PVA 24-88 – Polyvinyl Alcohol (High-Viscosity Grade)

🧪 CAS Number: 9002-89-5

🌟 Product Description

PVA 24-88 is a high-viscosity type of polyvinyl alcohol, soluble in water. It provides strong adhesion, excellent film strength, and superior chemical stability, making it ideal for textile, paper, adhesive, and coating applications. It is especially suited for processes requiring durable film layers.

🏭 Applications

👕 Textile sizing and finishing

📄 Paper surface treatment and binder

🧴 Adhesive and emulsion additive

🎨 Film former in paints and coatings

⚗ Emulsifier and dispersant in chemical industry

📊 Physical & Chemical Properties

Appearance: White powder or granules

Odor: Odorless

Formula: (C₂H₄O)n

Degree of Hydrolysis: 87–89 %

Viscosity: ~23–27 mPa·s

Volatile Matter: ≤5 %

Ash Content: ≤0.5 %

pH: 5–7

Purity: ≥93.5 %

⚠️ Storage & Safety

Store in cool, dry, and well-ventilated areas in sealed packaging. Protect from direct sunlight and keep away from volatile or flammable substances. Avoid skin and eye contact, use protective equipment.

🔑 Keywords

PVA 24-88, polyvinyl alcohol, high viscosity PVA, film former, adhesive additive, emulsifier

📛 Other Names

BP-24, PVA-224, GL-24