[Offer to Sell] mould making silicone rubber HY-638 |
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| Name:HY-638 Mould Silicone Rubber Number: HY-638 Usage: For toy gifts and craftwork gift, products with complex fine details, and made in pouring way. Description: HY-638# silicon rubber is mainly used for toy gifts and craftwork gifts with the advantages of good tensile strength, high tear strength, high temperature resistance, high duplication times and repeated use, etc. It is suitable for small products or fine and precision products which is difficult to demould. This silicone rubber is one of the products with the highest use level in the production of craftwork gifts and the shrinkage?is up to 2‰. Applications: Poly technique, lightings, candles, and?molds in multiple pieces?for large products. General Description: RTV-2 molding?silicon rubber and silicone rubber are general?called two-component room temperature vulcanization silicone rubber with excellent fluidity and good operational performance. Add curing agent of 2%-3% at the room temperature, the silicone rubber is still operational within 30 minutes,and in 2-3 hours, an elastic silicon mold will be?obtained with resistance to deformation, high-temperature, acid and alkali and expansion. The silicone rubber is mainly applicable to mold duplication of poly crafts, resin craftworks, lightings, candles, etc. and fabrication of precision molds. Operation Instruction for RTV-2 Molding Silicone Rubber: The product is white or red flowing liquid with general hardness of 22—50A°after curing . If the customer wants to make large products and large size molds, the mold should be made of silicone rubber with high hardness. On the?contrary,?if the mold with fine and precision?patterns , it should be made of silicon with low hardness. The amount of the curing agent depends on the actual requirements of the customer.?If molds requiring fast drying and demould, more curing agent is needed; contrarily,?if molds requiring slower drying and demould, less curing agent is needed. (Note: our company does not recommend you to add silicone oil. If a special soft silicon mold or fine detailed and complex patterns products are required, 5%-10% silicone oil can be added to soften the mold for easy demould.) The proportions and reactions of the curing agent and the silicon are listed as follows: 1. Adding curing agent 1%, the silicone can still be operated within 2.5 hours and can be demoulded after 6-8 hours. 2. Adding curing agent 2%, the silicone can still be operated within 50 minutes to 1 hour and can be demoulded after 2-3 hours. 3. Adding?curing agent 3%, the silicone can still be operated?within 28 - 30 minutes and can be demoulded after 1.5-2 hours. 4. Adding curing agent 4%, the silicone can still?be operated?within 10 - 15 minutes and can be demoulded after 1 -1.5 hours. More question, please feel free to contact Ms.hebbe: Email: hongyehebbe(at)hotmail(dot)com Mobile: 86-18938861889 Tel: 86-755-89212365 Fax:86-755-89948030 Website: www(dot)szrl(dot)net |
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