PVA BP 20

China is one of the world's largest PVA production countries, since 1965 Beijing Oriental Petrochemical Co., LTD. (the former Beijing Organic Chemical plant) from Japan to introduce technology to build China's first set of calcium carbide acetylene method (from calcium carbide acetylene method to petroleum ethylene method in 1995) PVA production plant, China's PVA production has developed steadily.   According to statistics, in 2015, China's polyvinyl alcohol (PVA) production was about 700,000 tons, increasing to 802,000 tons in 2022, with a compound annual growth rate of 1.96% during the period. In terms of demand, the apparent consumption of PVA in China in 2022 was 639,600 tons, an increase of 2.16%. Common types such as PVA 2488, PVA 2088 and PVA 0588 are in great demand in various fields.   Output and consumption

Polyvinyl alcohol (PVA) is used in textile sizing, which is the process of applying a protective coating to yarn or fabric to enhance its weaving and handling properties. In textile sizing, various grades of PVA can be utilized, depending on the specific requirements of the sizing process and the desired characteristics of the finished textile product.   The selection of the PVA grade depends on factors such as the desired viscosity, film-forming properties, adhesion strength, and water solubility. Generally, medium-to-high molecular weight PVA grades with moderate viscosity are preferred for textile sizing applications. These grades offer good film-forming ability, excellent adhesion to the fibers, and compatibility with other sizing agents.   PVA-based sizing formulations may also include additional additives like lubricants, softeners, antistatic agents, and crosslinking agents to further enhance the performance and processability of the sized yarn or fabric.   It's worth noting that the specific PVA grade and formulation used for textile sizing can vary depending on the type of textile fibers being sized (e.g., natural or synthetic fibers), weaving techniques, and the desired properties of the final textile product.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

Water-soluble PVA film refers to a thin film made of polyvinyl alcohol (PVA) that can dissolve in water. PVA is a synthetic polymer that exhibits excellent solubility in water, making it suitable for various applications where easy dissolution is desired.   Water-soluble PVA film has several uses and advantages: 1. Packaging: PVA film is used in the packaging industry, particularly for products that require single-use or dissolvable packaging, such as detergent pods, dishwasher tabs, and personal care products. The film dissolves upon contact with water, eliminating the need for manual unwrapping or disposal.   2. Agriculture: PVA film is employed in agriculture as a biodegradable and water-soluble alternative to traditional plastic mulch films. It can be used to cover crops or seedlings, providing moisture retention, weed suppression, and improved germination, and it naturally degrades over time without leaving behind harmful residue.   3. Education and experimentation: Water-soluble PVA film is often utilized in educational settings and scientific experiments as a safe and convenient material. It can be used for demonstrations, encapsulation of ingredients, or as a release agent for molds, as the film dissolves easily in water.   4. Construction: PVA film finds applications in the construction industry, primarily in the creation of temporary supports or molds for concrete structures. The film can be wrapped around objects or used as a barrier, and once the concrete has set, the film can be dissolved with water, leaving a clean surface.   The biodegradability of PVA film is attributed to the water-soluble nature of PVA. When the film comes into contact with water, the water molecules penetrate and weaken the intermolecular forces holding the polymer chains together, leading to the dissolution and ultimate breakdown of the film into harmless substances.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.  

Polyvinyl alcohol (PVA) is a versatile polymer that has a wide range of applications in various household products. Some common household products that may contain PVA include:   Adhesives and Glues: PVA is commonly used in adhesives and glues, such as craft glue, white glue, and wood glue.   Laundry Detergents: PVA can be found in some laundry detergents as a film-forming agent that helps prevent dye transfer and improve the appearance and durability of fabrics.   Dishwashing Detergents: PVA may be present in certain dishwashing detergents as a thickener or stabilizer, helping to create a desired consistency and enhance the cleaning performance.   Personal Care Products: PVA can be found in various personal care products like shampoos, conditioners, hair sprays, and styling gels. It functions as a film-forming agent, providing hold, shine, and humidity resistance to hair.   Eye Drops and Artificial Tears: PVA is used in some eye drops and artificial tears to provide lubrication and relieve dryness and discomfort in the eyes.   Surface Coating and Sealants: PVA-based coatings and sealants are used for various applications, including wood coatings, paper coatings, and surface sealing agents.   Slow-Release Fertilizers: PVA can be incorporated into slow-release fertilizers to control the release of nutrients over an extended period, improving plant growth and reducing nutrient leaching.   It's important to note that the specific formulation of household products may vary, and not all products in these categories will necessarily contain PVA. Always refer to the product labels or consult the manufacturers for accurate information on product composition.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.  

