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Description:
Vinyl chloride-vinyl acetate copolymer resin is produced by advanced micro-suspension copolymerization technology. Due to the introduction of vinyl acetate into the rigid chain of PVC, the polarity between PVC molecules is weakened and the attraction between molecules is reduced. Compared with the homopolymeric PVC paste resin, the gelation temperature and melting temperature are significantly lower (30-40℃). In addition, due to the introduction of the ester group, the dissolution rate of the resin and the plasticizer is improved, and the adhesion between the resin and various adhesive base materials is enhanced.
Specification：
| Item | Values | |
| Resin | Appearance | White powder |
| Polymerization degree | 900~1100 | |
| Volatile component, %, ≤ | 1 | |
| Bulk density，g/cm3 | 0.20-0.45 | |
| Vinyl acetate content, % | 3~5 | |
| Mixture | B-type viscosity（30℃）mPa·s | 1000~6000 |
| Resin: DOP=100:65 12rpm | ||
| Scratch granularity, μm, ≤ | 50 |
Applications:
As an important material for reducing processing temperature, increasing plasticizing temperature and improving product performance, it is widely used in PVC automotive plastisol (including chassis anti-stone chip coating, body weld sealant spot welding glue, filter element glue, buffer glue, etc.), PVC tile carpet backing adhesive, printing ink, heat-sensitive fabric coating, pond plastic heel, tarpaulin and chemical foam products and other industries, can replace Similar foreign products.
Package：
20kg three layers of paper bag, or plastic woven bag (20 + 0.2kg).Distinguishing color mark of letter written on bag , PSM-31 type-red.
Store and transport：
It is prevented from moisture, rain, snow and exposure , throwing and other mechanical damage.
20kg three layers of paper bag, or plastic woven bag (20 + 0.2kg).Distinguishing color mark of letter written on bag , PSM-31 type-red.
Store and transport：
It is prevented from moisture, rain, snow and exposure , throwing and other mechanical damage.
