How to distinguish TPU?

Plastic products sucks in our daily life everywhere and anytime. Some plastic is toxic while others is eco-friendly. As we know, TPU is one kind of eco-friendly plastic. In different degrees,  it has different property. On contrast, silicone and rubber are not as eco-friendly as TPU material, though they has similar property.


However, these three plastic material have their own performance. Here we have some ways to distinguish TPU, silicone and rubber.


TPU:

1. Clear or colored.

2. Has yellow flame, a little explosion, few white smoke when fire. It can also have black smoke when it’s not fully fire sometimes.

3. A little bit fragrance.

4. Range of hardness is 60A-80D.


Silicone:

1. Has bright white flame when fire.

2. A little bit smell and smoke when fire. The residue after fire is white powder.

3. Range of hardness is 10A-90A.


Rubber:

1. The firing flame is yellow.

2. Smelly when fire.

3. Range of harness is generally 50A-80A.



tpu, silcone and rubber strap





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