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White plastic for a long time. Why does it turn yellow?

4 answer

The plastic basin is broken. How do you fix it?

3 answer

What is environmentally friendly engineering plastics?

3 answer

The working principle of plastic mould

4 answer

What are the requirements of laser marking for plastic products?

2 answer

How many grades are there in the plastic block? How to divide?

2 answer

What's the way to clean the greasy food on the plastic?

2 answer

What kind of plastic bottles can be used again and again?

3 answer

What are the hazards of plastic oiler

3 answer

How to remedy plastic deformation?

3 answer

What harm does plastic particles do to the body in the factory?

3 answer

Can plastics be recycled?

3 answer

What can plastic particles do?

4 answer

How do you dye plastics?

3 answer

Made of plastic masterbatch high temperature fade, stick to the other items, how this color

3 answer

What is the pungent smell of plastic products?

3 answer

Can I put food in a plastic product that has just been soaked in hot water?

3 answer

Can plastic bottles be recycled?

5 answer

What's the advantage of a basin made of plastic?

4 answer

Are common plastic products in daily life, what are the materials?

4 answer

How is the recycling of plastic bottles handled?

4 answer

How do you understand the level of engineering plastics?

5 answer

What's the difference between plastic bags 02 and 00?

4 answer

What are the materials for plastic bottles?

3 answer

How can plastics be cleaned?

3 answer

What does plastic melt mean?

4 answer

Are there any differences between plastic products and plastic products?

2 answer

What kind of plastic can touch food?

4 answer

Can a plastic bowl be used safely?

3 answer

I would like to ask you, I use plastic bags or other plastic bags of food in the refrigerator, and take out a plastic flavor, not only in the freezer, but also in fresh keeping!

3 answer