| Applications | Grade | Yellowness Test | Volatile substance content（%） | Hydroxyl content（%） | Acetal group Content (%) | Haze | Light Transmittance | Melt Index @120℃ (g/10min) | Free Acid Content (%) | Viscosity (10.0% PVB solution) mPa.s | Bulk Density (g/100mL) |
| PVB Interlayer | DVB201 | No visual yellowness | ≦ 1.5 | 17.0～20.0 | 75-80 | ≤0.40 | ≥87.0 | 0.90 -1.70 | ≤0.0100 | 1000～1400 | ≥ 14.0 |
| DVB202 | No visual yellowness | ≦ 1.5 | 17.0～20.0 | 75-80 | ≤0.40 | ≥87.0 | 1.30 -2.10 | ≤0.0100 | 900～1300 | ≥ 14.0 | |
| Electronic ceramic, coating, ink | Grade | Volatile substance content（%） | Butyl aldehyde content（wt%） | Hydroxyl content（wt%） | Free Acid Content (%) | Viscosity 23℃（mPa.s） | |||||
| DVB402 | ≦ 3.0 | 76.0 ~ 80.0 | 18.0 ~ 21.0 | ≦0.50 | 10~ 30 | ||||||
| DVB412 | ≦ 3.0 | 76.0 ~ 80.0 | 18.0 ~ 21.0 | ≦0.50 | 30~ 50 | ||||||
| DVB413 | ≦ 3.0 | 71.0 ~74.0 | 24.0 ~ 27.0 | ≦0.50 | 10~ 60 | ||||||
| DVB422 | ≦ 3.0 | 76.0 ~ 80.0 | 18.0 ~ 21.0 | ≦0.50 | 50~ 80 | ||||||
| DVB432 | ≦ 3.0 | 76.0 ~ 80.0 | 18.0 ~ 21.0 | ≦0.50 | 100~ 170 | ||||||
| DVB433 | ≦ 3.0 | 71.0 ~74.0 | 24.0 ~ 27.0 | ≦0.50 | 140~ 220 | ||||||
| DVB462 | ≦ 3.0 | 76.0 ~ 80.0 | 18.0 ~ 21.0 | ≦0.50 | 40~ 90* | ||||||
| DVB463 | ≦ 3.0 | 71.0 ~74.0 | 24.0 ~ 27.0 | ≦0.50 | 60~ 120* | ||||||
