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Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Kuraray Polyvinyl Alcohol PVA

This Kuraray Polyvinyl alcohol PVA series combines controlled hydrolysis technology with tailored molecular architectures. Engineered for high-purity applications, the formulations balance aqueous solubility with mechanical integrity through optimized chain configurations, achieving durable film formation and substrate adhesion without compromising process efficiency.

The series excels in environments requiring simultaneous material cohesion and controlled dissolution. Its oil-resistant backbone ensures stable performance in chemical-intensive applications like PVC dispersion stabilization, while the thermally stable structure (up to 180°C processing) supports high-temperature coating operations. The low-foam variants minimize bubble formation during high-shear mixing, enhancing production continuity in adhesive manufacturing and textile sizing processes.


  • kuraray-pva
  • kuraray-pva

Features Of Kuraray Polyvinyl Alcohol PVA

  1. Optimized Solubility: Partially hydrolyzed structure ensures balanced water solubility and film integrity

  2. Versatile Viscosity: Medium viscosity range enables smooth application in various formulations

  3. Enhanced Chemical Resistance: Provides excellent resistance to oils, chemicals and harsh environments

  4. Strong Adhesion: Bonds effectively to porous substrates while maintaining film clarity

Typical Applications Of Kuraray Polyvinyl Alcohol PVA

  1. Adhesive Systems: Used in construction adhesives and bonding applications requiring foam reduction

  2. Paper Coatings: Improves surface quality and printability in paper finishing processes

  3. Textile Processing: Enhances fiber treatment in sizing and dyeing applications

  4. Specialty Films: Suitable for water-soluble packaging and controlled-release films

Specifications Of Kuraray Polyvinyl Alcohol PVA

ModelDegree of Saponification (Hydrolysis)Volatile MatterpH (10% Solution)Viscosity (4% Aqueous, 20°C)
PVA 20588 ± 0.5 mol%≤5.0%5.0–7.021–25 mPa·s
PVA21788 ± 0.5 mol%≤5.0%5.0–7.021–25 mPa·s
PVA22488 ± 0.5 mol%≤5.0%5.0–7.021–25 mPa·s
PVA50588 ± 0.5 mol%≤5.0%5.0–7.021–25 mPa·s
PVA 205S88 ± 0.5 mol%≤5.0%5.0–7.021–25 mPa·s
PVA 205MB88 ± 0.5 mol%≤5.0%5.0–7.021–25 mPa·s
PVA420H87.0–89.0 mol%≤5.0%5.0–7.020–24 mPa·s
PVA KL31888 ± 0.5 mol%≤5.0%5.0–7.021–25 mPa·s
PVA23587.0–89.0 mol%≤5.0%5.0–7.020–24 mPa·s
PVA224 (2nd entry)87.0–89.0 mol%≤5.0%5.0–7.020.5–24.5 mPa·s



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