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Полиуретан – Уикипедия
Полиуретанът е полимер (полиестер), който се произвежда от изоамини и алкохоли. Полиуретановите покрития и лепила в много случаи се получават от изоцианати, които се смесват с друг компонент – различни съединения с активен атом на водорода, епоксидни смоли или техните производни с амини. Използва се качеството на сместа да експандира многократно с управлявамо забавяне.
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карбидын зүсэлт хийх зориулалттай авто нунтаглагч
Барилгын хамгаалалтын хаалт, хашлага. Үнэ авах; Лед дэлгэц . Led P10 ГАДНА ЗОРИУЛАЛТТАЙ LED 1 ШИРХЭГ ХАВТАН .. module parametersModelP10Pixel pitch10 mmPixel configuration1RLED lamp346 DIPPixel matrix per panel3.. ₮45,000 . ₮45,000 Авах. Авах. Led P10 нэг өнгөт ногоон мкв module ...
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