| Raw Material: | Silicone Rubber Raw Material |
|---|---|
| Material: | Silicone Rubber |
| Appearance: | Liquid |
| Form: | Liquid Rubber |
| Product Name: | Liquid Silicone Rubber |
| Part a Color: | White |
| Samples: |
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| Customization: |
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DESCRIPATION
Silicone liquid rubber is called Tin cure silicone rubber which is also called condensation-cure silicone mold rubber, these are high-tear silicone mold rubbers that are known as the "work horse" of the industry because of their performance and economy. Tin cured silicone molds are used for casting wax, cement, gypsum, polymer modified gypsum, resins, etc
PRODUCT FEATURES
1. Good flow ability and long working time
2. No oily
3. High elongation
4. Easy de-mould from complex replica parts
5. Acid and alkali-resistance
6. Low linear shrinkage
Technical Data
| Item No. | MCSIL-2020 |
| Color | White |
| Curing Agent | CA30 |
| Mixing ratio | 100:2 |
| Mixed Viscosity | 22000cps |
| Working time | 30-40mins |
| Curing time | 4-6 hours |
| Hardness | 20 shore A |
| Tear Strength | 30N/mm |
| Tensile Strength | 4Mpa |
| Shrinkage | ≤0.3% |
| Elongation | 550% |
APPLICATIONS
Cultural relic duplication, architectural decoration, statues
Resin crafts
Lighting ornaments, candles
Plaster, Gypsum, GRC, Cement, Concrete decorations
Model design, product exploitation, etc.
Procedures of mold making by RTV-2 Silicone Rubber
1. Clean and prepare specimen (apply consolidant, sealant, or release agent if necessary).
2. Build retaining wall around specimen.
3. Stir silicone base to loosen any settled material.
4. Decant desired amount of silicone into mixing container.
5. Mix in appropriate amount of catalyst.
6. Apply to specimen.
7. If reinforced mold is desired, gently press in gauze after pouring fist layer.
8. When cured, gently remove mold from specimen.
9. If needed, create rigid backing or jacket over mold with plastic,
urethane foam, or plaster.
10. Remove backing material and mold. Store mold inside rigid backing.
Package
Part A base silicone: 5kg, 20kg/drum, 25kg/drum or 200kg/drum
Part B CA30 Curing Agent: 250g, 800g/bottle, 1kg/bottle
Storage
When the silicone rubber is stored at or below 30 centi degree in the original unopened containers, Silicone Base and Curing agent have a usable life of 10 months from the date of production. After 10 months stockpiles use the Stir to mix the Part A silicone for some minutes, then the silicone can be use again, no influence for other performance.
Benefits of MC Silicone
Ease of processing
High resin resistance increasing the number of cast parts
Low linear shrinkage for greater accuracy
Easy release of shapes, including large pieces and complex geometries
High compatibility with water-rich casting materials such as gypsum
Increased compatibility with high performance concrete
Dimensional stability due to very low shrinkage
High mechanical properties over a range of flexibility
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