1.Introduction

This product is an obturated elastic material with good characteristics such as softness,folding resistance,heat proof,cold resistant,water proof,fire resistance,shock-proof,low factor of heat conduction and sound insulation.It is widely used in central air condition, ships, petroleum, metallurgy, chemical engineering, building...etc. It has merit of construction convenience, external appearance clean and neat beautiful,no contamination, therefore it is a kind of new generation heat preservation to economize on energy and environmental protection material in new century.

2. Technique index