hand layup 中文意思是什麼
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Hr - 802 is composite of a and b, its an othphthalic acid based unsaturated polyester resin dissolved in styrene, especially fit for hand - layup process
802是添加型阻燃樹脂,對玻璃纖維有良好浸潤性,使用方便。該樹脂阻燃性能好,發煙量少。 -
Hr - 8200 hand - layup or spray upr
Hr - 8200手糊噴射成型樹脂
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