Navigation
 
  PVA
 

 

Uses : Important widely used as raw materials for vinylon and artificial fibre, viscose, as adhesive for laminated plywood, leather, paper, sign and print. It also used as coating for white wash of buildings, emulsion, glue and glue products.
 
Quality Accreditation Certificate
ISO Quality System Accreditation Certificate
Quality Standard:GB7351-87  
Item
Unit
Exc.gr
Fir.gr
Sec.gr
Polymerization degree
%
175050
175050
175070
PVA purity
%
85.0
85
84.7
Volatiles
%
8.0
8.0
8.0
Colouring
%
88.6
86.0
84.0
Teansperency
%
90.0
90.0
90.0
NaOH Sodium hydroxide
%
0.20
0.30
0.30
Sodium acetate
%
6.8
7.0
7.0
Residue acetate radical
%
0.15
0.20
0.20
Expansion degree
%
19015
19015
19015

Copyright(C)2002,Lanzhou Xiwei Vinylon Industry Co.,Ltd.All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice