Under HDT testing, when reaching it HDT temperature, the plating layer of part made by ABS, or 70%ABS /30%PC showed thermal expansion, whereas, the plating of sandwich structure showed no affect.

• 当电镀层受HDT破坏时，三明治结构试片电镀层没有产生膨胀变形的现象；纯ABS试片电镀层有产生热胀变形扭曲的现象；70%25ABS /30%25PC试片电镀层产生热胀变形的范围不大。