橡膠膠料的物理機(jī)械性能試驗(yàn)按以下方法進(jìn)行:
(1)膠料物理機(jī)械性能試驗(yàn)試樣制備按GB527-65規(guī)定;
(2)扯斷力、扯斷抻長率、扯斷永久變形按GB528-65規(guī)定;
(3)硬度(邵爾A型)按GB531-65規(guī)定;
(4)老化系數(shù)按HGB4019-60(按抗張積)規(guī)定;
(5)脆性溫度按HGB4034-60規(guī)定;
(6)耐油重量變化率按HGB4041-60規(guī)定;
(7)耐酸堿系數(shù)按HGB4042-60(按抗張積)規(guī)定。