Manual mold silicone rubber for mold design or product duplication

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To handle this situation depends on different cases. Under the condition of an available vacuum pumping machine, mix the silicon rubber and curing agent evenly and then take it to vacuum chamber to deair. If without a vacuum pumping machine, reduce the amount of the curing agent properly. For example, change the mixing ratio of the silicon rubber and the curing agent from former 4% to 1%-2%. In this way, the pre-crosslinking time of silicon rubber will slow down, so the air in the mold will be eliminated gradually to reduce the air bubbles.

What should we do when the air bubbles appeared in the process of mold making?

 5) Frequently asked questions for Silicon rubber for manual mold

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Note2: The manual mold silicon is applied to small products or products with fine patterns. The mold for the fine detailed and small products should be made of soft silicon to protect the products from easy breaking when demoulding.  If large product duplication or fabrication, the mold should be made of higher hardness silicone rubber so that the products made will not deform.

Note1: Our company does not recommend you to add silicone oil. If a special soft silicon mold or fine detailed and complex patterns product is required, 5%-10% silicone oil can be added to soften the mold for easier demould.

First and foremost, you should process and prepare model or product which is duplicated, and then you should combine certain amount of the silicon rubber with 2-3% solid curing agent. Mixing them evenly and prepare for using. Manual Mold Silicon Rubber can be solidified and formed in 2-3 hours.
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4) Operation Instruction for Manual Mold Silicone rubber:

Manual Mold Silicon Rubber has the features of resistance to deformation, good tensile strength and low shrinkage. And times of reproduction are up to customers need.

3) Manual Mold Silicon Rubber features:

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Manual Mold Silicon Rubber for is mainly applicable to manual mold design, PVC plastic molds, cement product molds, electronic toy cars, melting point alloy molds, alloy toy craftworks, plastic toy craftworks, gifts and stationery, large statues, duplication of cultural relics, shoe mold fabrication, pad printing positioning, shock resistance for electronic equipments, etc.

2) Applications for manual molding silicon rubber:

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manual molding silicon rubber is flowing liquid with consistent quality in whatever color. It consists of two components, wherein component A is silicone rubber, and component B is curing agent or vulcanizing agent. Firstly process and prepare the model mold or the product to be duplicated, take certain amount of the silicone rubber, add 2-3% curing agent, and mix evenly for use. One mold pair can be solidified and formed in 2-3 hours. The formed mold can be used repeatedly without deformation and water shrinkage and with high temperature resistance, thereby providing fast duplication of the product with product shrinkage 2. Manual mold silicon is mainly applicable to manual molds and small number of product duplication.

1) Description for manual molding silicon rubber:

Manual Mold Silicon advantages:
1.Resistance to deformation
2.good tensile strength
3.Low shrinkage
4.Easy to operation