Product: Polyvinyl Butyral (PVB)
Synonyms: Polyvinyl Butyral Resin
CAS NO: 63148-65-2
Molecular formula: C16H28O5
Properties:
White powder or granules. Soluble in solvents such as alchohols, esters, ketones, and mixtures of alchohol and arene.
Application:
1. Transparent Material: adhesive and transparent to both inorganic and organic glass. Applied as safety interlayer and other transparent materials.
2. Paints industry: Metal primer, paint in vacuum evaporation, transfering print ink, ink applied on metal, water-proof paint, metal paint and powder paint.
3. Adhesive Agent: adhesive agent used in ‘Mark Copy Printing’, conglutination of glass, conglutination of metal, thermosol, conglutination of lacquered wire coils.
4. Usage in glassfiber reinforced plastic and laminated products.
5. Application in fiber processing: daubing fibers and processing other fibers.
-
Green Strength adhesive material.
-
Used in many other industries.
Specification:
|
Items
|
Firm
|
SDW-1 (V20H)
|
SDW-1A (V30H)
|
SDW-2A
|
SDW-3A (V60H)
|
SDW-3B
|
SDW-6A
|
|
Purity,%
|
98.5 min.
|
98.0 min.
|
98.0 min.
|
97.9 min.
|
98.0 min.
|
98.0 min.
|
98.0 min.
|
|
Polyvinyl Acetal Content,%
|
74-77
|
75-77
|
75-77
|
69-71
|
75-78
|
69-71
|
74-77
|
|
Polyvinyl Acetate Content,%
|
3 max.
|
|
Viscosity In
Methanol 6% Solution
|
-
|
2-4
|
4-6
|
5-7
|
9-18
|
15-20
|
60-110
|
|
Viscosity In Butanol 5% Solution
|
150-230
|
12-16
|
20-30
|
27-32
|
45-80
|
60-90
|
240-300
|
|
Viscosity In Butanol 10% Solution
|
-
|
40-70
|
90-150
|
90-150
|
-
|
-
|
-
|
|
Volatiles
|
2.0 max.
|
|
Ash content
|
0.08 max.
|
|
Transparence (660nm),%
|
98 min.
|
94 min.
|
|
