Pearlescent pigment luster almost apply to all thermoset and thermoplastics .

添彩珠光颜料几乎适用于所有热固性和热塑性塑料。

Plastics are classified into two types - thermoplastics and thermosets .

塑料分成两类：热塑塑料和热固塑料。

Thermoplastics piping and ducting systems .

热塑性塑料管道和管道系统.

Thermoplastics pipes -- determination of ring stiffness .

热塑管环形硬挺度测定。

Thermoplastics fittings -- determination of ring stiffness .

热塑配件环硬挺度的测定。