Poly Vinyl Alcohol Pva

Poly Vinyl Alcohol Pva Specification

Solubility
Soluble in water

Molecular Weight
Varies depending on polymerization (approx. 44,000 - 186,000 g/mol)

Smell
Odorless

Ph Level
5.0 - 7.5 (4% solution)

Refractive Rate
1.49

Shape
Powder/Granular

Purity
98%

Structural Formula
[-CH2-CHOH-]n

Melting Point
200-230C (decomposition)

Taste
Odorless and tasteless

Form
Solid

Storage
Keep in tightly closed container, away from moisture

Boiling point
Not applicable (decomposes)

Molecular Formula
(C2H4O)n

Density
1.31 Gram per cubic centimeter(g/cm3)

Poisonous
Yes

HS Code
390530

Other Names
PVA

Classification
Synthetic Resin

Chemical Name
Polyvinyl alcohol

CAS No
9002-89-5

EINECS No
209-183-3

Grade
Industrial Grade, Food Grade available

Standard
GB/T 12010.3-2010 or as specified

Type
Synthetic polymer

Usage
Industrial, laboratory

Main Material
Polyvinyl alcohol

Application
Textile sizing, adhesive, paper coating, emulsion polymerization, cosmetics, pharmaceuticals

Non Toxic
Yes

Biodegradability
Readily biodegradable

Viscosity (4% solution at 20C)
4-60 mPas (varies by grade)

Moisture Content
5%

Packaging
25 kg bags, jumbo bags, customizable

Shelf Life
2 years under recommended storage

Film Forming Ability
Excellent

Compatibility
Compatible with many synthetic and natural resins

pH of 1% Solution
5.0 - 7.0

Hydrolysis Degree
87-99% (depending on grade)

Appearance
White or off-white powder/granules

About Poly Vinyl Alcohol Pva

Packaging Details	25 kg Bag
Grade Standard	Industrial Grade
Purity %	>99%
Synonyms	PVA
Usage/Application	Industrial

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Exceptional Versatility in Industrial Applications

Poly Vinyl Alcohol (PVA) stands out for its adaptability across various industries. Its excellent film formation, water solubility, and compatibility with a range of materials make it a popular choice in textiles, adhesives, paper manufacturing, and specialty chemical processes. Its grades accommodate both industrial and food-related applications.

Eco-Friendly and Safe for Users

PVA is recognized for being readily biodegradable and non-toxic. Free from notable odor or taste, it poses minimal risks in handling and end-use. With compliance to safety and quality standards such as GB/T 12010.3-2010, this synthetic resin meets the essential requirements for sustainable and safe material solutions.

Reliable Performance and Easy Handling

This product's controlled moisture content, reliable shelf life, and stable packaging options ensure consistent performance during storage and usage. Supplied as a powder or granular solid, it is convenient to measure, dissolve, and incorporate into existing manufacturing processes.

FAQ's of Poly Vinyl Alcohol Pva:

Q: How is Poly Vinyl Alcohol (PVA) typically used in industrial processes?

A: PVA is primarily used for textile sizing, as an adhesive, for paper coatings, in emulsion polymerization, and in formulations for cosmetics and pharmaceuticals. Its film-forming ability and water solubility make it ideal for these applications.

Q: What are the recommended storage conditions for PVA to maintain its quality?

A: PVA should be stored in tightly closed containers, in a dry environment away from moisture and direct sunlight. Proper storage under these conditions helps maintain its properties and ensures a shelf life of up to 2 years.

Q: When should different viscosity grades of PVA be selected?

A: The choice of viscosity (ranging from 4-60 mPas for a 4% solution at 20C) depends on the specific application requirements, such as film thickness, adhesive strength, or solution handling characteristics. Lower viscosity grades are suited for coatings or sprays, while higher grades may enhance film strength or adhesive performance.

Q: Where can PVA offer environmental benefits?

A: PVA is readily biodegradable, so it reduces environmental impact compared to non-biodegradable polymers. This property is particularly advantageous in applications where residue may enter wastewater or composting systems.

Q: What are the safety considerations and benefits of using PVA?

A: PVA is non-toxic, non-poisonous, odorless, and tasteless, making it safe for use in a range of industries, including food and pharmaceuticals. It meets latest safety and purity standards, providing peace of mind for both users and manufacturers.

Q: How is PVA supplied and what packaging options are available?

A: PVA is typically delivered as a solid powder or granule in 25 kg bags. Jumbo bags and customized packaging options are also available upon request to meet specific volume or handling requirements.

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