• Why can plastic bottles be sold but not waste plastic bags?

Unsolved2021/08/09 19:47

• Why doesn't the toilet cleaner corrode the plastic bottle that contains it?

Unsolved2021/08/09 19:44

• Plastic lunch boxes stained with oil are always difficult to wash. Does this have anything to do wit

Unsolved2021/08/09 19:37

• How to improve the strength of plastic buckets?

Unsolved2021/08/09 19:33

• How to crush a plastic bottle quietly?

Unsolved2021/08/09 19:29

• Why do some plastic products crack after being used for a long time? How to distinguish plastic prod

Unsolved2021/08/09 19:25

• What are the commonly used types of modified plastics?

Unsolved2021/08/09 19:20

• After the oil resources are exhausted, what materials should humans use to replace plastics?

Unsolved2021/08/09 19:13

• Why do plastic bowls and stainless steel bowls feel more difficult to wash than ceramic bowls?

Unsolved2021/08/09 18:52

• Where did the recyclable plastic bottles you threw away go?

Unsolved2021/08/09 18:49

• How many kinds of plastics are there? What's the difference?

Unsolved2021/08/09 18:43

• Can you accurately distinguish PC, PP, PV and PE?

Unsolved2021/08/09 18:41

• What are the advantages and disadvantages of No. 5 plastic and No. 7 plastic?

Closed2021/08/09 18:38

• Is the coloring of silicone kitchenware safe?

Unsolved2021/08/09 18:15

• How much do you know about PP-R tube masterbatch?

Unsolved2021/08/09 18:11

• Too many OEM customers in the factory lead to more messy product colors. How to control and reduce t

Unsolved2021/08/09 17:29

• How much is the color difference range of the color difference meter normal?

Unsolved2021/08/09 17:25

• How to achieve gradient color for plastic products, one color in the center part, all the surroundin

Unsolved2021/08/09 17:21

• POM shrinkage problem, why is it finally found that the shrinkage of black is much larger than that

Unsolved2021/08/09 17:08

• Why does the injection toner fade when used in rotational molding? Is there a solution?

Unsolved2021/08/09 17:01