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  • Polyvinyl Butyral
Polyvinyl Butyral

Polyvinyl Butyral

Polyvinyl Butyral (PVB) Resin HH-PVB

1. Appearance: Tiny, free-flowing white powder.

2. Properties: Polyvinyl butyral (or PVB) is a resin which a member of the polyvinyl acetal family. Produced through the reaction of polyvinyl alcohol with butyraldehyde. Polyvinyl butyral



(PVB) properties including high tensile strength, strong binding, impact resistance, transparency and optical clarity. PVB resins are used in general industrial and wood coatings, wash


primers, ceramic substrates, composites and structural adhesives, and gravure or flexographic inks.  Also, it is particularly suitable as an adhesive film interlayer in laminated safety


glass


in automotive windshields and architectural safety glass.


3.  Major technical index:    

Item

Unit

HH-PVB16H

HH-PVB20H

HH-PVB30H

HH-PVB04H

Volatile content

Wt-%

≤3.0

≤3.0

≤3.0

≤3.0

Non-Volatile


content

Wt-%

97.0

97.0

97.0

97.0

Butyral content

Wt-%

76-85

76-85

76-85

76-85

Acetate content

Wt-%

≤3.0

≤3.0

≤3.0

≤3.0

Hydroxy content

Wt-%

12-17

12-17

12-17

12-17

10% viscosity

mpa.s

9-14

14-20

20-30

30-55

Free acid

MgKOH/g

≤0.5

≤0.5

≤0.5

≤0.5

 

4. Major application:

1) Coating adhesive (increase adhesivity, anticorrosive/shop primer, baked enamel, wash primer, paint and coating, used for various bases);

2) Ink adhesive;

3) The whiteboard ink adhesive;

4) Textile printing and non-woven adhesive;

5) Engineering ceramic and other ceramics;

6) Organic pigment wetting agent.

 

5.     Packing, transportation and storage:

Paper-plastic bag, 15kg/bag.     6t in 20’FCL; 13.2t in 40’FCL.

Keep in the cool and dry ventilated places.


Contact Us

Name: Fancy Yang

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Fax: +86-551-63838978

Mobile: +86-151 5561 5719

E-mail: fancyyang@tyhanghui.com

Add: ROAD DANGSHAN 1868, ROOM 304, DISTRICT YAOHAI, HEFEI, ANHUI, CHINA

fancyyang@tyhanghui.com