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plastics bottle 底部数字 has what 含义?
Date: 2020-05-17 10:06
Views: 2127
Source: Internet
plastics bottle 看底部三角形 inner 数字:
1号PET: heat resistant 至65℃, resistant cold 至-20℃.
2号HDPE: 建议不 need ring use.
3号pvc: most good need 购买.
4号LDPE: heat resistant property strong/high.
5号PP: micro 波炉餐 box/case, box/case, high temperature resistance 120℃.
6号PS: also heat resistant also resistant 寒, can micro in.
7号PC other type: water 壶, water 杯, bottle.
