RTV2 Moulding Silicone Rubber for Stone Molds

Product Details
Customization: Available
Raw Material: Synthetic Rubber
Material: Silicone Rubber
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  • RTV2 Moulding Silicone Rubber for Stone Molds
  • RTV2 Moulding Silicone Rubber for Stone Molds
  • RTV2 Moulding Silicone Rubber for Stone Molds
  • RTV2 Moulding Silicone Rubber for Stone Molds
  • RTV2 Moulding Silicone Rubber for Stone Molds
  • RTV2 Moulding Silicone Rubber for Stone Molds
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Basic Info.

Model NO.
MCSIL-2066/2088 silicone rubber
Form
Liquid Rubber
Item
Mcsil-2066
Color
White
Mixing Ratio
100:2
Mixed Viscosity
30000cps
Working Time
30~40min; 60~80min;
Curing Time
4~6; 8~10 Hrs
Hardness
28-30 Shore a
Shelf Life
12 Months
Package
1kg,5kg,10kg,20kg,25kg
Transport Package
20kg/Drum, 25kg/Drum or 200kg/Drum
Specification
REACH, MSDS, SGS
Trademark
MC SILICONE
Origin
Dongguan, China
HS Code
39100000
Production Capacity
4000kg/Day

Product Description

Description of RTV2 Moulding Silicone Rubber for Stone Molds

RTV-2 silicone rubber is a two-component material, this kind of silicone rubber consists of Part A base silicone and Part B CA30 curing agent, and Part A base silicone and Part B curing agent can cure at room temperature by a condensation reaction. These materials can be cast into the cured silicone molds: Plaster polyurethane, PU, GRC, cement, resin, polyester, wax etc...

Features of RTV2 Moulding Silicone Rubber for Stone Molds

1. Good flowability 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

RTV2 Moulding Silicone Rubber for Stone Molds
Applications of RTV2 Moulding Silicone Rubber for Stone Molds

MCSIL-2066/2088 silicone rubber is especially suited for reproduction of middle size cement molds, concrete stones, and artificial stones.
etc...
RTV2 Moulding Silicone Rubber for Stone Molds
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 35C (95F). 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.

Packing of RTV Mould Silicone Rubber for Stone Casting

Part A base silicone: 20kg/drum, 25kg/drum or 200kg/drum
Part B CA30 Curing Agent: 0.25kg/bottle, 1kg/bottle and 10kg/bottle

RTV2 Moulding Silicone Rubber for Stone Molds
RTV2 Moulding Silicone Rubber for Stone Molds
Storage of RTV Mould Silicone Rubber for Stone Casting

When the RTV-2 silicone rubber is stored at or below 30 C (85F) in the original unopened containers, Silicone Base and CA30 Curing agent have a usable life of 12 months from the date of production.

 
 

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