The properties compariam between cure accelerator HSD and DPTT to chlorosulfonated polyethylene rubber was made.

对硫化促进剂HSD和DPTT在 氯磺化聚乙烯橡胶中作性能对比,证实HSD有 比较好的耐焦烧性能而不影响硫化.

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Developed is a HSD 89 perforator integrating high shot density and deep penetration together.

研制了集高穿深和高孔密于一体的HSD89型射孔器.

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