With the increase of vacuum rate and permeability, the thermal degraded products of EPS remove from the mold cavity more quickly and stay in high temperature area shorter, so gas evolution decreases.
随着负压度和涂层透气性的增加,EPS热解产物能够更快地排出型腔,在高温区停留的时间减少,EPS发气量降低。
Remove mold from bathroom tile grout using a solution made with one part three-percent hydrogen peroxide and two parts water.Spray the solution on the mold, wait an hour, and rinse.
将1份3%的双氧水和2份水混合制成溶液,用来清除浴室瓷砖上的霉菌。将溶液喷洒在霉菌部位,等一个小时后清洗。
it must be possible to remove the casting from the mold so a permanent mold must be made in two or more sections.
必须使铸件能够从型中取出,这就要求金属模必须分为两个或两个以上的部分。
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