A.拉力(N/50mm)≥350 B.最大拉力時(shí)伸長(zhǎng)率(%)≥30 C.耐熱性:70℃,2h無(wú)位移、流淌、滴落 D.不透水性:0.3Mpa,30min不透水
A.溫度(20±2)℃,相對(duì)濕度不小于90% B.溫度(23±2)℃,相對(duì)濕度不小于50% C.溫度(20±2)℃,相對(duì)濕度不小于50% D.溫度(23±2)℃,相對(duì)濕度不小于90%