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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 |
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.
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