日本高清TV一区二区三区

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常用催化劑DMAEE

DABCO DMAEE
DMAEE
低氣味表面固化催化劑,與33LV等主要基礎催化劑共用。
DABCO DMDEE
DMDEE
「發泡」催化劑,尤其適用于單組份密封泡沫,與MDI相溶而不反應。
DABCO DMEA
DMEA
溫和平衡性催化劑,乳白時間較短。

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日本高清TV一区二区三区
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