Addition Silicone Rubber For Sugar Moulds Making |
Addition Silicone Rubber For Sugar Moulds Making are generally named as two-part addition silicone rubber that vulcanises at room temperature.Part A is a flowable liquid, part B is the curing agent(platinum catalyst). It features an exceptional fluidity ,good operability,excellent physical properties and very low shrinkage. The mixing ratio between Part A and Part B can be 10:1 or 1:1. Product | EME615 | EME620 | EME625 | EME630 | EME642 | Appearance | Translucent | Translucent | Translucent | Translucent | Translucent | Hardness(shore A) | 15±2 | 20±2 | 25±2 | 30±2 | 40±2 | Mix ratio(A:B) | 1:1/10:1 | 1:1/10:1 | 1:1/10:1 | 1:1/10:1 | 1:1/10:1 | Viscocity Part A(mPa.s) | 9000±2000 | 11000±2000 | 12000±2000 | 12500±2000 | 15000±2000 | Viscocity Part B(mPa.s) | 1900±500 | 1900±500 | 1800±500 | 2400±500 | 100±50 | Tensile strength (MPa) | 6.2 | 6.5 | 6.7 | 7.2 | 7.6 | Tear-strength (kN/m) | 25 | 26 | 23 | 24 | 22 | Elongation(%) | 569 | 581 | 480 | 440 | 450 | Density | 1.05 | 1.05 | 1.07 | 1.13 | 1.14 | Pot life/working time (mins) (adjustable) | 30-40 | 30-40 | 30-40 | 30-40 | 30-40 | Curing time/setting time (hrs) (adjustable) | 3-4hrs(25°C) 120-30mins(60°C) | 3-4hrs(25°C) 120-30mins(60°C) | 3-4hrs(25°C) 120-30mins(60°C) | 3-4hrs(25°C) 20-30mins(60°C) | 6-8hrs(25°C) 30-50mins(60°C) | Shrinkage rate (%) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
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Addition Silicone Rubber For Moulds Making Appilications |
Especially suitable for the molding for plaster decoration duplication, for gypsum sculpture reproduction, for duplicating resin product with fine details, for PU resin reproduction, for wax molding, for stone duplication , for epoxy moulds, for pacrylic moulding, for reproducing polyester craft Soap moulding,candles crafts moulding,toys moulding,sculpture moulding
Addition Silicone Rubber For Moulds Making Feactures |
/Good fluidity and good operability and good for pouring method. /Excellent mechanical properties, in particular tear strength and tensile strength. /Excellent flexibility and it is easy to demould. /High temperature resistance, high duplication times and repeated use. /There are a range of catalysts/curing agent/hardener allows the Liquid rtv silicone rubber to fulfill requirements for various applications and various requirements on the operation time and curing time. How to use Addition Silicone Rubber For Moulds Making |
1.The cast pouring, for example: Prepare a frame, fix the prototype for copy into the frame, (if the prototype’s material is glass or ceramic, the release agent is necessary to prevent sticking. 2. Take 1 part A and 1 part B,mix themevenly. 3.Vacuum defoaming in 1~3 min,inject the rubber into the type box, then vacuum defoaming again, curing 24 hours in nature room temperature, use it after demold. 4. Demold after 3 hours’ room temperature curing, and then use it after 24 hours’ keep mold under the same condition.
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