Type I: Made of engineering plastic, corrosion-proof and water-proof, it is used as leading device in safety-increased shell.

型：采用工程塑料压制而成，具有较强的防腐和防水性能，适用于增安型外壳中作引入装置用。

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The shell is made from heat resistant and heat conductive PBT engineering plastic. The product is applicable to the externally installed plastic sealed motors and household electric appliance.

外壳采用耐高温，热传导快的高强度PBT工程塑料制造，适用于塑封电机外置式安装及家用电器的安全保护。

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