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Wanwei PVA Polyvinyl Alcohol
Overview
Wanwei PVA (Polyvinyl Alcohol) is a high-quality polymer produced by Wanwei, a leading chemical manufacturer. Polyvinyl Alcohol (PVA) is a water-soluble synthetic polymer that is widely used across various industries due to its versatile properties. Below is a detailed overview of the product, including its performance, grades, characteristics, and typical applications.
Wanwei PVA is a highly versatile and eco-friendly polymer with a range of valuable properties, making it suitable for numerous industrial and consumer applications. Its water solubility, biodegradability, and non-toxicity, combined with strong mechanical properties, make it an attractive option in industries such as textiles, paper, packaging, construction, agriculture, and pharmaceuticals. Wanwei's various PVA grades cater to different application needs, ensuring that customers can find the ideal solution for their specific requirements.
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Specifications

Wanwei PVA

Item

Index

Alcoholysis/ (Mol)%

85.0～87.0

Viscosity/ (mPa.s)

3.4～4.2

Volatile content/% ≤

5

Ash content/% ≤

0.4

PH

5～7

Purity/% ≥

93.5

Item

Viscosity mpa.s

Average degree of polymerisation

Degree of alcoholysis

Molecular weight

Volatile %

Sodium Acetate %

Ash %

PH

Sodium Hydroxide

Residual acetic acid

Purity

Transparency

Coloring Degree

Swelling Capacity

Appearance

04-88(L)

3.0-4.5

/

86.0-90.0

/

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

04-99(L)

3.0-4.5

300-450

98.0-100.0

13200-19800

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

05-88(L)

4.0-6.0

/

 86.0-90.0

17600-26400

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

05-99(L)

4.0-6.0

450-600

98-100.0

19800-26400

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

10-92(L)

8.0-13.0

/

90.0-94.0

/

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

10-99(L)

9.0-14.0

900-1100

98.0-100.0

39600-48400

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

14-92(L)

13.0-18.0

/

90.0-94.0

/

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

15-99(L)

20.0-26.0

1450-1650

98.0-100.0

63800-72600

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

17-80(L)

18.0-24.0

/

78.0-82.0

/

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

17-88(L)

20.0-28.0

/

86.0-90.0

72600-81400

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

17-92(L)

20.0-30.0

/

90.0-94.0

72600-81400

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

17-95(L)

20.0-30.0

/

94.0-96.0

72000-81400

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

17-96(L)

20.0-30.0

/

94.0-98.0

/

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

17-97(L)

21.0-31.0

1650-1850

96.0-98.0

72600-81400

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

17-98(L)

20.0-26.0

1600-1800

97.0-99.0

70400-79200

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

17-99(L)

20.0-26.0

1680-1850

98.0-100.0

73900-82700

7.0

2.8

1.5

5-7

-

-

-

-

-

-

-

17-99(H)

20.0-26.0

1650-1850

98.5-100.0

72600-81400

9.0

7.0

3.0

5-7

-

-

-

-

-

-

-

19-99(L)

26.0-32.0

1800-2000

98.0-100.0

79200-88000

7.0

2.8

1.0

5-7

-

-

-

-

-

-

-

19-99(H)

26.0-34.0

1800-2000

98.5-100.0

79200-88000

9.0

7.0

1.5

5-7

-

-

-

-

-

-

-

20-88(L)

28.0-40.0

/

86.0-90.0

81400-94600

7.0

2.8

3.0

5-7

-

-

-

-

-

-

-

20-99(L)

32.0-40.0

2000-2200

98.0-100.0

88000-96800

7.0

2.8

1.5

5-7

-

-

-

-

-

-

-

20-99(H)

34.0-42.0

2000-2300

98.5-100.0

88000-101200

9.0

7.0

1.0

5-7

-

-

-

-

-

-

-

22-99(L)

40.0-48.0

2200-2400

98.0-100.0

96800-105600

7.0

2.8

1.5

5-7

-

-

-

-

-

-

-

23-99(H)

42.0-55.0

2300-2600

98.5-100.0

101200-114400

9.0

7.0

3.0

5-7

-

-

-

-

-

-

-

24-88(L)

40.0-55.0

/

86.0-90.0

101200-110000

7.0

2.8

1.5

5-7

-

-

-

-

-

-

-

24-99(L)

48.0-60.0

2400-2600

98.0-100.0

105600-114400

7.0

2.8

1.5

5-7

-

-

-

-

-

-

-

26-99(L)

60.0-75.0

2600-2800

98.0-100.0

114400-123200

7.0

2.8

3.0

5-7

-

-

-

-

-

-

-

28-99(L)

75.0-90.0

2800-3000

98.0-100.0

123200-132000

7.0

2.8

1.5

5-7

-

-

-

-

-

-

-

17-99F(H)

-

1750-1900

99.8-100

77000-83600

9.0

7.0

-

-

0.3

0.2

84.7

90

84

190土15

White flocculent

17-99F(L)

-

1750-1900

99.8-100

77000-83600

7.0

2.5

-

-

0.3

0.2

92

90

86

145土15

White flake

26-99F(L)

-

2450-2650

99.8-100

107800-116600

7.0

2.5

-

-

0.3

0.2

92

90

86

145土15

White flake


Packing & Storage

Packing In 20kg bag.
Storage Close, protect from light, ventilated and dry, cool, do not mix storage.
Shipping Equipped with appropriate varieties and quantities of fire-fighting equipment.
Performance and Properties

Wanwei PVA is renowned for its excellent film-forming ability, high water solubility, and low toxicity. Key performance features include:

Water Solubility: Wanwei PVA is highly soluble in water, allowing for easy use in formulations where water solubility is crucial.

Film-Forming: It forms strong, transparent, and flexible films, making it ideal for coating and packaging applications.

High Chemical Resistance: PVA demonstrates resistance to oils, fats, and various chemicals, making it suitable for use in harsh environments.

Good Adhesion: It has strong adhesion properties, making it useful as a binder and glue in various applications.

Biodegradability: PVA is biodegradable under certain conditions, making it an environmentally friendly alternative to some other synthetic polymers.

Good Tensile Strength: The material exhibits good tensile strength, making it durable and suitable for various mechanical applications.

Thermal Stability: It has moderate thermal stability, generally resistant to degradation at temperatures below 230°C, but it may degrade at higher temperatures.

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