Chinese wholesale Hypromellose - Manufacturer Good Price PVB( Polyvinyl Butyral Resin) CAS:63148-65-2 – INCHEE
Chinese wholesale Hypromellose - Manufacturer Good Price PVB( Polyvinyl Butyral Resin) CAS:63148-65-2 – INCHEE Detail:
Synonyms
Polyvinyl butyral film;Polyvinyl Butyral (PVB);Poly(vinyl butyral)M.W. 30,000 – 35,000;Poly(vinyl butyral), fine granular powder,nominal M.W. 36,000;Butvar(R) B-98;B-72 Polyvinyl butyral;Butvar®;B-76Polyvinyl butyral.
Applications of PVB
1. The thin film is used to make the sandwich materials for safe glass. The safe glass is good and has a high impact strength. It is widely used in the aviation and automobile field.
2. It is used to create metal bottom coatings and cold paint with strong adhesion and water resistance with strong adhesion and water resistance.
3. It is used to create a bright film flower paper, which can replace ceramic flower paper. The resin industry is used to create crusher plastic for non -ferrous metals such as steel and lead, which can be matched into a variety of adhesives. It is widely used for bonding of wood, ceramic, metal, plastic, leather, layer of pressure materials.
4. Used to make fabric treatment agents and gauze tube. The food industry is used to make toxic packaging materials.
5. The papermaking industry is used to make paper treatment agents. In addition, it can be used to manufacture anti -shrinkables, rigid agents and other waterproof materials.
6. It can be used for the tenderness of the printing industry, concave printing, convex printing, silk net printing, heat transfer, because it is dissolved in alcohol and non -toxic, the seal does not remain the odor, which can be used in the food industry that is sensitive to the odor in the food industry. Such as tea/cigarettes. Because the resin is cedic type, it has excellent adhesion on the surface of the glass with a strong yin ion, which is especially suitable for glass plate decoration silk prints.
Specification of PVB
PVB( Polyvinyl Butyral Resin) 1A:
|
Compound |
Specification |
|
Appearance |
White powder |
|
Butyraldehyde group |
68-85 |
|
Volatiles % |
≤3% |
|
Free acid(HCl) |
≤0.05% |
|
hydroxyl |
19.8% |
|
Ester |
2.1% |
|
Viscose (Methanol 6% solution 20℃) |
4-6 |
|
Transparency |
430nm |
|
660nm |
PVB( Polyvinyl Butyral Resin) 3A:
|
Compound |
Specification |
|
Appearance |
White powder |
|
Butyraldehyde group |
68-85 |
|
Volatiles % |
≤3% |
|
Free acid(HCl) |
≤0.05% |
|
hydroxyl |
20.1% |
|
Ester |
2.0% |
|
Viscose (Methanol 6% solution 20℃) |
9-18 |
|
Transparency |
430nm |
|
660nm |
PVB( Polyvinyl Butyral Resin) 6A:
|
Compound |
Specification |
|
Appearance |
White powder |
|
Butyraldehyde group |
68-85 |
|
Volatiles % |
≤3% |
|
Free acid(HCl) |
≤0.05% |
|
hydroxyl |
20.2% |
|
Ester |
2.0% |
|
Viscose (Methanol 6% solution 20℃) |
60-110 |
|
Transparency |
430nm |
|
660nm |
Packing of PVB
15kg/bag,1 ton/bale
Storage: Preserve in well-closed, light-resistant, and protect from moisture.

Product detail pictures:
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