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Технические документы
Polyvinyl butyral. Acts as a binder. Also acts as a co-binder for powder coatings.
Детали
PVB
Polyvinyl Butyral
- better plasticizing properties
- very good adhesion properties
- very good adhesion to substrates like polyolefins, metals, cellulose acetate, polyester, cellophane, polyamide, and polystyrene films
- Printing inks exhibit low solvent retention
- good flow
- good resistance to water
adhesion promotion/ corrosion protection primers
shop primers
wash primers
stoving enamels
varnishes and lacquers for different substrates
strippable packaging coatings
automotive refinishing coatings
can coatings
heat-sealable lacquers
radiator primers/topcoats
wood sealing varnishes
plastic surface finishes/nitrocellulose lacquers
gear paints/paper varnishes
road marking paints
coil coatings
thermo-transfer inks
flexographic as well as gravure printing inks
The adhesive strength of foil lacquers can be improved by stoving at temperatures of up to 140 °C.
If necessary, gloss and flexibility can be improved by addition of plasticizers.
Технические данные
| Количество | Стоимость | Е диница измерения | 3амечание |
|---|---|---|---|
| Свойства внешнего вида | |||
| Physical state | powder | ||
| Физические свойства | |||
| Viscosity | 120 - 280 | cP | |
| Bulk density | 0.21 | g/ml | |
| Тепловые свойства | |||
| Glass transition Temperature | 65 | ºC | |
| Melting point | 135 - 210 | ºC | |
| Auto-ignition temperature | >380 | ºC | |
| Химические свойства | |||
| Non-volatile materials | >97.5 | % wt | |
| Polyvinyl alcohol content | 12 - 16 | % | |
| Water absorption | 3 - 5 | % | |
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