弹性膨胀 meaning in Chinese

elastic dilatation
elastic expansion

This is very novel sealing material made of pure ptfe through a unique process , therefore , it retains all excellent properties of ptfe and has valuable characteristics , such as : very high tensile strength , this product is an ideal sealing material applied at the positions of intermediate and low temperature
弹性膨胀聚四氟乙烯密封带上经过独特加工制造而成的最以新颖的密封材料，是用纯聚四氟乙烯制成，因此它保留了聚四性氟乙烯所具有一切优良性能，同时还具有极好的柔韧性和很高的抗拉强度等可贵特性，是中低温度部位理想的密封材料。