Gold Member Since 2013
Mingcheng Group Limited

RTV Silicone Rubber, Liquid RTV Silicone Rubber, Liquid Silicone Rubber manufacturer / supplier in China, offering Ornaments Mold Making Liquid Silicone Rubber/RTV-2 Silicone, Mould Making Liquid Silicone RTV2 Rubber, High Strength, Low Hardness, Fast Cure Silicone Mold Making Rubber and so on.

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Supplier Homepage Product Gypsum, Plaster Decoration Products Molding Ornaments Mold Making Liquid Silicone Rubber/RTV-2 Silicone

Ornaments Mold Making Liquid Silicone Rubber/RTV-2 Silicone

FOB Price: US $5.8 / USD/KG
Min. Order: 100 kg
Min. Order FOB Price
100 kg US $5.8/ USD/KG
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Production Capacity: 8000kg/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.: MC silicone
  • Appearance: Liquid
  • Item: RTV2015
  • Mixing Ratio: 100:2 / 100:3 / 100:4 / 100:5
  • Working Time: 30-40 Mins
  • Hardness: 13-15 Shore a
  • Elongation: 511%
  • Trademark: MC SILICONE
  • Origin: China
  • Material: Silicone Rubber
  • Form: Liquid Rubber
  • Color: White
  • Mixed Viscosity: 25000-26000 Cps ( Adjustable )
  • Curing Time: 4-6 Hours
  • Tear Strength: 25 N/mm
  • Density(g/cm3,25 Centigrade): 1.10-1.15
  • Specification: REACH, MSDS, SGS
  • HS Code: 39100000
Product Description
Brief Introduction of different hardness RTV silicone rubber

RTV-2 silicone rubber is a two component material, and it consist of Part A base silicone and Part B curing agent. When the two parts mix together and pour or brush on a object, the silicone base and curing agent can cure to be a silicone mold at room temperature; And 24 hours later, the silicone mold can be released from the object, and then the silicone mold can be poured into the following material to copy: Plaster, polyurethane, PU, GRC, cement, resin, polyester, wax etc...

Procedures of different hardness RTV silicone rubber

1. Make sure the surface of the original is clean and free of loose material.
2. Weight 100 Part A base and 2 parts of CA30 Curing Agent in a clean container.
3. Stir Part A base silicone before use thoroughly, as filler separation may occur upon prolonged storage.
4. Mix Part A and Part B evenly until the CA30 completely dispersed in the base.
5. Pour the mixed Part A base silicone and CA-30 curing agent as soon as possible onto the original
6. De-mold after 24 hours, it is will improve the replicate times of silicone mold.

Note: It is strongly recommended that entrapped air be removed in a vacuum chamber, allowing the mix to completely expand and then collapse. After a further 1-2 mins under vacuum, the mix 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.

Extensive Applications of different hardness RTV silicone rubber

RTV-2 silicone rubber can be used in the duplication of cement molds, concrete stones, artificial stones, plaster molding, figures, art objects, decoration molding, GRC products, gypsum products, resin products, PU molds. etc.
 Technical parameter of RTV silicone rubber for concrete mold making
Item No.  RTV2028
Color    white
Curing agent   CA30
Mixing ratio    100:2
Mixed viscosity  28000-30000 cps
Working time     30-40 Minutes
Curing time  4-6  Hours
Hardness  28 Shore A
Tear Strength    30 N/mm
Tensile Strength   4.5 MPA
Shrinkage       ≤0.3%

Need more information , please feel free to contact us .
Contact : Sophie
Tel : 0086-769-82693920 
ADD : No.2, Zhouliao Road, Langzhou Industrial Zone, Changping, Dongguan, Guangdong, China
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