Gold Member Since 2013
Mingcheng Group Limited

Architectural Decorating, Rtv-2 Silicone Rubbers, Moldmaking Silicone manufacturer / supplier in China, offering Plaster Corbel Mold Making RTV Silicone Rubber, Soap Casting Liquid Silicone Rubber/RTV-2 Silicone Rubber for Candle Mold Making, Liquid Silicone Rubber for Plaster Casting Cornice Mold/RTV Mold Making and so on.

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Supplier Homepage Product Gypsum, Plaster Decoration Products Molding Plaster Corbel Mold Making RTV Silicone Rubber

Plaster Corbel Mold Making RTV Silicone Rubber

FOB Price: US $6.2 / kg
Min. Order: 200 kg
Min. Order FOB Price
200 kg US $6.2/ kg
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Production Capacity: 4000kg Per Day
Transport Package: 25kg
Payment Terms: L/C, T/T, Paypal

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Basic Info
  • Model NO.: MCSIL-H25
  • Appearance: Viscous Liquid
  • Hardness: 25-28 Shore a
  • Working Time: 30 Mins
  • Trademark: MC Silicone
  • Origin: Dongguan
  • Material: Silicone Rubber
  • Color: White
  • Mix Ratio: 100:2
  • Curing Time: 4-6 Hrs
  • Specification: MSDS, REACH, SGS
  • HS Code: 3910000000
Product Description
Description of Plaster Corbel Mold Making RTV Silicone Rubber:

RTV-2 silicone rubber is a two component elastomeric cross-linking at room temperature. The polymerization can be accelerated by heat (max. 1500 C). The silicone components are delivered as liquids, which once mixed and cured transform into a translucent, elastic and resistant material. Polymerization occurs without formation of heat.

Features of Plaster Corbel Mold Making RTV Silicone Rubber:

1. Good flow ability and long working time
2. Medium hardness
3. High tear and tensile strength
4. Easy de-mould from complex replica parts
5. Acid and alkali-resistance
6. Low linear shrinkage

Applications of Plaster Corbel Mold Making RTV Silicone Rubber:

RTV-2 Silicone are suited for reproduction of cement molding, concrete stones, artificial stones, plaster molding, figures, art objects, decoration molding, GRC products, gypsum products, resin products, PU molds. etc.


How to make the silicone mold?

1. Preparing
The surface of the original objects should be clean and free of loose material. If your products have thin flower patterns, and especially have porous substrates, please use a suitable mold release agent such as soap water, detergent, Vaseline or petroleum jelly.

2. Mixing
Please weigh Part A silicone base and part B CA30 Curing Agent with ratio of 100: 2 into a clean container. Stir Part A base silicone thoroughly before use, then Mix Part A and Part B evenly until the curing agent completely dispersed in the silicone base. Manual or mechanical mixture can be used, but do not last much time or allow the temperature to exceed 35° C (95° F). It's suitable to mix small quantities to ensure thorough mixture of silicone base and curing agent.

Note: It is strongly recommended that entrapped air be removed in a vacuum chamber, allowing the mixture to completely expand and then collapse. After a further 1 to 2 minutes under vacuum, the mixture should be inspected and can be used if free of air bubbles. A volume increase of 3-5 times will occur on vacuum de-airing the mixture. So a suitably large container should be chosen.

3. Pouring the mixture and curing
Pour the mixed Part A base silicone and CA-30 curing agent as soon as possible onto the original object, avoiding air entrapment. The catalyzed material will cure to a flexible rubber within 6 hours (or faster by different mixing ratio or room temperature), we advice you de-mold after 24 hours, it is will improve the replicate times of silicone mold.

Storage of Plaster Corbel Mold Making RTV Silicone Rubber:

When the silicone rubber is stored at or below 30 centi degree in the original unopened containers, RTV2 Silicone Base and CA30 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.

Package of Plaster Corbel Mold Making RTV Silicone Rubber:
Part A base silicone: 20kg/drum, 25kg/drum or 200kg/drum
Part B CA30 Curing Agent: 800g/bottle, 1kg/bottle

Should you have any question, please feel free to contact Ms Julie.

MINGCHENG GROUP LIMITED
 Item No.: MCSIL-H25
 Color:  White
 Viscosity:  35000 cps
 Hardness:  28 shore A
 Mix Ratio:  100:2
 Pot life:  30-40 minutes
 Curing time:  4-6 hours
 Tensile strength:  4.5 Mpa
 Tear Strength:  32 N/mm
 Elongation:  511%
 Shrinkage:  0.2-0.4%
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Miss Julie Wong
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