指出控制聚酯多元醇的含水量和酸值是制备聚氨酯铸模材料的关键。
It was pointed out that controlling the trace water and acid value in the polyester polyols was the key procedure to prepare the polyurethane materials suitable for making cast mould.
综述了国外常用和新型压铸模材料最新状况，并对我国压铸模材料的研究提出了一些新建议。
This paper summarizes foreign conventional and new materials for die casting mould, and put forward some ideas for development of them to our country.
未来的客户发现它能够制造成铸模绝缘材料、阀门零件、细长的物品、台球、球形柄、纽扣、刀柄以及各种各样的物件。
Would-be customers discovered it could be fashioned into molded insulation, valve parts, pipe stems, billiard balls, knobs, buttons, knife handles and all manners of items.
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