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Polyvinly butyral resin  B003S

Product performance:

It exhibits comprehensive properties including high transparency, impact resistance, high tensile strength, excellent weatherability,

abrasion resistance, oil resistance, chemical resistance, cold resistance, water resistance, and elasticity. Additionally, it demonstrates

strong film-forming and adhesive capabilities on materials such as glass, metal, wood, ceramics, leather, etc. It is compatible with a

variety of resins, including phenolic resin, urea-formaldehyde resin, melamine resin, epoxy resin, nitrocellulose, natural resin, and

more.

Typical applications:

Recommended for use in solvent-based coatings to enhance the abrasion resistance, weatherability, and flexibility of the paint film.

Add Content:For ink systems, the recommended dosage (based on total formulation weight) is 20.0–25.0%. For improving paint film

properties (such as abrasion resistance, flexibility, weatherability, etc.), the recommended dosage (as above) is 0.8–3.0%.

Usage:First dissolve in a solvent (e.g., ethanol) before adding to the mixture.

Physical properties:

Item

value

Solution viscosity(10% ethanol solution, @20 ℃)

30- 60cps

Volatile Content

3.0%

Hydroxyl Content

20.0- 26.0%

Butyral Content

72.0-76.0%

Acetate Content

0-2.5%

Tg

72.0-78.0

Molecuar Weight

12-30  × 103

Physical Characteristics

GL-01

GN02-D

GN03-D

GN-07

GM-15

GN16D

GN16

GH-45

GH-60

GH-90

Volatiles%

≤3

≤3

≤3

≤3

≤3

≤3

≤3

≤3

≤3

≤3

3Molecular weight × 10 4

1.2-2.0

2-3.5

5.0-6.0

5.0-7.0

5.0-7.0

8.0-11.0

7.0-10.0

8.0-11.5

12.5-16.0

17.0-23.0

Solution viscosity

10%Ethanol solutionmPa.s

7-15

40-65

180-250

75-200

70-200

200-400

200-400

400-750

750-1500

1600-2500

Hydroxyl content  

(polyvinyl alcohol%)Wt%)

12-18

17-23

17-23

15-18

17-23

13-16

16-20

17-23

17-23

17-23

Acetyloxy contentWt%)

<3%

<3%

<3%

<3%

<3%

<3%

<3%

<3%

<3%

<3%

Butyraldehyde content  

(polyvinyl butyralWt%)

76-82

75-80

75-80

78-82

75-80

80-84

75-80

75-80

75-80

75-80

Tg

65-75

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