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Firwin 2025 Vermiculite is a medium weight, plain weave fiberglass fabric coated with a vermiculite compound that imparts excellent resistance to high temperatures.

Uses

Can be used as a flame or heat barrier material on many applications where high cost silica or ceramic fabrics have been used previously.
Unit of Measure

Specifications

Service Temperature1 N/A 1200ºF Continuous, 1500ºF Intermittent

Thickness

N/A 0.030" nominal

Weight

N/A 17.5 oz/sq.yd ± 10%

Base Fabric

N/A Fiberglass – Plain weave

Color & Coating

N/A Golden Brown Vermiculite

Flame Resistance

N/A
Method FED STD 191/5903.2
Flame out 0 Sec
Afterglow <1sec
Char length < 1/8"

Tear Strength

N/A
Method FED STD 191/5136
Warp 50 lbs. Min ave.
Fill 25 lbs. Min ave.

Tensile Strength

N/A
Method FED STD 191/5102
Warp 400 lb./in ave.
Fill 200 lb./in ave.
  • 1 Material may suffer some degradation of physical properties after extended periods at elevated temperature.

    All statements herein are expressions of opinion that we believe to be accurate and reliable, but are presented without guaranty or responsibility on our part. Statements concerning possible use of our products are not intended as recommendations for their use alone or in combination with any materials or elements to infringe any patents. No patent warranty of any kind, express or implied, is made or intended.

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