Promotion of welding for plastic.

Dear sir..
Please help me..
We should weld TPU with PET(or LDPE)..
Is it possible?? are there any additives for PET(or LDPE)??
Best regards.
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You are best of trying to weld a polymer to itself. Failing that, the polymers should be compatible with each other - a very rare situation. And both polymers need to have similar melting temperatures, a further challenge.
Ultrasonic might work. But run from the LDPE. It will be a nightmare.
John Aspen Research, -
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