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Mingcheng Group Limited

Addition Silicone Rubber, Addition Silicone, Rubber for Mold Making manufacturer / supplier in China, offering Hot! Addition Silicone Rubber for Prototype Design and Production Tooling (MCPLA-H40), Liquid Silicone Rubber for Silicon Moulds for Candles, RTV-2 Liquid Silicone for Casting Molds (RTV930) and so on.

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Supplier Homepage Product RTV-2 Mold Making Silicone Rubber Hot! Addition Silicone Rubber for Prototype Design and Production Tooling (MCPLA-H40)

Hot! Addition Silicone Rubber for Prototype Design and Production Tooling (MCPLA-H40)

FOB Price: Get Latest Price
Min. Order: 200 KG
Production Capacity: 4000kg/Day
Transport Package: 20kg/Drum, 25kg/Drum or 200kg/Drum
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: MCPLA-H40 Silicone Rubber
  • Material: Silicone Rubber
  • Form: Liquid Rubber
  • Color: Transparent
  • Mixed Viscosity: 40000-50000 Cps ( Adjustable )
  • Curing Time: 12 Hours
  • Shrinkage: <0.1%
  • Trademark: MC SILICONE
  • Origin: China
  • Raw Material: Silicone Raw Material
  • Appearance: Liquid
  • Item: Mcpla-H40
  • Mixing Ratio: 10:1
  • Working Time: 60 Mins
  • Hardness: 40 Shore a
  • Elongation: 350%
  • Specification: REACH
  • HS Code: 39100000
Product Description
Hot! Addition Silicone Rubber for prototype design and production tooling(MCPLA-H40)
 
Features of Addition Silicone Rubber for prototype design and production tooling

MC Silicone addition cure molding silicone rubber is a two component elastomer cross-linking at room temperature. 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.
Hot! Addition Silicone Rubber for Prototype Design and Production Tooling (MCPLA-H40)
Characteristics of Addition Silicone Rubber for prototype design and production tooling

High Transparency
High tear and tensile strength
Long shelf life with low shrinkage
Fast mixing (10: 1)
Easy processing due to the low viscosity

Applications of Addition Silicone Rubber for prototype design and production tooling

Label manufacturing, Molding applications requiring low shrinkage e. G. Toys, jewelry, automotive, rapid prototyping etc.

Instructions for Addition Silicone Rubber for prototype design and production tooling

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 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.
 Technical parameter of Addition Silicone Rubber for Mold Making
Item MCPLA-H40
ColorTransparent
Curing agentClear
Mixing ratio10:1
Mixed viscosity40000-50000 cps
Working time60 Minutes
Curing time (25 Centigrade / h)12 Hours
Curing by heat (60Centigrade/ h) 2 Hours
Hardness40 Shore A
Tear Strength27 KN/m
 Tensile Strength 6 MPA
Elongation at break350%
 
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