Which is more suitable for strap, TPE material or TPU material? With the development of smart watches, parents will also consider their safety when purchasing, because the material of the watch strap has a long contact with the human body. Therefore, the choice of strap raw materials is particularly important. It needs to consider safety, antibacterial and mildew resistance. In terms of comfort, is TPE material or TPU material more suitable for watch strap? How to reduce the odor of TPE products? Next, Shenzhen Ye Jun will give you an analysis:

First of all, the difference between TPE and TPU.

TPE and TPU watch materials introduced by thermoplastic elastomer manufacturers are developed by TPE and TPU. So what are the similarities and differences between the two materials?

1. Safety: TPE and TPU are environmentally friendly and nontoxic elastomer materials, which comply with EU environmental regulations and certification.

2. Comfort: Different manufacturers have different product requirements. Usually, the hardness of smart watches is generally 50a-80a, the softest TPU is 70A, and the softest TPE is 0a- 100a, so TPE is softer than TPU and more comfortable to wear.

3. Allergy: Both TPE and TPU can pass the skin allergy test of iso- 10993, reaching medical grade and food grade, and the price will be a little more expensive than ordinary products.

4. Machinability: As we all know, TPU is difficult to demould during processing and molding. Thermoplastic elastomer has the advantages of faster demoulding and better product design than thermoplastic polyurethane.

5. Antibacterial: As the material of the strap, antibacterial and mildew-proof are essential. The antibacterial activity of TPE is better than that of TPU.

6, anti-yellow: the watch will turn yellow if worn for a long time. Thermoplastic elastomer materials will turn yellow after one year, while thermoplastic elastomer materials will turn yellow after about half a year. TPE has better yellowing resistance than TPU.

Second, the advantages of TPE materials

1, simple processing, no need for vulcanization, high production efficiency and short molding cycle.

2. It is an ideal material to replace rubber and silica gel.

3. Stable performance, high temperature resistance (service temperature range -50- 100℃), aging resistance, chemical corrosion resistance and solvent resistance.

4.TPE materials will not introduce heavy metals and toxic phthalate plasticizers in the production process. Meet the requirements of RoHS, reach, EN7 1, PAHs and FDA. It is the best material to replace PVC.

5. Save energy. Most thermoplastic elastomers do not need vulcanization or the vulcanization time is very short, which can effectively save energy.

The above TPE materials and TPU materials that are more suitable for strap are summarized here, so for the safety of children, TPE materials are the best choice. TPE material is nontoxic and harmless. TPE material is nontoxic and environmentally friendly elastomer material, so don't worry.