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Citric Acid Monohydrate
Original price was: $ 2.24.$ 2.12Current price is: $ 2.12.
Beeswax
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Polyvinyl Alcohol
Original price was: $ 2.25.$ 2.14Current price is: $ 2.14.
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Polyvinyl Alcohol is a synthetic, water-soluble polymer made by the hydrolysis of polyvinyl acetate. It is known for excellent film-forming, emulsifying, and adhesive properties. PVA is widely used across industries for applications requiring biodegradable, non-toxic, and flexible materials. It offers good chemical resistance, mechanical strength, and compatibility with other polymers and additives.
Description
Polyvinyl Alcohol
Primary Uses
- Adhesives & Coatings
- Used in paper, textile, and wood adhesives.
- Forms clear, flexible films and coatings with excellent adhesion.
- Applied in water-based paints and surface coatings for enhanced durability.
- Used in paper, textile, and wood adhesives.
- Textile Industry
- Used as a sizing agent to strengthen yarns during weaving.
- Improves fabric finish and reduces breakage.
- Serves as a binder in non-woven fabrics and textile finishing.
- Used as a sizing agent to strengthen yarns during weaving.
- Packaging Films
- Produces biodegradable, water-soluble films used in packaging detergents, agrochemicals, and pharmaceuticals.
- Used in pouches and bags that dissolve in water.
- Produces biodegradable, water-soluble films used in packaging detergents, agrochemicals, and pharmaceuticals.
- Paper Industry
- Acts as a coating agent and binder in paper production to improve printability and strength.
- Enhances resistance to oil, grease, and water.
- Acts as a coating agent and binder in paper production to improve printability and strength.
- Pharmaceuticals & Medical Applications
- Used in controlled drug delivery systems and tablet coatings.
- Ingredient in eye drops and contact lens solutions.
- Used in wound dressings and hydrogels.
- Used in controlled drug delivery systems and tablet coatings.
Secondary Uses
- Cosmetics
- Used as a film former and thickener in lotions and creams.
- Provides texture and stability in personal care products.
- Used as a film former and thickener in lotions and creams.
- 3D Printing
- Used as a water-soluble support material for complex 3D prints.
- Used as a water-soluble support material for complex 3D prints.
- Construction
- Used as a binder and additive in cement and mortar to improve workability and strength.
- Used as a binder and additive in cement and mortar to improve workability and strength.
- Agriculture
- Applied as a coating agent for seeds and agrochemical formulations.
KEY PRODUCT FEATURES
1. Basic Identification Attributes
- Chemical Name (IUPAC): Poly(1-hydroxyethylene)
- Common/Trade Name: Polyvinyl Alcohol, PVA
- CAS Number: 9002-89-5
- HS Code: 3905.30.00 (Polymers of vinyl alcohol)
- Synonyms: PVOH, Polyvinyl alcohol resin
2. Physical & Chemical Properties
- Physical State: White powder or granules
- Color: White
- Odor: Odorless
- Solubility: Soluble in water (degree depends on hydrolysis and polymerization)
- Melting Point: ~200 °C (decomposes)
- Density: 1.19–1.31 g/cm³
- Degree of Hydrolysis: Typically 80–99%
- Viscosity: Variable depending on molecular weight and solution concentration
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Toxicity: Low toxicity; generally regarded as safe
- Irritation Potential: May cause mild skin or eye irritation in dust form
- Flammability: Combustible in powder form
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, and well-ventilated area
- Container Type: Supplied in sealed bags or drums
- Shelf Life: Typically 2 years if stored properly
- Handling Precautions: Avoid dust formation; use dust mask and protective equipment when handling powder
5. Regulatory & Compliance Attributes
- Complies with:
- FDA regulations for food contact materials (where applicable)
- REACH and other international chemical safety standards
- USP/NF for pharmaceutical grades
6. Environmental & Health Impact
- Biodegradability: Biodegradable under aerobic conditions
- Ecotoxicity: Low environmental risk
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: Not classified as hazardous
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Gloves, dust mask, and safety goggles recommended during powder handling
- Handling Guidelines: Use local exhaust ventilation to minimize dust; avoid inhalation and prolonged skin contact
- Storage Measures: Keep containers tightly closed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if breathing difficulty occurs
- Skin Contact: Wash with soap and water; seek medical advice if irritation persists
- Eye Contact: Rinse with plenty of water for at least 15 minutes; seek medical attention if irritation continues
- Ingestion: Rinse mouth; seek medical advice if discomfort occurs
Firefighting Measures
- Fire Hazards: Combustible; powder form can form explosive dust clouds
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂
- Special Precautions: Avoid dust accumulation; use appropriate respiratory protection
- Hazardous Combustion Products: May produce carbon monoxide, carbon dioxide, and other toxic fumes
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