PVA 1799

Polyvinyl Alcohol (PVA) 1799 is a fully hydrolyzed, high-purity synthetic polymer derived from the hydrolysis of polyvinyl acetate. It features a hydrolysis degree of approximately 99 mole% and a polymerization degree typically around 1700, making it a versatile water-soluble polymer with balanced mechanical strength, adhesion, and film-forming properties.

Key Characteristics
Appearance: White or cream-colored granular powder.
Solubility: Soluble in hot water (85–95°C) but exhibits limited solubility in cold water.
Viscosity: Medium viscosity in aqueous solutions, adaptable for formulations requiring controlled flow and binding performance.
Thermal Stability: Excellent resistance to heat and organic solvents.
Biodegradability: Environmentally friendly and non-toxic, complying with industrial safety standards.

Descriptions

Equivalent Grades:

Product Parameter (Specification)

Item	Index
Hydrolysis (mole %)	98.0 ~ 99.9
Viscosity (mPa.s)	22.0 ~ 30.0
Volatile (wt%)	≤ 5.0
Ash (wt%)	≤ 0.5
pH Value	5 ~ 7
Purity (%)	≥ 93.5
Particle Size	Flake, 10 ~ 80mesh

Application:

For Vinylon fiber

Warp sizing agent for cotton or rayon spun yarn, paper surface sizing

Color coating binder

Adhesive for paper

Protective colloid for PVAc emulsion,

PVA film

PVA sponge

Modifier for thermosetting resin,

Binder for ferrite,

Binder for non-woven fabrics

Packing:

Kraft paper package with plastic film inside, 20kg/25kg per bag, or woven bag 500KG per bag.

Storage:

The products should be stock indoor where room temperature is 5-30℃, dry & well-ventilated place, storage by batches. Keep away from the power, prevent humid, and avoid sun exposure. It is strictly forbidden to store together with volatile chemicals to prevent adsorption deterioration.

Transportation:

When transporting, clean vehicles are required, need pay attention to avoid moisture, rain and sun protection. Handle with care to prevent damage the packaging. It is strictly forbidden to store together with volatile chemicals to prevent adsorption deterioration

FAQ

Quality guarantee: Quality is strictly meet with contract/PI requirement.

Technical support: Any technical question will be solved within 24 hours by email or telephone.

Prompt delivery: The order will be prompt delivered within 15 days.

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