Browse Publications Technical Papers 2002-01-1318
2002-03-04

Intumescent Thermoplastic Elastomer Fire Shield Material 2002-01-1318

The intumescent material described in this paper expands under high heat or fire conditions to form an insulating sponge. Its composition is based on a blend of high-density polyethylene and chlorinated polyethylene. The material is processed using normal plastic techniques. Tensile properties, heat aging, fluid aging, and thermal properties have been evaluated and are presented. Fire testing using a 1000 °C Bunsen burner as a source, showed that the material does not drip or burn through, even after 30 minutes of exposure. Prototype fire shields made of the intumescent material have been tested on fuel tanks, bulkheads, and wheel well covers. In all cases the intumescent material provided excellent protection. Similar applications are identified for airplanes, motorcycles, industrial and residential buildings. The material is recyclable and can be made from recycled polymers.

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