Skip to Content

Material Properties Comparison Chart

Thermal Insulation Products

Thermal Grades Max ºF Max ºC
CS85 1600 871
Fiberfrax Duraboard 2600 2300 1260
Fiberfrax Duraboard HD 2300 1260
Fiberfrax Duraboard LD 2300 1260
Marinite 2200 2200 1204
Marinite A 1350 732
Marinite C 1350 732
Marinite I 1200 650
Marinite P 1800 982
Minerit HD 2300 1260
Mold & Platen (high temp) 550 288
Mold & Platen (low temp) 450 232
NAD-11 932 500
Super Firetemp L 325 163
Super Firetemp M 1800 982
Thermal Cer. 1401 Millboard 2600 1427
Transite HT 600 315
Transite 1000 1000 538
Zircar RS-100 1800 982
Zircar RS-200 2300 1260

Electrical Insulation Products

Thermal Grades Max ºF Max ºC
Arboron 198 92
Cogetherm (continous / peak) 932/1292 500/700
NEMA C (mechanical / electrical) 257/239 125/115
NEMA CE (mechanical / electrical) 257/239 125/115
NEMA FR4 (mechanical / electrical) 284/266 140/130
NEMA G3 (mechanical / electrical) 338/284 170/140
NEMA G5 (mechanical only) 310 154
NEMA G7 (mechanical / electrical) 428/338 220/170
NEMA G9 (mechanical only) 284 140
NEMA G10 (mechanical / electrical) 284/266 140/130
NEMA G11 (mechanical / electrical) 356/338 180/170
NEMA GPO-1 (mechanical / electrical) 266/320 130/160
NEMA GPO-2 (mechanical / electrical) 266/320 130/160
NEMA GPO-3 (mechanical / electrical) 302/320 150/160
NEMA L (mechanical / electrical) 257/239 125/115
NEMA LE (mechanical / electrical) 257/239 125/115
NEMA X 266 130
NEMA XX 284 140
NEMA XXX 284 140
Vulcanized Fibre - Bone Grade (m/e) 230/239 110/115
Vulcanized Fibre - Commercial Grade (m/e) 230/239 110/115