RDP emulsion refers to a Redispersible Polymer Powder (RDP) emulsion. RDP is a polymer powder that can be easily dispersed in water to form a stable emulsion. It is typically composed of polymer resins, plasticizers, and other additives.   RDP emulsions are commonly used in various industries, including construction, coatings, and adhesives. Some of their main uses include:    1. Construction Applications: RDP emulsions are widely used in construction applications, such as tile adhesives, grouts, self-leveling compounds, and cement/render mortars. They enhance the workability, adhesive strength, and flexibility of these materials, improving their performance and durability.   2. Coatings and Paints: RDP emulsions are utilized in water-based coatings and paints. They contribute to improved film formation, bonding strength, and water resistance. RDP emulsions are commonly used in exterior paints, interior wall coatings, and decorative finishes.   3. Textile Applications: RDP emulsions can be used as binders in textile printing and finishing processes. They help improve the adhesion of dyes and pigments to textiles, enhance color fastness, and provide fabric stiffness and durability.    4. Adhesives: RDP emulsions are employed in various adhesive formulations, such as wood adhesives, paper bonding adhesives, and laminating adhesives. They improve the adhesive strength, tackiness, and bonding performance of the adhesives.   5. Other Applications: RDP emulsions find use in other areas, including paper coatings, leather treatments, and ceramic applications.   Overall, RDP emulsions play a crucial role in enhancing the performance and properties of various products, providing improved adhesion, flexibility, water resistance, and durability.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

Polyvinyl alcohol (PVA) eye drops are a type of lubricating eye drops used to relieve dryness, irritation, and discomfort in the eyes. PVA is a water-soluble polymer that forms a protective film on the surface of the eye, providing lubrication and moisturizing effects.   The advantages of PVA eye drops include:  Lubrication: PVA forms a smooth and slippery coating on the eye surface, reducing friction and improving comfort. Moisturization: PVA eye drops help retain moisture in the eyes, preventing dryness and relieving symptoms associated with dry eye syndrome. Compatibility: PVA is compatible with the natural tear film of the eye, making it well-tolerated and suitable for long-term use. Clarity: PVA eye drops are clear and do not cause blurry vision, allowing for clear vision after application. Preservative-free options: Some PVA eye drops are available in preservative-free formulations, which are recommended for individuals with sensitivity to preservatives. Versatility: PVA eye drops can be used by individuals wearing contact lenses, as they provide moisture and lubrication without interfering with lens wear.   However, it's important to note that individual experiences may vary, and it is best to consult with an eye care professional for proper diagnosis and recommendation of eye drops suitable for your specific needs.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.    

Polyvinyl alcohol (PVA) fibers and polypropylene fibers are two different types of synthetic fibers used in various applications. Here are some differences between the two: Material: PVA fibers are made from polyvinyl alcohol, while polypropylene fibers are made from polypropylene. The chemical composition of the two materials is different, resulting in differences in their properties. Strength: PVA fibers have higher tensile strength compared to polypropylene fibers. This means that PVA fibers are generally stronger and more resistant to breaking or stretching. Water Solubility: PVA fibers are water-soluble, meaning they can dissolve in water. This property allows them to be used in applications where temporary support or reinforcement is needed, such as in concrete or fabric manufacturing. On the other hand, polypropylene fibers are not soluble in water and are more resistant to moisture. Chemical Resistance: PVA fibers are more chemically resistant compared to polypropylene fibers. They can withstand exposure to acids, alkalis, and organic solvents, making them suitable for applications where chemical resistance is required. Thermal Properties: PVA fibers have a lower melting point than polypropylene fibers. This means that PVA fibers are more susceptible to heat and can melt or lose their structural integrity at lower temperatures compared to polypropylene fibers. Cost: Polypropylene fibers are generally less expensive compared to PVA fibers. The cost difference is mainly due to differences in raw material costs and manufacturing processes.   It's important to consider the specific requirements and intended application when choosing between PVA fibers and polypropylene fibers, as their different properties can make them more suitable for specific applications.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.  

PVA (#Polyvinyl alcohol) fiber is commonly used as a reinforcing material in concrete. Here are some advantages of using PVA fiber in concrete: Enhanced tensile strength: PVA fiber improves the tensile strength of concrete, making it more resistant to cracking and structural failure. Improved durability: The inclusion of PVA fiber in concrete enhances its resistance to freeze-thaw cycles and reduces the risk of cracking due to temperature variations. This improves the overall durability of concrete structures. Increased impact resistance: PVA fiber reinforcement improves the impact resistance of concrete, making it more resistant to damage from heavy loads, impact forces, and dynamic loads. Enhanced crack control: PVA fibers help control the formation and propagation of cracks in concrete. They act as micro-reinforcement, distributing stress and preventing cracks from widening. Reduced shrinkage cracking: PVA fiber mitigates the risk of shrinkage cracking in concrete by reducing the drying shrinkage and minimizing the formation of shrinkage cracks. Improved workability: PVA fibers enhance the workability of concrete, making it easier to handle, pump, and place. They improve the cohesiveness and consistency of the concrete mix. Increased fire resistance: PVA fibers improve the fire resistance of concrete by reducing the propagation of flames and minimizing the risk of spalling. Enhanced resistance to chemical attack: PVA fibers exhibit good resistance to various chemicals, including acids and alkalis, which can help protect concrete from chemical degradation. The use of PVA fiber in concrete offers numerous advantages, including increased strength, enhanced durability, improved crack control, and better resistance to various external factors. These benefits make PVA fiber a valuable reinforcement material in concrete construction.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.  

