When a material is molded, it will shrink due to cooling, resulting in a product size smaller than the mold size. The molding shrinkage rate is expressed as a percentage to indicate the degree of shrinkage. Generally, crystalline resins shrink more than amorphous resins. The molding shrinkage rate can be moderately adjusted by adjusting molding conditions such as injection temperature and pressure.

TPE wire is composed of one or more flexible conductors, covered with a soft and light sheath; cable is composed of one or more insulated conductors, covered with a tough outer layer of metal or rubber. Cables and wires generally consist of three parts: core, insulation, and protective outer sheath. TPE wire

With the rapid development of China's domestic economy, more and more international TPE manufacturers have started to set up factories in China to produce TPE, and the rapid development of the automotive industry has further driven the TPE market. In recent years, the environmental protection appeal of TPE has been increasing, and in many fields, TPE is gradually replacing PV in energy conservation and environmental protection.

Hot runner molds are molds that use external heating devices to keep the melt in the runner from solidifying. Compared to traditional molds, they have advantages such as shorter molding cycles, material savings, and improved surface quality and mechanical properties of products, and are thus rapidly developing in the plastic processing industry. Hot runner molds have been successfully used to process various plastics.

On the afternoon of March 25, 2021, the 9th Second Member Representative Conference and the 9th Second Council Enlarged Meeting of Shenzhen Polymer Industry Association were held in the Grand Ballroom on the 5th floor of Shenzhen Metro Crowne Plaza Hotel. After experiencing the once-in-a-century COVID-19 pandemic, the meeting originally scheduled for January 19 was finally held in beautiful Shenzhen.

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This is an article from Baidu Baike. I have encountered similar situations before. The customer uses TPR and requires the surface of the TPR product to be glossy, but not too shiny. Roughly, it means there should be an obvious luster, but it should not be obvious that some additives have been added. So, TPR products injection molding

Conventional TPE and TPR do not have functional viscosity, but need to be adjusted through the compounding system to obtain the required adhesion. With the continuous deepening and expansion of the application of thermoplastic elastomers TPE and TPR, the adhesive properties of TPE and TPR (including self-adhesion and co-adhesion) can be gradually applied to different industries.

TPE material has good fluidity, mainly used for injection molding. TPE semi-finished toy products can be used for painting (spray painting, inkjet), screen printing and other post-processing. Our company produces and sells TPE soft rubber material, which can be used for injection molding to produce soft toys, simulated animal toys, plant toys, fruit toys, etc. Provide

For TPE based on harder SEBS, and for TPR based on SBS, during processing and injection molding, the accuracy of temperature settings is key to affecting product appearance and performance. The following are some suggestions for temperature settings during TPE injection molding.