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The 1,4,5,8-Naphthalenetetracarboxylic acid which are acylized have high content of second anhydride, it could make the dye firmer, better the color and light, increase the harvest, win the consumers' praise. 1,4,5,8-Naphthalenetetracarboxylic acid is mainly used in producing reduction bright orange (reduction claret 2R) and reduction scarlet GG, reduction brown B and reduction brown 5R.1,4,5,8-Naphthalenetetracarboxylic acid could produce new polyamide, TNM polyamide and TNM polymer that are good in insulation, counter-radiate and heatproof (above 400℃). Two layers packing, the internal is sealed with polyester plastic bag without toxicity, the external is paperboard bucket and the net content is 25kg, or pack in accordance with the consumers' demands.http://en.fnchem.com Address: Xizhubao,Baizhai,QuzhouhandanHeBei Zip:057250 Tel: 86-310-8921463 Contact: Haimin Liu HomePage: http://www.fnchem.com
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