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【 Plastic cup's knowledge 】
by：Lisson
2020-11-10
Q 】
Plastic bottles look inside at the bottom of the triangle number: 1 PET: heat resistant to 65 ℃, cold tolerance to -
20℃。
HDPE # 2: it is recommended that not to recycle.
PVC
3: it is best not to buy. LDPE 4: heat resistance is not strong. 5 PP: microwave oven boxes, crisper, resistance to high temperature of 120 ℃. 6 PS: heat resistance and cold resistance, but not in the micro wave
furnace. 7 PCS other classes: kettle, water bottle, bottle.
3: it is best not to buy. LDPE 4: heat resistance is not strong. 5 PP: microwave oven boxes, crisper, resistance to high temperature of 120 ℃. 6 PS: heat resistance and cold resistance, but not in the micro wave
furnace. 7 PCS other classes: kettle, water bottle, bottle.
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