Gypsum Line Mold Silicone Rubber 1:1 Good Fluidity Liquid Silicone Low Shrinkage Rate 0.1% For Cement Products
Product Introduction:
Platinum Liquid Silicone Rubber (LSR) is a high-purity, two-part elastomer cured with a platinum catalyst. It is renowned for its exceptional performance and safety profile.
Its key characteristics include:
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Superior Safety & Biocompatibility: Once cured, it is inert, non-toxic, and odorless. It contains no harmful by-products, making it safe for food contact (e.g., baking molds) and medical applications.
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Excellent Durability: It exhibits outstanding thermal stability (withstanding temperatures from -60°C to over 200°C), high tear strength, and superior resistance to UV light and weathering, ensuring a long service life.
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High Performance & Versatility: It offers low shrinkage, excellent flexibility across a wide hardness range, and superior release properties. This makes it ideal for creating highly detailed molds for crafts, resins, and industrial applications.
Process parameters
| Model | Color | Viscosity (mPa.s) | Hardness (Shore A) | Tensile strength (Mpa) | Tear Strength(kN/m) | Elongation(%) | Mixing ratio A:B | Operation time (h) | Curing time (h) |
| E600# | translucent | 800 | 0 ±2 | 2 | 4 ±2 | 450 | 1:1 | 0.5 | 4 |
| E605# | translucent | 2000 | 5 ±2 | 3 | 12±2 | 500 | 1:1 | 0.5 | 4 |
| E610# | translucent | 2500 | 10±2 | 4.8 | 13±2 | 550 | 1:1 | 0.5 | 4 |
| E615# | translucent | 3500 | 15±2 | 5.1 | 16±2 | 470 | 1:1 | 0.5 | 4 |
| E620# | translucent | 5000 | 20±2 | 5.3 | 23±2 | 520 | 1:1 | 0.5 | 4 |
| E625# | translucent | 6000 | 25±2 | 5.5 | 26±2 | 450 | 1:1 | 0.5 | 4 |
| E630# | translucent | 7500 | 30±2 | 6.5 | 18±2 | 410 | 1:1 | 0.5 | 4 |
| E635# | translucent | 8500 | 35±2 | 7 | 18±2 | 380 | 1:1 | 0.5 | 4 |
| E640# | translucent | 11000 | 40±2 | 7.2 | 19±2 | 330 | 1:1 | 0.5 | 4 |
| E645# | translucent | 14000 | 45±2 | 8.2 | 16±2 | 320 | 1:1 | 0.5 | 4 |
| E650# | translucent | 15000 | 50±2 | 7.5 | 13±2 | 240 | 1:1 | 0.5 | 4 |
| E655# | translucent | 18000 | 55±2 | 5.8 | 12±2 | 150 | 1:1 | 0.5 | 4 |
| E660# | translucent | 20000 | 60±2 | 5.8 | 11±2 | 130 | 1:1 | 0.5 | 4 |
Application
0A - 5A: Precision molds for extremely high-detail reproduction, such as artifact replication, human body part casting, and prototyping.
10A: High-difficulty demolding molds requiring excellent stretchability, such as complex sculpture molds, candy and chocolate molds, etc.
15A - 20A: The preferred hardness for general-purpose molds, such as sculpture and figurine molds, resin casting molds, candle molds, and soap molds.
25A - 30A: Molds requiring more support and wear resistance, such as small industrial parts molds, architectural model molds, and reusable molds requiring a longer lifespan.
35A - 60A: Silicone at this hardness is harder, providing strong support, but with reduced flexibility and stretchability. Suitable for making frequently used industrial molds and pressure casting molds, etc.
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