MINGCHENG GROUP LIMITED
Customer First, Dedication, Innovation. MC Silicone Professional Mould Making & Casting Materials Supplier
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5 shore A soft platinum cure silicone RTV2 liquid silicone rubber for casting shoe insole
Product description
Two-component addition type silicone rubber Silicone Rubber is a two-part, platinum-catalyzed, liquid silicone system that cures (RTV) to a Shore A05 rubber. The polymerization can be accelerated by heat. The silicone components are delivered as liquids, which once mixed and cured transform into a transparent, elastic and resistant material. Polymerization occurs without formation of heat.
Features
High Transparency
High tear and tensile strength
Long shelf life with low shrinkage
Fast mixing (1:1)
Easy processing due to the low viscosity
Skin safe soft and flexible
Applications
Molding applications requiring low shrinkage. Food grade molds for cake, chocolate, candy, fondant, and other resin crafts, plaster, cement art decorations, shoe insole,ear plug,prosthesis and duplicating human skinetc.
Technical Properties
| Item No. | MCPLA-L05A/B | |
| Appearance | Viscous liquid | |
| Color | Translucent | |
| Viscosity ( cps,approx.) | 7000-9000 | |
| Mix ratio (A:B) | 1:1 | |
| Working time(at 25℃ ,minutes) | 30-40 | |
| Curing time(at 25℃,hrs,approx.) | 6 | |
| Hardness Shore A(after 24 h) | 20 | |
| Tensile Strength(Mpa,after 24 h) | 3.8 | |
| Elongation(%) | 500 | |
| Tear Strength(N/mm) | 16 | |
| Linear Shrinkage (%) | 0.1 | |
Processing and Instructions of Addition Cure Silicones
Apply a release agent, Although not usually necessary, a release agent will make demolding easier when casting into most surfaces.
Storage and shelf life
MC Silicone MCPLA -H Series should be used within 12 months from the manufacturing date. Beyond this date, MC silicone no longer guarantees the products confirms with the sales Specification. In order to preserve best properties it is recommended to follow strictly the following guild lines:
Store the original packing tightly sealed and at a temperature below 30 degree Celsius.
Use the product as soon as the packaging has been opened.