Product name :Polyvinyl Butyral
CAS NO.:63148-65-2
H.S.Code:39059990
MF:C16H28O5
EINECS No.:613-158-6
Appearance:white powder
Polyvinyl Butyral
Technical Parameters
Adhesive Grade
| TIME AND INDEX | E-10 | E-20 | E-30 | E-40 | E-50 | E-60 | E-70 |
| Appearance | White or slightly yellow power,no visible impurity | ||||||
| Volatile,%,≤ | 3.0 | ||||||
| Viscosity,S(-1 viscometer method) | ≤5 | 5~10 | 10~18 | 18~30 | 30~60 | 60~180 | >180 |
| Hydrogen chloride,%,≤ | 0.05 | ||||||
| Polyvingl butyrdsf,% | 68~85 68~85 70~85 | ||||||
| Ash,%,≤ | 0.05 | ||||||
Film Grade
| TIME AND INDEX | T10 |
| Appearance | white or slightly yellow powder,NO visible impurity |
| Oxhydryl,% | 17~20 |
| Volatile,%,≤ | 2.0 |
| Hydrogen chloride,≤ | 0.01 |
| ET2H %,≤ | 0.05 |
| Viscosity, mPa.S | 180-280 |
| Transparency,% | ≥95(430nm wavelength spectrophotometer) ≥98(660nm wavelength spectrophotometer) |
| Melt index, g/10min | 0.80-2.20 |
| Film(transmittance) %,≤ | 89 |
| Film(Haze),%,≤ | 0.30(Grade a) 0.40(Grade b) 0.60(Grade c) |
| Yellow index,%,≤ | 0.50(Grade a) 0.60(Grade b) 0.80(Grade c) |
| Desity, g/cm3,≥ | 0.2 |
Application
- Polyvinyl butyral resin(PVB) is the synthertic resin composed of PVA and butyl aldehyde with condensation reaction.
- Polyvinyl butyral resin(PVB) Adhesive grade are widely used in paper base copper clad,thermal transfer ink, cypress paper printing ink, glue metal protection primer,badminton,ceramic color paper,aluminum foil adhesive,electronic ceramics,silk screen printing ink,casting and resin grinding wheel, straw hat,fiber treating agent and cellulose sponge,etc.
- Polyvinyl butyral resin(PVB) film grade are used in PVB film which is a important new material in aerospace automotive and safety glass industries.
Package
Woven bag with inner plastic bag.
