• Gypsum Craft Mold Making Silicone Rubber/Concrete Moulding/Grc Molding Silicone
  • Gypsum Craft Mold Making Silicone Rubber/Concrete Moulding/Grc Molding Silicone
  • Gypsum Craft Mold Making Silicone Rubber/Concrete Moulding/Grc Molding Silicone

Gypsum Craft Mold Making Silicone Rubber/Concrete Moulding/Grc Molding Silicone

Raw Material: Silicone Rubber Raw Material
Material: Silicone Rubber
Appearance: Liquid
Form: Liquid Rubber
Item: Mcsil-2030
Color: off-White
Customization:

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Basic Info.

Model NO.
MCSIL-2030 silicone rubber
Mixing Ratio
100:2
Mixed Viscosity
24000-25000 Cps
Working Time
30-40 Mins
Curing Time
4-6 Hours
Hardness
28-30 Shore a
Tear Strength
30n/Mm
Tensile Strength
3.8 Mpa
Elongation at Break
480%
Transport Package
20kg/Drum, 25kg/Drum or 200kg/Drum
Specification
REACH, MSDS
Trademark
MC SILICONE
Origin
Dongguan, China
HS Code
39100000
Production Capacity
4000kg/Day

Product Description

Gypsum Craft Mold Making Silicone Rubber/Concrete Moulding/GRC molding silicone

Description of Gypsum Craft Mold Making Silicone Rubber/Concrete moulding

Gypsum Craft Mold Making 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...

Gypsum Craft Mold Making Silicone Rubber/Concrete Moulding/Grc Molding Silicone

Features of Gypsum Craft Mold Making Silicone Rubber/Concrete moulding

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

Applications of Gypsum Craft Mold Making Silicone Rubber/Concrete moulding

MCSIL-2030 silicone rubber is suitablr for gypsum and GRC mold making.

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 Gypsum Craft Mold Making Silicone Rubber

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

Storage of Gypsum Craft Mold Making Silicone Rubber

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.

Note of Gypsum Mold Making Silicone Rubber

RTV silicone rubber is an industrial product and must not be used in food molding, dental human skin molding applications.

Need more information, please feel free to contact us.



 
Item No. MCSIL-2030
Color white
Curing agent CA30
Mixing ratio 100:2
Mixed viscosity 24000-25000 cps
Pot life 30-40 Minutes
Curing time  4-6  Hours
Hardness 28-30 Shore A
Tear Strength 30 N/mm
Tensile Strength 3.8 MPA
Relative density  1.15 g/cm³
Shrinkage ≤0.3%
Elongation at break 480%

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