假行僧 发表于 2021-8-19 10:46 ! h- A1 ~: V F少加炭黑,多用填料;加点硼酸锌有改善;
使用道具 举报
本版积分规则 发表回复 回帖后跳转到最后一页
|手机版|橡胶技术网. ( 沪ICP备14028905号 )
GMT+8, 2025-2-25 19:35 , Processed in 0.016277 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.