| Customization: | Available |
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| Material: | Organic Silicone |
| Application: | Industrial |
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Mold Making Silicone
INI-640
Description
Two-component silicone, tin-curing, flowable, vulcanizes at room temperature.
Can be used for a long time in the temperature range of - 65 ° C - 200 ° C and keep its soft and elastic properties.
Application
General mold making.
Suitable for reproducing and replicating products in large quantity for industries: Art crafts, sculptures, furniture, architectural elements, garden ornaments, tire, soap, candle and so on. Used for making molds for variety of material, such as resin, PU, gypsum, plaster, concrete, cement, stone, GRC, PVC, polyester, wax, bronze and so on.
Features & Advantages
Low shrinkage
Anti-deformation
Not oily,
No bubbles
Excellent flow leveling which will copy finest details and patterns from exquisite products.
Durable with excellent tear and tensile strength, guarantee molding times
Easily demolding
Resist aging, acid, alkali, corrosion and weather aging
Thixotropic agent/ thickening agent is available for brushing molding method
Typical properties INI-640
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Properties Index |
Test Report |
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Before Curing |
Appearance |
White/ Translucent fluid |
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Viscosity(cps) |
25000±2000 (Adjustable) |
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Operating |
Mixing Ratio (By weight) |
100 :3 |
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Operating Time(25ºC /min) |
30~50 (Adjustable) |
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Curing time (hr, basically cured) |
3~5 (Adjustable) |
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Curing time (hr, perfectly cured) |
12 |
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After Curing |
Hardness (shore A) |
40±2 |
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Tear strength (kN/m) |
26±5 |
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Tensile strength (Mpa) |
4.2±0.5 |
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Shrinkage (%) |
≤0.3 |
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Elongation (%) |
455~520 |
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Density (g/cm) |
1.08 |
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Notes: Above data are only reference values, actual data is floating and adjustable.
Operation instructions
Mix part A and pars B evenly with 100:3 mixing ratio.
Notes: 1) Weigh the two parts exactly by electronic weight. For example, the operation time will be shorten after adding too much catalyst.
2)Mix part A and part B evenly. Otherwise the silicon rubber will be partly solidified which will make the finished molds meet a short life and waste silicon rubber.
2.Vacuum pumping
Notes: 1) This step is not have to have, but it is best if there is one. It will discharge all air in the mixture successfully, so as to ensure that there
will be no bubbles in the finished mold.
2) This step is less than 10 minutes. Otherwise, it Will cause cross-linking reaction, and no more further steps will be available.
3.Pouring casting or Brush molding
Notes:1) For simple pattern products we suggest use pouring operation way, which will be very easy to operate and demould. Pourable silicone require low viscosity which will be easy to flow smoothly and easy to de-air.
2)For delicate pattern products we suggest use brushing operation way, which can copy the pattern exactly. Brushable silicone require high viscosity which won't be easy to flow away and easy to brush.
3)We suggest to set the mold for another 12 hours after demould before put it into large production.
Package details:1kg/5kg/20kg/25kg/200kg
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