The insulative value of an animal 's fur ; insulative packing materials .

动物皮毛的绝缘价值；绝缘填充材料。

Chrysotile asbestos . It 's used for its fire-retardant and insulative abilities .

温石棉，用来延缓火焰，有绝缘功能。

Specifications of insulative magnetic dry monocomponent electre negative developer for electrostatic copying process .

静电复印绝缘型磁性干式单组份负电性显影剂。