainable

HT Blanket is made with our bio-based ECOSE® binder and is formaldehyde-free. It’s also made with at least 50% recycled glass.

Product Details

Technical Data

TECHNICAL DATA
PROPERTY (UNIT)	TEST	PERFORMANCE
Corrosiveness	ASTM C665	Does not accelerate corrosion of steel
Corrosion	ASTM C1617	Pass
Maximum Service Temperature	ASTM C411	1000° F (538° C)
Water Vapor Sorption (by weight)	ASTM C1104	Less than 5%
Mold Growth	ASTM C1338	Pass
Surface Burning Characteristics (flame spread/smoke developed)	ASTM E84, UL 723, CAN/ULC S102	UL/ULC Classified FHC 25/50

Thermal Conductivity k

MEAN TEMPERATURE	K	K(SI)
100° F (38° C)	0.28	0.040
200° F (93° C)	0.38	0.055
300° F (149° C)	0.52	0.075
400° F (204° C)	0.70	0.101
500° F (260° C)	0.90	0.130

Forms Available

FORMS AVAILABLE
THICKNESS	WIDTH	LENGTH
1" (25 mm)	48" (1,219 mm)	75' (22.9 m)
1^1/2" (38 mm)		50' (15.2 m)
2" (51 mm)		75' (22.9 m)
2^1/2" (64 mm)		60' (18.3 m)
3" (76 mm)		50' (15.2 m)
3^1/2" (89 mm		45' (13.7 m)
4" (102 mm)		40' (12.2 m)

All Product Resources

UL Environmental Claim Validation - Recycled Content - HT Blanket

September 2018PDF (606.55 KB)

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UL Environmental Claim Validation - Formaldehyde Free - HT Blanket

May 2018PDF (607.09 KB)

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GREENGUARD Gold - HT Blanket

May 2018PDF (741.00 KB)

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Safety Data Sheet - HT Blanket

October 2020PDF (566.15 KB)

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GREENGUARD - HT Blanket

May 2018PDF (730.98 KB)

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Data Sheet - HT Blanket

August 2025PDF (1.05 MB)

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Revit File - High Temperature Blanket Insulation

December 2022RVT (1.53 MB)

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