Material Temperature Ratings

ºCentigrade ºFahrenheit Grades
125ºC 257ºF NEMA C / Nema CE Canvas
NEMA L / Nema LE Linen
130ºC 266ºF NEMA GPO-1
NEMA GPO-2 (130ºC Electrical - 160ºC Mechanical)
NEMA GPO-3 (130ºC Electrical - 160ºC Mechanical)
140ºC 284ºF NEMA XX Paper
NEMA G5/G9 Glass
NEMA G10 Glass
180ºC 356ºF NEMA G11 Glass
210ºC 410ºF SG 200
HST-II
218ºC 425ºF Glastherm S
220ºC 428ºF NEMA G7 Glass
232ºC 450ºF Thermalate H320
287ºC 550ºF Heatmeiser H340
Glastherm HT200
Glastherm HT220
Thermalate H330
232ºC/315ºC 450ºF/600ºF Transite HT (Pre/Post Heat Treating)
500ºC 932ºF Nad 11
500ºC/666ºC 932ºF/1232ºF Cogetherm M (Continuous/Intermittent)
538ºC 1000ºF Transite 1000
648ºC 1200ºF Marinite I
Marinite P
700ºC/1000ºC 1292ºF/1832ºF Cogetherm P (Continuous/Intermittent)
815ºC 1500ºF H91
Marinite A
982ºC 1800ºF CS85
1260ºC 2300ºF SG70 / RS100

High Temperature Rated Materials

Featured
Formex
Formex

Available in rolls or sheets that can be printed and will accept adhesives.

NEMA G-7
NEMA G-7

Glass woven cloth impregnated with silicone resin.

Isoplan® 750
Isoplan® 750

Isoplan is composed of special ceramic and mineral fibers.

RS-100
RS-100

A ceramic fiber reinforced structural alumina composite material.

SG-70
SG-70

A non-asbestos structural ceramic refractory reinforced with continuous fibers to increase the toughness, reliability and overall performance of the ceramic composite.

Mica M / Cogetherm M / Pamitherm® M
Mica M / Cogetherm M / Pamitherm® M

Manufactured from a paper comprising flakes of muscovite mica, which is impregnated with resin and agglomerated to form a laminate. Rated up to temperatures of 932 degrees Fahrenheit / 500 degrees Celsius.

CS85
CS85

A high temperature replacement for asbestos transite. It offers high strength and electrical resistance combined with minimal shrinkage for applications up to and exceeding 1800º F and has a density of 85 pcf.

Fiberfrax® Duraboard®
Fiberfrax® Duraboard®

Ceramic fiberboard. Available in different grades from approximately 2300°F to 3000°F.

NAD-11 Cement Board
NAD-11 Cement Board

A glass-mica-quartz cement board, non-asbestos, with comparable properties as the asbestos cement-type, non-combustible boards. The material is rated for up to 932º F and has a density of 109 pcf.

Learn More About
High Temperature Rated Insulation

Featured
The Role of High-Temperature Insulation in the Exploding Data Center Industry
The Role of High-Temperature Insulation in the Exploding Data Center Industry
Advantages of Mica Insulation in Glass Manufacturing
Advantages of Mica Insulation in Glass Manufacturing

Industrial workers need high-quality insulation to do their jobs safely and well. These are the main advantages of mica insulation in glass manufacturing.

How Calcium Silicate Insulates
How Calcium Silicate Insulates

Calcium silicate is a heat-tolerant substance, but how exactly does it protect against high temperatures? This is how calcium silicate insulates.