| 脱模剂是介于模具与制品之间的功能性物质 |
| 添加时间：2018/4/4 15:48:20 浏览次数： |
| 脱模剂是介于模具与制品之间的功能性物质,在橡胶、塑料制造工业中, 制造模型产品时, 为了脱模、提高生产效率、延长模具使用寿命, 同时使产品光洁、尺寸合格、减少废品, 而需使用的必不可少的一种助剂。其主要功能是使脱模操作轻而易举，防止强行取出对产品造成的损伤。脱模剂的隔离性取决于其表面性质，其显著特点就是临界表面张力小，很难被液体润湿，正因如此，才能达到脱模的作用。橡胶脱模剂指用于防止橡胶产品与模具表面粘连，并能使之顺利出模而不致撕裂的一类物质。使用时将它喷或涂于模腔表面，以形成一层有效的隔离层。对脱模剂的主要要求是：有一定的热稳定性和化学惰性，不腐蚀模腔表面；在模腔表面下残留分解物；不影响产品色泽，但能赋予良好的外观、无毒；易于配制，使用方便 Demoulding agent is a functional material between the mold and the product. In the rubber and plastic manufacturing industry, in the manufacture of model products, in order to remove the mold, improve the production efficiency, prolong the service life of the mold, and make the product bright and clean, the size of the waste, and the need to use a small amount of auxiliary. Its main function is to make the release operation easy and prevent the damage caused by the forced removal. The isolation of the demoulding agent depends on its surface properties. Its significant characteristic is that the critical surface tension is small and is difficult to be wetted by the liquid. In this way, the release of die can be achieved. Rubber release agent refers to a kind of material that is used to prevent adhesion between rubber products and mould surface and make it die smoothly without tear. When it is used, it is sprayed or coated on the surface of the mold cavity to form an effective isolation layer. The main requirements for the demoulding agent are: a certain thermal stability and chemical inertness, not corroding the surface of the mold cavity; residual decomposition under the surface of the mold cavity; it does not affect the color of the product, but can give good appearance and innocuity; easy to make up and easy to use. |
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