In the market, TPU elastic tape is popular among apparel manufacturers due to its good elasticity, wear resistance, and environmental friendliness. However, with the increasing popularity of TPU tape, some counterfeit and inferior products have also appeared in the market. To help consumers identify good and bad TPU elastic tape, here are some identification methods and tips.
1. Observe the appearance
The good quality TPU tape has a smooth surface, no obvious defects and impurities, and a uniform color. The bad quality TPU elastic tape usually has a rough surface, defects, and uneven color.
2. Stretch test
The good TPU elastic tape has excellent elasticity, can be stretched to 2-4 times its original length, and can quickly return to its original state without significant deformation. In contrast, the bad TPU tape has poor elasticity, is not easy to recover after stretching, and is prone to deformation.
3. Barbecue test
Burn a small section of the TPU tape with a flame. The good TPU elastic tape will not burn but will melt, and there will be no pungent smell after melting. On the other hand, the bad TPU elastic tape will produce black smoke and a pungent smell during the burning process.
4. Water washing test
Put the TPU elastic tape in water. The good TPU tape will not easy to get out of shape or wrinkle. But the bad elastic tape will wrinkle after several times washing. Or even get break.
5. Ask the manufacturer
When buying a TPU elastic tape, you can ask the seller about the manufacturer's information, understand the production process and quality control process, to better judge the authenticity of the product.
6. Testing by authoritative institutions
If you cannot judge the authenticity of the TPU elastic tape through the above methods, you can send the sample to an authoritative third-party testing institution for testing, and judge the authenticity of the product through a professional testing report. TPU tape from Yunze pass Oeko-tex Standard 100 certificate. Customers can check the authenticity of the certificate on Oeko-tex official website. Just typing in the certificate number can you verify it.
So it is not difficult to identify the quality of TPU elastic tape. As long as you carefully observe and patiently test, you can distinguish the genuine TPU elastic tape and avoid buying counterfeit and inferior products.
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