The network structure of rubbers is a predominant factor affecting rubber performance and the network structure is characterized mainly by the crosslink density and the crosslink bond type.

交联结构是影响橡胶类材料性能的一个重要因素，考察交联结构的重点是检测和表征交联键类型和交联密度。

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E. The use of a case or Bumper that is made out of rubber or plastic may improve wireless performance by keeping your hand from directly covering these areas.

使用官方的Bumper或其他橡胶或塑料保护套可能提高无线性能，因为保护套避免用户直接覆盖这些区域。

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Valve flap can all be made of metal can also be embedded in the metal on leather, rubber, or synthetic coverage, depending on the use of performance requirements.

阀瓣可以全部用金属制成，也可以在金属上镶嵌皮革、橡胶、或者采用合成覆盖面，这取决于使用性能的要求。

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Optim insulation is a hybrid material that combines the biostability and flexibility of high-performance silicone rubber with the strength, tear resistance and abrasion resistance of polyurethane, to provide increased durability and flexibility.

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Who will get the right balance and make use of the narrow performance window of the Pirelli rubber?

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