Premium Grade Polyvinyl Alcohol Powder for Versatile Use

• CAS No.: 9002-89-5
• Formula: (C2h4o)N
• EINECS: 209-183-3
• Model NO.: PVA 17-88(088-20)
• Classification: Aromatic Alcohol
• Appearance: Powder
• Type: PVA
• Hydroxyl No.: Monohydroxy
• Specific Gravity: 1.23-1.31g/cm3
• Flake PVA Filling Specific Gravity: 0.42-0.52g/cm3
• Flocculated PVA Filling Specific Gravity: 0.02g/cm3
• pH: 5.00-7.00
• Viscosity(Cps): 44.0-50.0
• Hydrolysis(Mole%): 86.0-89.0
• Volatile(Wt%): Less Than 5.00
• Ash(Wt%): Less Than 0.5
• Transport Package: 25kg Per Bag in Woven Bag
• Specification: Please find the below details
• Trademark: Chinese Brands or OEM
• Origin: China
• HS Code: 3905300000
• Production Capacity: 350, 000 Metric Ton Per Year

Product Description

Product Description

Product Introduction

Polyvinyl alcohol
PVA
 
Molecular composition and structure :(CH3CHCOOCH3) x (CH2CHOH) y
Where, x + y represents the degree of polymerization, and y/ (x + y) represents the degree of alcoholysis
 
Physical properties:
Appearance is white flake, granular or powdery solid (low alkali alcoholysis process) or white flocculent solid (high alkali alcoholysis process). Specific gravity: 1.23-1.31g/cm3, flake PVA filling specific gravity: 0.42-0.52g/cm3, flocculated PVA filling specific gravity: 0.20-0.27g/cm3.
 
 
Chemical properties:
The structural formula of PVA is -[CH2CH(OH)] N -, where N represents the average degree of polymerization. The basic properties of PVA are determined by its average degree of polymerization and alcoholysis, but there are more than 10 irregular structures in PVA molecules, which greatly affect its properties.
(1) Water solubility: PVA molecule is soluble in water because it contains a large number of hydroxyl groups. Its solubility increases with the increase of water temperature, only expansion in cold water (low alcoholysis products can slowly dissolve in normal water), in hot water can be completely dissolved, its aqueous solution has good film formation and cohesiveness.
(2) Thermal stability: this series of products soften when heated, there is no significant change below 40ºC, over 160ºC for a long time heating will gradually color, above 220ºC decomposition, water, acetic acid, acetaldehyde and butenal.
(3) Chemical resistance: this series of products are almost not affected by weak acid, weak alkali or organic solvent, high oil resistance.
(4) Storage stability: this series of products have good stability, no mildew, no deterioration, no moisture absorption in the natural dry state storage for a long time.
(5)PVA is a kind of polymer with secondary hydroxyl group. The secondary hydroxyl group in the molecular formula of PVA has high activity, and can carry out typical chemical reactions similar to low molecular alcohol, such as esterification, etherification, acetal, etc., and also react with many inorganic and organic compounds. Harmless to people and animals, can be naturally degradable, known as green products.
 
Storage and transportation conditions and market application
(1) Polyvinyl alcohol (PVA) is made from vinyl acetate by polymerization reaction, alcoholysis, is a kind of white, stable, harmless water-soluble polymer, can quickly dissolve in water, forming a stable colloid, water is a good solvent.
(2) Polyvinyl alcohol resin (PVA) aqueous solution has good film formation and emulsification. The formed film has different adhesion force, solvent resistance, friction resistance, tensile strength and oxygen resistance. Polyvinyl alcohol resin (PVA) has both hydrophilic and hydrophobic functional groups, so it is a material with interfacial activity, so it can be used as a protective colloid in polymer emulsification and suspension polymerization reaction.
(3) Polyvinyl alcohol resin (PVA) is mainly used in the production of synthetic fiber, plastics, adhesives, coatings, new building materials and other products, and is widely used in chemical industry, textile, printing and paper making, leather industry, construction and other industries and fields.
 

Product Parameters

 

PH	5.00-7.00
Viscosity(cps)	44.0-55.0
Hydrolysis(mole%)	86.00-89.00
Volatile(wt%)	Less than 5.00
Ash(wt%)	Less than 0.50

 

Detailed Photos

 

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Company Profile

Company Introduction
Suzhou Trillion Shine Import & Export Co.,Ltd (Trillion Shine) is a leading Chinese supplier of polyvinyl alcohol(PVA), and we also provide services for sourcing all related products of polyvinyl alcohol industry from China, we have been involving in this industry since 2009.

Relying on Chinese complete industry Chain and enjoying price advantages, we provide customers with premium products, reasonable prices,and on-time services.  Trillion Shine has a professional technique team who has been in this industry for more than 16 years, consists of advanced mechanics, engineers and professors. Powerful technical capabilities extend our core competence to analysis of customer's demand and provide customer with satisfying service.  

Trillion Shine has already established business relations with customers from South America, North America, Europe, Middle East, Southeast Asia and South Asia, obtained the customer affirmation and faith. The good faith manner,the premium quality product, the exquisite service and the customer first principle are Trillion Shine's service objective. Trillion Shine sincerely wish to establish stable business relationship with customers all over the world, please feel free to contact with us.