Pencarian model katup bola isolasi panas

2016-11-21View Original

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Model katup isolasi yang tercantum dalam daftar bahan yang diberikan oleh biro desain adalah BQ41PPL-16C-65. Saya tidak mengerti apa arti huruf “PPL” yang ada di tengahnya ？ Mohon bantuan untuk menjawabnya.

Reply #22016-11-21

PPL merupakan polimer yang tahan terhadap suhu tinggi; harganya jauh lebih mahal dibandingkan politetrafluoroetilen

Reply #32016-11-21

Apakah ini bahan pelapis kedap airnya? ？

Reply #42016-11-21

Terima kasih:handshake

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Pencarian model katup bola isolasi panas

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