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Mold Making Silicone Rubber for Plaster Casting (CSN-8525C)

Mold Making Silicone Rubber for Plaster Casting (CSN-8525C)
Price: Negotiable/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 200/Piece
Pay Type: L/C,T/T,D/P,Western Union
1. High toughness
2. High intensity
3. Outstanding alkaline resistance
4. Specially designed for the reproduction of cement and plaster products
5. Belongs to condensation cure type

INTRODUCTION:
We are a leading Chinese manufacturer of RTV(room temperature vulcanized) liquid silicone rubber for mold making, which is widely applicable to multiple fields and purposes, including candle casting, resin casting, polyurethane casting, gypsum product reproduction, lifecasting, food casting, metal casting, concrete casting, etc.
Our RTV silicone rubber for mold making, is normally of milk white color and in a viscous liquid state. It is composed of 2 parts (A: Silicone rubber, B: Curing agent). When the 2 parts are mixed in a proper ratio and applied to the model in room temperature, the liquid rubber would cure into solid state within a "curing time", which is adjustable depending on the user's requirements.
Our silicone rubber falls into 2 categories, namely addition cure (platinum-cured) and condensation cure (tin- cured). For each category, we have different items of different hardness, viscosity and curing time to cater to different users' requirements. Users can use it for different operations like pouring molds and brushing molds etc.
Advantages:
1. Good fluidity. Ensures convenience of operation.
2. High tear resistance strength, which promises many times of reproduction without damage to the mold.
3. Low shrinkage, which enables you to precisely cast your products without deformation.
4. Non-toxic, with FDA certificates.
Hardness(shore A):
When it comes to choosing proper hardness and viscosity, usually lower hardness and viscosity is recommended for casting of small-sized products with intricate features, and higher hardness and viscosity is recommended for casting of simple or big-sized products. Our product's hardness ranges from shore 10A to 50A to meet customers' different requirements.

USE GUIDELINES:
1. Stir the liquid silicone (Part A and part B) well before use (except when depending on machine ).
2. Weigh the desired amount of part A into a clean mixing container, and then weigh the proper amount of part B into the container. Mix the two components together by stirring with a stick. Scrape the container walls and bottom well to insure a thorough mix.
3. Though it is often unnecessary to deaerate the material due to its low viscosity and our special formulation, it is better to do so to obtain a bubble free rubber. Place the container into a vacuum chamber and evacuate the entrapped air from the mixture using a vacuum pump capable of achieving 29 inches of mercury vacuum. The mixture will rise, crest and then collapse in the container. Interruption (bumping) of the vacuum may be necessary to prevent overflowing the container. Keep the mixture under full vacuum for 2-3 minutes.
4. Pour the deaired material slowly in a steady stream from one end of the mould so that the material flows evenly over the pattern. This should minimize entrapment of air bubbles under the flowing material. A "ready" mold may be poured firstly over the pattern, which will also help reduce the possibility of entrapping air on the pattern and in the cured rubber. A mold release agent may be applied on the pattern first to improve release.
5. Allow the rubber to cure for 2-4 hours at 24C before removing the cured rubber mold from the pattern. Heat acceleration is recommended if necessary.
Prod Model: CSN-8525C
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Viscosity (Cps, 25 Centi-Degrees): 40000± 5000
Hardener Dosage(%) Or Weight Ratio(a: B): 2± 0.5%
Pot Life(Min): 10-60
Demolding Time(H): 2-5
Hardness(Shore A): 25
Tensile Strength(Mpa): 4.4
Tear Strength(Kn/M): 24
Elongation(%): >450
Shrinkage(%): <0.3
Material: Silicone Rubber
Appearance: Liquid Milk-White
Guangzhou Conson Silicone Materials Co., Ltd. is a science and technology leading corporation, dedicated to research, develop, manufacture and sale silicone materials. We have complete research facilities and a high level R&D team, including over 10 engineers and two doctoral senior researchers. We also cooperate with many universities and scientific research institutes in researching and developing silicone materials. Furthermore, our sale and service team are professional, experienced and honest, We will do our best to provide high quality products, high grade services and competitive price for our customers.

Our products including 10 series in hundreds of kinds of silicone products like molding silicone rubber, silicone rubber for pad printing, encapsulant and potting silicone materials, silicone materials for LED manufacturing, thermal conductive silicone, silicone sealant, liquid silicone rubber for injection molding, liquid silicone rubber for textile label, et al. The application field of our products cover construction, decoration, crafts, costume, LED manufacturing, electronics, and so on. All products pass RoHS, SGS and FDA authentication and are currently been exported to Southeast Asia, Europe, the America and other 20 countries and regions.

We firmly believe that science and technology create the future and insist on the management concept of human oriented harmonious development. We regard the quality as our life and stick to manufacturing high quality silicone materials, and will continuously provide service with our advanced technologies and high grade products and perfect solutions as customed. We adhere to the tenet of faith, share and win-win, and look forward to join hands with you and strive for mutual prosperity.

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  • Guangzhou Conson Silicone Materials Co., Ltd.

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