1948年，该公司开始生产红木和红木毛条皮革和胶表，明年转移到皮革上衣与所有真正的洪都拉斯桃花心木为主。
In 1948, the company started producing mahogany and gum tables with leather and mahogany tops, shifting the next year to leather tops exclusively with all genuine Honduras mahogany.
通过实验发现催化剂、脱水剂、增塑剂以及游离的异氰酸酯含量对密封胶的表干时间有很大的影响。
Through the experiment, it is found that the tack free time is affected greatly by the content of catalyst, dehydrating agent, plasticizer and the free NCO.
探讨了烷氧基硅烷封端率及端羟基聚丁二烯的含量对单组分密封胶的力学性能、硬度及表干时间的影响。
The effects of different silane end-capped ratios and HTPB content on mechanical properties, hardness and surface dry time of the sealant were discussed.
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