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RTV Silicone Rubber for Concrete Mold Making

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FOB Price: US $5.4 - 6.5 / Kilogram Get Latest Price
Port: Shenzhen
Minimum Order Quantity: 200 Kilogram/Kilograms
Supply Ability: 8000 Kilogram/Kilograms per Day
Payment Terms: L/C,T/T,Western Union
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[ Guangdong, China (Mainland) ]
Business type: Manufacturer
  • Onsite operations checked and legal status confirmed

Quick Details

Place of Origin: Guangdong China (Mainland) Brand Name: MC SILICONE Model Number: RTV-2066 silicone rubber
Color: Liquid White Mixing ratio: 100:2 Mixed viscosity: 25000-26000 cps
Pot life: 20-30 mins Curing time: 2-3 Hours Hardness: 28-30 Shore A
Tear Strength: 27 N/mm Tensile Strength: ≥3.8 Mpa Shrinkage: ≤0.3%
Elongation at break: 420%

Packaging & Delivery

Packaging Detail: Part A base silicone: 20kg/drum, 25kg/drum or 200kg/drum; Part B CA30 Curing Agent: 0.25kg/bottle,1kg/bottle and 10kg/bottle
Delivery Detail: 3-5 days after receiving payment notice

Specifications

1. Good flow ability
2. Medium hardness
3. High tearing&tensile strength
4. Low shrinkage
5. Easy operation&easy de-mould

Introduction of RTV Silicone Rubber for Concrete Mold Making

   

RTV Silicone Rubber for concrete mold making is a kind of two-component material, that is the moldmaking silicone rubber is made up of Part A base silicone and Part B CA30 curing agent. The mixed Part A base silicone and Part B curing agent can cure at room temperature by a condensation reaction,and the become a siliconer rubber mold that can be used for objects reproduction.These  RTV-2 silicone rubber molds can be cast into different material for your target objects.The pouring material can be plaster, polyurethane, PU, GRC, cement, resin, polyester, wax etc...

 

Specifications of MC RTV-2 Silicone Rubber

  

Equiped with REACH certificate 

Professional technician with rich experience 

4% catalyst is offered for free of charge  

Silicone range:10-60 shore A  

High duplicating silicone molds 

 

Applications of RTV Silicone Rubber for Concrete Mold Making 

 

RTV Silicone Rubber for concrete mold making is 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.

  

Technical datasheet of RTV Silicone Rubber for Concrete Mold Making 

Base and Curing Agent Mixture (100:2 by weight) in 25 °C (77F) testing

 

Item No.RTV 2066
Coloroff-white
Curing agentCA30
Mixing ratio100:2
Mixed viscosity25000~26000 cps
Pot life20-30 mins
Curing time 2-3 Hours
Hardness28-30 Shore A
Tear Strength27 N/mm
Tensile Strength≥3.8 Mpa
Relative density 1.09~1.15 g/cm3
Shrinkage0.3%
Elongation at break420%
Methods of moldingBrushing/Pouring

  

Instructions for Making Concrete Silicone Molds

 

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.

 

Shortage of RTV Silicone Rubber for Concrete Mold Making  

 

When the RTV silicone rubber for concrete mold making is stored at or below 30 °C(85 °F) in the original unopened containers, RTV2 Silicone Base and CA30 Curing agent have a usable life of 12 months from the date of production. After 12 months,please use a stirring mill to stir the Part A silicone for some minutes, then the silicone can be use again, no influence for other performance.

 

FOQ of RTV-2 Silicone Rubber for Mold Making

 

Why does the RTV liquid silicone rubber for molding have few mold making times?

 

The silicone rubber mold has few molding times is due to follwoing reasons: adding too much silicone oil which will destroy the molecular of silicone rubber; making the mold for small and fine detailed products with higher hardness silicone rubber which is easy to break; making the mold for large products with soft silicone rubber which will reduce the tensile and tear strength of the mold, and the mold will have deformation. Thus, we should take the proper silicone rubber to make the mold for suitable products.

 

   

The information above is just for reference, if you're interested or have any questions, please feel free to contact Nicole:

Web:www(dot)mcsilicone(dot)com

E-mail:nicole(at)mcsilicone(dot)com

Skype:nicoleszmc

MSN: nicoleszmc (at)hotmail(dot)com

 

Not exactly what you want? Post a quick Buying Request!
Dongguan Mingcheng Group Limited is engaged in the production, R&D and sales of silicone rubber.

Products
RTV2 condensation silicone rubber, RTV2 mold making silicone rubber, room temperature curing silicone, pad printing silicone, manual mold making, crafts mold making, shoe mold making. They can be used for candle, soap, toys crafts, cement, gypsum, concrete, PU resin, poly resin, furniture, decoration, architectural moulding, lighting, stationery, Statues, artificial stone mold making, ... View detail

Basic Information

Product/Service (We Sell): RTV2 silicone,RTV-2,silicone,silicone rubber,molding silicone  
Number of Employees: 51 - 100 People  

Trade & Market

Main Markets: Eastern Europe
South America
Western Europe
Northern Europe
Africa
North America
Mid East
Southeast Asia
Total Annual Sales Volume: US$5 Million - US$10 Million  
Export Percentage: 41% - 50%  

Factory Information

Factory Size (Sq.meters): 5,000-10,000 square meters  
Factory Location: No.3 Chuangye 2road Helu Village,Huangjiang Town,Dongguan City  
Number of Production Lines: 2  
Number of R&D Staff: Less than 5 People  
Number of QC Staff: Less than 5 People  
Contract Manufacturing: Buyer Label Offered  

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