nylon 6t (nylon 6t)

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nylon 6t

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Product Description

PA6T/66 for its electrical parts is a modified nylon 6T based on terephthalic acid, adipic acid and hexamethylene diamine, and its melting point is as high as 310 ℃. The main characteristics of PA6T/66 are excellent high temperature rigidity, dimensional stability and chemical resistance. The excellent characteristics make PA6T widely used in many fields including auto parts, mechanical parts and electrical/electronic parts. The following uses PA6T to refer to PA6T/66 in general.

Nature Description

1. Excellent welding resistance

PA6T has a very high melting point (310 ℃), and its thermal deformation temperature is also very high (about 290 ℃), so it can show excellent resistance to welding. The excellent solderability makes PA6T especially suitable for electronic connectors for surface adhesion technology (SMT).

2. Excellent high temperature rigidity

PA6T can still maintain a relatively high modulus at high temperature, for example, the modulus at 120℃ is 55% of the modulus at 23℃. In other words, PA6T can maintain stable and excellent rigidity in a wide temperature range.

3. Excellent chemical resistance

4. Low water absorption

For nylon resin, the water absorption rate of PA6T is quite low, only 1/4 to 1/3 of nylon 66. Therefore, the physical property changes of PA6T caused by water absorption are relatively small.

5. Excellent dimensional stability

The water absorption rate of PA6T is quite low, and the size change caused by water absorption is quite small. The thermal expansion coefficient of PA6T is quite stable and remains at a relatively low level in the high temperature range. Therefore, the dimensional stability to temperature changes is good. In addition, PA6T has little warpage caused by the forming process. In other words, PA6T has excellent dimensional stability.

6. Excellent Liquidity

PA6T has good melt fluidity and can be easily processed by injection molding. In addition, PA6T also has excellent thin-wall formability, making it suitable for frobnitz processing and molding.

7. It is not easy to get rough edges during molding

PA6T also has an inherent characteristic of nylon, which is not easy to burrs during injection molding.