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| polyvinyl alcohol PVA |
1.PVA 2488 White Flake
2.High Quality
3.Competitive Price
4.Direct Manufacturers
5.Timely Delivery
PROPERTIES: Polyvinyl Alcohol is high polymer with excellent characters to dissolve easily in water but not to dissolve in common organic solvent and organic acids, and with excellent film-forming property, oilresistant, chemical-resistant. It can react with formaldehydes to form polyvinyl acetal.
Type\Descripion | Alcoholysis (mol%) | Viscosity (mpa.s) | Sodium acetate (NaAC%) | Volatiles(%) | Ash(%) | PH Value | Grade |
17-99(H) | 99.8-100.0 | 20.0-28.0 | ≤7.0 | ≤9.0 | ≤2.8 | 7-10 | Class A |
17-99(L) | 98.0-100.0 | 22.0-28.0 | ≤2.5 | ≤8.0 | ≤0.7 | 5-7 | Class A |
19-99(H) | 99.8-100.0 | 28.0-33.0 | ≤7.0 | ≤9.0 | ≤2.8 | 7-10 | Class A |
19-99(L) | 98.0-100.0 | 28.0-35.0 | ≤2.5 | ≤8.0 | ≤0.7 | 5-7 | Class A |
20-99(H) | 99.8-100.0 | 33.0-40.0 | ≤7.0 | ≤9.0 | ≤2.8 | 7-10 | Class A |
21-99(L) | 98.0-100.0 | 35.0-42.0 | ≤2.5 | ≤8.0 | ≤0.7 | 5-7 | Class A |
22-99(H) | 98.0-100.0 | 40.0-47.0 | ≤7.0 | ≤9.0 | ≤2.8 | 7-10 | Class A |
23-99(L) | 98.0-100.0 | 42.0-50.0 | ≤2.5 | ≤8.0 | ≤0.7 | 5-7 | Class A |
24-99(L) | 98.0-100.0 | 50.0-60.0 | ≤2.5 | ≤8.0 | ≤0.7 | 5-7 | Class A |
25-99(L) | 98.0-100.0 | 60.0-69.0 | ≤2.5 | ≤8.0 | ≤0.7 | 5-7 | Class A |
26-99(L) | 98.0-100.0 | 69.0-78.0 | ≤2.5 | ≤8.0 | ≤0.7 | 7-10 | Class A |
17-88(L) | 86.0-90.0 | 20.0-26.0 | ≤1.5 | ≤8.0 | ≤0.7 | 5-7 | Class A |
24-88(L) | 86.0-90.0 | 44.0-55.0 | ≤1.5 | ≤8.0 | ≤0.7 | 5-7 | Class A |
Usage: PVA is widely used in vinylon spinning,textiles sizing,emulsion agent,adhesive, building paint and paper glue. It is also used to produce polyvinyl formaldehyde, polyvinyl butyral and in all kinds of fields. High viscosity PVA is used in adhesive,buliding paint better. Ordinary alcoholysis degree PVA is used in textile sizing, adhesive, emulsifier and disperse agent etc.
Package: packed in plastic bag lined with polywoven bag. Net weight 12.5kgs or 20kgs if Floccule, Net weight 25kgs if Powder,Net weight 20kgs if Flake.
Quality Targets: (Standard Number:China GB120101.1~12-89)
