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Polyvinyl Alcohol (PVA)

Name: Polyvinyl Alcohol (PVA) поставщик | Ruifen Chemicals
SKU: 9002-89-5

Polyvinyl Alcohol (PVA) — химический продукт для промышленного производства и разработки рецептур. Ruifen Chemicals предлагает оптовые поставки, техническую документацию, документы качества и международную логистику. Свяжитесь с нами для получения спецификаций и информации о наличии.

Характеристики

Ключевые свойства и преимущества

Forms excellent, strong, and durable films.
Provides strong adhesive properties for diverse materials.
Offers high resistance to oils, greases, and organic solvents.
Functions effectively as an emulsifying and dispersing agent.
Enhances cohesion, adhesion, and flexibility in construction applications.
Improves strength, printability, and surface properties of paper and textiles.
Highly versatile, ideal for a wide range of industrial uses.
Water-soluble, simplifying processing and cleanup.

Спецификации

Технические особенности

Grade: K-17
Appearance: White Granule or Powder
PVA Content (wt%): ≥93
Degree of Hydrolysis (mol%): 87.0-89.0
Viscosity (mPa.s): 17.0-22.0 (4% sol, 20℃)
Volatile Content (wt%): ≤5.0
pH Value: 5.0-7.0 (4% sol, 20℃)
Ash Content (wt%) (as Na2O): ≤0.5
Saponification Value (mgKOH/g): 135-155
Particle Size (wt%) (Passing 80 Mesh): ≥98

Практическое применение в отраслях

Области применения

Used in textile sizing to strengthen yarns, reducing breakage during weaving processes.
Functions as a primary component in various adhesives and glues, offering strong bonding capabilities.
Applied in the paper industry for coating and sizing to enhance paper strength and printability.
Serves as an additive in cement and mortar within the construction sector, improving workability and adhesion.
Acts as a protective colloid in emulsion polymerization, stabilizing polymer particles during synthesis.
Incorporated into paints and coatings to improve adhesion, film formation, and overall durability.