| CAS No.: | 9002-89-5 |
|---|---|
| Formula: | C2h4o |
| EINECS: | 209-183-3 |
| Environmental Protection: | Yes |
| Certification: | REACH |
| Color: | White |
| Samples: |
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| Customization: |
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Polyvinyl alcohol (PVA) resin is a kind of heavy polymer. It is usually a white or slight yellow floccules, flake, granular or powdery in appearance. PVA is non-toxic, insipid and non-polluting. PVA is a kind of water-soluble resin with good chemical stability. It also has good adhesion, film-forming ability, insulation, oil resistance, abrasion resistance and gas barrier properties
|
Standard Grades
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|||||||
|
Hydrolyzed
|
Item
|
Viscosity (mpa.s) |
Alcoholysis (mol) |
Volatile
(%)
|
Sodium Acetate(%)
|
Ash
(%)
|
PH
|
|
Fully
|
04-99(L)
|
3.0-4.5
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
05-99(L)
|
4.0-6.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
10-99(L)
|
9.0-14.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
15-99(L)
|
20.0-26.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
17-98(L)
|
20.0-26.0
|
97.0-99.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
17-99(L)
|
20.0-26.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
17-99(H)
|
20.0-26.0
|
98.5-100.0
|
9.0
|
2.5
|
3.0
|
5-7
|
|
|
19-99(L)
|
26.0-32.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
19-99(H)
|
26.0-34.0
|
98.5-100.0
|
9.0
|
2.5
|
0.7
|
5-7
|
|
|
20-99(L)
|
32.0-40.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
20-99(H)
|
34.0-42.0
|
98.5-100.0
|
9.0
|
2.5
|
0.7
|
5-7
|
|
|
22-99(L)
|
40.0-48.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
23-99(H)
|
42.0-55.0
|
98.5-100.0
|
9.0
|
2.5
|
3.0
|
5-7
|
|
|
24-99(L)
|
48.0-60
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
26-99(L)
|
60.0-75.0
|
98.0-100.0
|
7.0
|
2.5
|
3.0
|
5-7
|
|
|
28-99(L)
|
75.0-90.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
Partially
|
04-88(L)
|
3.0-4.5
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
05-88(L)
|
4.0-6.0
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
17-80(L)
|
18.0-24.0
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
17-88(L)
|
20.0-28.0
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
20-88(L)
|
28.0-40.0
|
86.0-90.0
|
7.0
|
2.5
|
3.0
|
5-7
|
|
|
24-88(L)
|
40.0-55.0
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
|
Intermediate
|
10-92(L)
|
8.0-13.0
|
90.0-94.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
14-92(L)
|
13.0-18.0
|
90.0-94.0
|
7.0
|
3.5
|
0.7
|
5-7
|
|
|
17-92(L)
|
20.0-30.0
|
90.0-94.0
|
7.0
|
4.5
|
0.7
|
5-7
|
|
|
17-95(L)
|
20.0-30.0
|
94.0-96.0
|
7.0
|
5.5
|
0.7
|
5-7
|
|
|
17-96(L)
|
20.0-30.0
|
94.0-98.0
|
7.0
|
6.5
|
0.7
|
5-7
|
|
|
17-97(L)
|
21.0-31.0
|
96.0-98.0
|
7.0
|
7.5
|
0.7
|
5-7
|
|
|
Fine Particle Grades(S-Grade)
|
|||||||
|
Item
|
Mesh size
|
Viscosity (mpa.s) |
Alcoholysis (mol) |
Volatile(%)
|
Sodium Acetate (%) |
Ash(%)
|
PH
|
|
04-88 S80
|
80
|
3.0-4.5
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
17-99 S120
|
120
|
20.0-26.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
17-99 S80
|
80
|
20.0-26.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
17-99 S50
|
50
|
20.0-26.0
|
98.0-100.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
05-88 S80
|
80
|
4.0-6.0
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
17-80 S80
|
80
|
18.0-24.0
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
20-88 S80
|
80
|
28.0-40.0
|
86.0-90.0
|
7.0
|
2.5
|
3.0
|
5-7
|
|
24-88 S80
|
80
|
40.0-55.0
|
86.0-90.0
|
7.0
|
2.5
|
0.7
|
5-7
|
|
Fiber Grade
|
|||||||
|
specification
|
17-99F(H)
|
17-99F(L)
|
26-99F(L)
|
||||
|
Alcoholysis %(mol)china producer 2088 2499 granule 2488 polyvinyl alcohol pva
|
99.8-100
|
99.8-100
|
99.8-100
|
||||
|
Viscosity % ≤
|
9.0
|
7.0
|
7.0
|
||||
|
Sodium.Hydroxide % ≤
|
0.30
|
0.30
|
0.30
|
||||
|
Residual Acetic Acid % ≤
|
0.20
|
0.20
|
0.20
|
||||
|
Sodium HAcetate % ≤
|
7
|
2.5
|
2.5
|
||||
|
Purity % ≥
|
84.7
|
92.0
|
92.0
|
||||
|
Transparency % ≥
|
90.0
|
90.0
|
90.0
|
||||
|
Coloring Degree % ≥
|
84.0
|
86.0
|
86.0
|
||||
|
Swelling Capacity %
|
190±15
|
145±15
|
145±15
|
||||
|
Average Degree of Polumerization
|
1750-1900
|
1750-1900
|
2450-2650
|
||||
|
Molecular Weight
|
77000-83600
|
77000-83600
|
107800-116600
|
||||
|
Appearance
|
White flocculent
|
White flake
|
White flake
|
||||
1. Adhesive and thickener material in latex paints, paper coatings, hairsprays, shampoos and glues.
2. Textile agent
3. barrier in (PET) bottles.
4. for use as synthetic vessels in flow testing.
5. Movie and children's play or slime when combined with .
6. Feminine hygiene and adult incontinence products as a plastic backing sheet.
7. As a because materials such as do not stick to it.
8. As a water-soluble film useful for packaging.
9.As fiber reinforcement in concrete
10.As a surfactant for the formation of polymer encapsulated nanobeads
11.Used with polyvinyl acetate to make Elmer's glue
12.Used in eye drops and hard solution as a lubricant.
13.Used in protective chemical-resistant gloves
14. Used as a for specimen collection, especially stool samples
15. When doped with iodine, PVA can be used to polarize light.
16.As an agent in medical procedures
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