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Good Anti-blocking Properties Polyvinyl Butyral Resin For Primer
Polyvinyl butyral (PVB) resin is white fine powder,has good adhesion to polyolefins, metal, cellulose acetate, polyester, cellophane paper, polyamide and polystyrene film.
Appearance: Tiny, free flowing white powder
SPECIFICATIONS:
| Item | Volatile content | Non volatile content | Butyral content | Acetate content | Hydroxy content | 10% viscosity | Free acid |
| Unit | Wt-% | Wt-% | Wt-% | Wt-% | Wt-% | mpa.s | MgKOH/g |
| DR-50 | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 7-9 | ≤0.5 |
| DR-40 | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 9-14 | ≤0.5 |
| DR-30 | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 14-20 | ≤0.5 |
| DR-20 | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 20-30 | ≤0.5 |
| DR-20SP | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 25-40 | ≤0.5 |
| DR-16 | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 30-55 | ≤0.5 |
| DR-17 | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 35-60 | ≤0.5 |
| DR-18 | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 80-110 | ≤0.5 |
| DR-13 | ≤2.0 | ≥98.0 | 76-85 | ≤3.0 | 12-17 | 160-260 | ≤0.5 |
Product’s main characteristics:
1.Low viscosity PVB resin as the foundation of the printing ink shows a low solvent resistance, good liquidity, good waterproof, which could be independently used as the basic resin, and could be used together with alcohol soluble nitrocellulose, alkyd resin, maleic resin and other natural polymer;
2.Suggested quantity added to: 18-30% for DR-40; 15-20% for DR-30; 10-15% for DR-20; 5-15% for DR-16/DR-17/DR-18;
3.Dissolve under normal temperature (25 ℃ ), the dissolution time is 30 minutes min., this characteristic has greatly increased the ink’s solubility;
4.Low viscosity PVB resin has good wettability and pigment dispersion;
5. Non-toxic, tasteless, odorless, no aromatic element, no heavy metal, no plasticizer, is the first choice of resin for environment friendly printing ink.
Storage:
Under a dry and cool (25 ℃ or less) condition, the product can be stored for at least 12 months if sealed in original packaging.
Preventive measures: during the operation process of dissolving,appropriate take safety measures, and prevent electrostatic.
