GREMONT CHEMICAL COMPANY LIMITED
Terephthalic Acid
PTA,Purified Terephthalic Acid
 
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SPECIFICATION  
Specification    
Acid number (mg KOH/gm) : 675±1
4-CBA (ppm w/w ) : max 10
p-Toluic acid (ppm w/w) : max 150
Water (% w/w) : max 0.15
b*(colour) : max 0.8
APHA colour(2N KOH) : max 8
Ash(ppm w/w) : max 6
Metals (ppm w/w) : None greater than 0.3 and in total max 2
Median particle size (um) : 120±20
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