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Why does room temperature vulcanized silicone rubber become brittle?
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Room temperature vulcanized silicone rubber product manufacturers sometimes produce products that become brittle and fragile, breaking easily with a pinch, seriously affecting our production efficiency. Even if these products can barely pass QC inspection, their lifespan in the market cannot meet reasonable time requirements. So how do silicone rubber product manufacturers control and prevent this phenomenon during production?
I. Problems in Room Temperature Vulcanization Silicone Rubber Production
1. Temperature and Time
When silicone rubber is molded, excessively high temperatures and prolonged processing times lead to product brittleness, and poor ventilation during secondary vulcanization for too long also contributes to this issue.
2. Room Temperature Vulcanized Silicone Rubber Material Issues
The main reasons why silicone rubber materials cause products to become brittle or hard are the poor quality of the silicone rubber material itself, resulting in substandard tear strength.
It is recommended to use superior room temperature vulcanized silicone rubber materials for processing. For special products, use weather-resistant rubber to meet tear strength requirements.
II. High-Temperature Resistant Material Mold Design and Product Structure
Unreasonable product structure or mold design of high-temperature silicone rubber materials can lead to mold product cracking during production. It is recommended to improve the mold processing or structure, slightly thickening thinner areas and slightly rounding sharp corners, etc.
High-temperature silicone rubber products are known for their ultra-high tear strength and excellent elasticity. Products made from silicone rubber materials are flexible, can withstand multiple demolding cycles, and have a comfortable feel, which is unmatched by products made from other materials. The production of high-temperature silicone rubber products is a complex process. In addition to machine and human factors, the key to finding and solving major product quality problems is intermediate inspection.
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Tel: 89948454 / 83212351
Fax: 0086-755-89948030
Q Q: 2355542596
Email: hyd@szrl.net
Address: building a, No. 3, Hongling 1st Road, Liulian Shibi Industrial Zone, Pingdi Town, Longgang District, Shenzhen
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