Concrete with PVA fiber refers to a type of concrete mixture that incorporates polyvinyl alcohol (PVA) fibers into its composition. PVA fibers are synthetic fibers made from polyvinyl alcohol polymer. When added to concrete, these fibers enhance its strength, durability, and crack resistance.   The presence of PVA fibers in concrete helps to distribute stress more evenly throughout the material, reducing the formation and propagation of cracks. These fibers act as reinforcement, improving the tensile strength and impact resistance of the concrete. Additionally, PVA fibers improve the durability of concrete by reducing shrinkage and controlling the formation of microcracks.   The use of PVA fiber in concrete is beneficial in various applications, especially in areas where concrete structures are subjected to heavy loads, thermal stresses, and environmental factors. It finds application in industrial floors, bridge decks, pavements, precast elements, shotcrete, and other demanding construction projects.   Overall, concrete with PVA fiber offers enhanced mechanical properties, improved crack control, and increased durability, making it a favorable choice in demanding construction applications.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.  

Polyvinyl alcohol (PVA is known for its due to its unique molecular structure and intermolecular interactions. are a few reasons why PVA exhibits strong properties1. Polymer Chain: PVA is linear polymer of repeating units of vinyl (CH2CHO). The hydroxyl groups (-OH present in the polymer chain contribute to hydrogen bonding, which enhances intermolecular interactions and strengthens the material.   Crystallinity: PVA can form crystalline regions within its structure, which adds to its strength. The degree of crystallinity can be controlled through factors such as molecular weight, polymerization process, and solvent conditions.   Crosslinking: PVA can be crosslinked through chemical or physical processes. Crosslinking creates additional covalent bonds between polymer chains, resulting in a three-dimensional network structure that enhances the material's mechanical strength and stability.   Water Accessibility: PVA is highly soluble in water, allowing water molecules to penetrate the polymer matrix. Water acts as a plasticizer and lubricant, improving the mobility of polymer chains and enhancing its overall toughness and flexibility.   High Molecular Weight: PVA with higher molecular weight generally exhibits better mechanical properties, including tensile strength and impact resistance. The long polymer chains provide entanglement and structural integrity, contributing to its overall strength.   Overall, the combination of hydrogen bonding, crystallinity, crosslinking, water accessibility, and molecular weight contributes to the exceptional strength of PVA. These properties make it a versatile material widely used in various industries, including adhesives, coatings, films, and textiles.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards  

PVA (Polyvinyl Alcohol) and PVC (Polyvinyl Chloride) are two different polymers with distinct properties and uses.   Composition: PVA is a water-soluble synthetic polymer derived from vinyl acetate monomer. PVC, on the other hand, is a thermoplastic polymer derived from vinyl chloride monomer. Solubility: PVA is highly soluble in water, while PVC is not soluble in water. Physical Properties: PVA is a flexible, transparent, and typically white solid. It can form films and exhibits excellent adhesive properties, making it suitable for applications such as glue, coatings, and packaging. PVC, on the other hand, is a rigid, white or grey material that can be molded, shaped, and extruded into various products like pipes, fittings, and vinyl flooring. Chemical Resistance: PVA is susceptible to degradation in the presence of acids, alkalis, and organic solvents. PVC, on the other hand, is generally resistant to acids and alkalis, making it suitable for applications where chemical resistance is required. Biodegradability: PVA is considered biodegradable under certain conditions, while PVC is not readily biodegradable and can persist in the environment for a long time. Applications: PVA is commonly used in various industries such as adhesives, packaging, textiles, and papermaking due to its adhesive properties and water solubility. PVC is widely used in construction, electrical insulation, piping systems, and vinyl products.   In summary, PVA and PVC are distinct polymers with different properties and applications. PVA is water-soluble, adhesive, and flexible, while PVC is rigid, chemically resistant, and commonly used in construction applications.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards

There are two main types of polyvinyl (PVA) based on the degree of hydrolysis, which refers to the extent to which the vinyl acetate monomers in PVA have been converted to vinyl alcohol units.   Fully Hydrolyzed PVA: This type of PVA has undergone complete hydrolysis of the vinyl acetate units, resulting in a high degree of hydrolysis and a high concentration of vinyl alcohol units. Fully hydrolyzed PVA has excellent water solubility and forms strong and stable films after drying. It is widely used as an adhesive, binder, film-forming agent, and thickener in various industries such as papermaking, textiles, packaging, construction, and personal care products.   Partially Hydrolyzed PVA: Partially hydrolyzed PVA has undergone partial hydrolysis of the vinyl acetate units, resulting in a moderate degree of hydrolysis and a lower concentration of vinyl alcohol units compared to fully hydrolyzed PVA. This type of PVA combines the advantages of both PVA and its precursor, polyvinyl acetate (PVAc). Partially hydrolyzed PVA is commonly used as a protective colloid, emulsion stabilizer, and dispersing agent in the production of adhesives, paints, coatings, and textile printing pastes.   Both fully hydrolyzed PVA and partially hydrolyzed PVA have their specific applications and properties, and their usage depends on the desired characteristics and requirements of the end product in various industries.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards