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Help CenterMould Making Rtv Silicone Rubber for Concrete Casting
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Description of mould making rtv silicone rubber for concrete casting
Condensation cure, tin cure liquid silicone, RTV 2 mold making silicones are generally named as two-part silicone rubbers which vulcanise, or cure, at room temperature. Part A is a dynamic liquid silicone/Part B is the curing agent (tin catalyst).
Main applications of mould making rtv silicone rubber for concrete casting :
Construction of moulds for gypsum, soap, candles, concrete, resin products, artificial (very lightweight) stone, wax or custom moulds;
Decorative building moulds (cornice, column, balustrade, ceilling roses, pedestals, fountains, mantels, wall ornament, planter etc;
Resin crafts, epoxy resin crafts, poly resin crafts, polyester resin
Physical properties of mould making rtv silicone rubber for concrete casting :
|
P Item NO. |
Characteristics before curing |
Curing |
||||
|
Part A |
Part B |
Part A+ Part B |
Pot life at 250C mins |
De-molding Time at 250C hours |
||
|
Appearance |
Appearance |
Ratio |
Viscosity |
|||
|
RTV2030 |
white |
Liquid clear |
100:2 |
26000 cps |
30 |
4-6 |
|
Characteristics after curing 24 hours |
||||||
|
Hardness Shore A |
Tear strength (N/mm) |
Tensile Strength(Mpa) |
Elongation break (%) |
Linear Shrinkage |
||
|
28-30 |
30 |
3.8 |
480 |
≤0.3% |
Advantages of our mould making rtv silicone rubber for concrete casting :
exceptional fluidity and good operability, easy to demold.
Cures at room temperature within 3-4 hours (assuming constant temp of 25 degrees C).
Good tensile and tear strength, low shrinkage (<0.3%)
High duplication levels or longevity
Good resistance to weather, temperature, aging, acid.
Long shelf life (12 months at least) if kept at constant temperatures.
Storage of RTV 2 mould making silicone
RTV 2 silicone for casting stone molds is an environmentally-friendly liquid silicone product, is not easy to burn and can be stored and transported as non-hazardous goods. The shelf life of the product is about 9 months from the date of production. Inspection is required when exceeding the time limited. It can continue to be used in case of neither thickening nor deterioration.
Package of RTV-2 molding silicone rubber
Part A base silicone: 20kg/drum, 25kg/drum or 200kg/drum
Part B CA30 Curing Agent: 800g/bottle, 1kg/bottle and 10kg/bottle
Professional factory of RTV-2 Molding Silicone :
We are manufacturer, and specialized in manufacturing different hardness, different viscosity silicone rubber series, we are competitive in price with good quality.
Should you have any question, please feel free to contact Ms Julie.
Skype: julieszmc
MSN: julieszmc(at)hotmail(dot)com
MINGCHENG GROUP LIMITED
Send Inquiry to This Supplier
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