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Home > News > Chemicals

New PBT with silicone adhesive for outstanding adhesion for EV electronics housings

Source:Adsale Plastics Network Date :2023-10-17 Editor :RC
Copyright: Original work. Please do not reprint.

Envalior introduced its new polyester Pocan B3234HR S2 (PBT), a hydrolytically stabilized compound that offers outstanding adhesion with a primer-free applied, thermally quick-hardening single-component silicone adhesive.


envalior PBT with silicone adhesive_480.jpg


New PBT with silicone adhesive offers outstanding adhesion.

 

The new Pocan B3234HR S2 is based on Pocan B3233HR, which already offers excellent adhesion with numerous silicone adhesives and are applied to in-vehicle electronic components such as connectors and parking brake housings.

 

The compound ensures high-strength adhesion with the single-component silicone adhesive, as well as offers outstanding hydrolysis resistance. In specimen tests based on the stringent long-term hydrolysis tests of the US Society of Automotive Engineers (SAE/USCAR-2 Rev.7), it achieves “Class 4”, the second-best rating.

 

This ensures that the electronics housings for driving stability systems are resistant to hot and humid environments.

 

The new material also exhibits similar mechanical properties to Pocan B3233HR, including high tensile strength and elongation at break, which lend the material a high degree of resistance to burst pressure.

 

Pocan B3234HR S2 is colored black with “900867” from Envalior. This highly versatile color system allows laser-marked at high speeds and frequencies and with a high level of contrast. In addition, it ensures good absorption of the frequencies used in laser transmission welding, which helps to ensure high weld strength in this joining process.

 

Two standard test systems for pull-off adhesion tests are invested to optimize the new material, as well as a manual peel test. These allow Envalior quickly test the strength of adhesives.

 

The company will also put the test equipment to intensive use to further develop specially tailored, application- and customer-specific thermoplastics for silicone adhesives. It is working on hydrolysis-resistant PBT compounds with good laser marking capability that offers both firm adhesion with silicone adhesives and high flame-resistance.


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Source:Adsale Plastics Network Date :2023-10-17 Editor :RC
Copyright: Original work. Please do not reprint.

Envalior introduced its new polyester Pocan B3234HR S2 (PBT), a hydrolytically stabilized compound that offers outstanding adhesion with a primer-free applied, thermally quick-hardening single-component silicone adhesive.


envalior PBT with silicone adhesive_480.jpg


New PBT with silicone adhesive offers outstanding adhesion.

 

The new Pocan B3234HR S2 is based on Pocan B3233HR, which already offers excellent adhesion with numerous silicone adhesives and are applied to in-vehicle electronic components such as connectors and parking brake housings.

 

The compound ensures high-strength adhesion with the single-component silicone adhesive, as well as offers outstanding hydrolysis resistance. In specimen tests based on the stringent long-term hydrolysis tests of the US Society of Automotive Engineers (SAE/USCAR-2 Rev.7), it achieves “Class 4”, the second-best rating.

 

This ensures that the electronics housings for driving stability systems are resistant to hot and humid environments.

 

The new material also exhibits similar mechanical properties to Pocan B3233HR, including high tensile strength and elongation at break, which lend the material a high degree of resistance to burst pressure.

 

Pocan B3234HR S2 is colored black with “900867” from Envalior. This highly versatile color system allows laser-marked at high speeds and frequencies and with a high level of contrast. In addition, it ensures good absorption of the frequencies used in laser transmission welding, which helps to ensure high weld strength in this joining process.

 

Two standard test systems for pull-off adhesion tests are invested to optimize the new material, as well as a manual peel test. These allow Envalior quickly test the strength of adhesives.

 

The company will also put the test equipment to intensive use to further develop specially tailored, application- and customer-specific thermoplastics for silicone adhesives. It is working on hydrolysis-resistant PBT compounds with good laser marking capability that offers both firm adhesion with silicone adhesives and high flame-resistance.


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New PBT with silicone adhesive for outstanding adhesion for EV electronics housings

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