Isophthalic acid, an intermediate with wide developing prospects, is mainly used for unsaturated polyester resin, PET polyester resin and alkyd resin.

间苯二甲酸主要应用在不饱和聚酯树脂、PET聚酯树脂以及醇酸树脂方面，是一种极具发展前景的中间体原料。

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Isophthalic acid is an important organic chemical product with wide application in alkyd resin, unsaturated polyester resin and acid-modified copolyester etc.

间苯二甲酸是一种重要的有机化工产品，在醇酸树脂、不饱和聚酯、酸改性共聚酯等方面具有广泛的用途。

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