PVA for Sale

PVA 1799 for sell at Camachem

PVA 1799, one of the grades of PVA

What is PVA?

PVA stands for polyvinyl alcohol, which is a polymeric compound that is soluble in water. PVA was first developed in Germany by the Nobel Laureate Dr. Hermann Staudinger, and further developed in Japan. It's usually found in bead or solution form on the market, and industrially it can be made through the hydrolysis of polyvinyl acetate or any other vinyl ester derived polymer belonging to the formate or chloroacetate group.

Different Grades of PVA

There are different grades of PVA sold on the market. This could occur due to different levels of polymerization during the making process. Although it seems that these different types are the same chemical, they are suitable for different purposes. Here we list some of the PVA sold on the market and their specifications:

PVA Types

Degree of Alcoholysis (mol/mol) %

Viscosity (mPa.s)

Volatile (%)

Sodium Acetate (%)

pH range

PVA 2488

86.0 – 90.0

40.0 - 55.0

5.0

2.5

5-7

PVA 2499

99.0 – 100.0

54.0 - 64.0

6.0

2.5

5-7

PVA 1788

86.0 – 90.0

20.0 – 28.0

5.0

2.5

5-7

PVA 1799

99.0 – 100.0

20.0 – 28.0

5.0

2.5

5-7

PVA 1492

90.0 – 94.0

14.0 – 18.0

5.0

2.5

5-7

PVA 1498

98.0 – 99.8

12.0 – 17.0

5.0

2.5

5-7

PVA 0588

86.0 – 90.0

5.0 – 6.0

5.0

2.5

5-7

PVA 0599

98.0 – 99.0

5.0 – 6.0

5.0

2.5

5-7

PVA 0488

86.0 – 90.0

3.5 – 4.5

5.0

2.5

5-7

PVA 0499

98.0 – 99.0

4.0 – 5.0

5.0

2.5

5-7

PVA 1792

90.0 – 94.0

20.0 – 30.0

5.0

2.5

5-7

PVA 1798

97.0 – 99.0

21.0 – 31.0

5.0

2.5

5-7

PVA 2088

86.0 – 90.0

28.0 – 40.0

5.0

2.5

5-7

PVA 2099

98.0 - 100

32.0 – 40.0

5.0

2.5

5-7

PVA 2699

98.0 - 100

60.0 – 75.0

5.0

2.5

5-7

What’s PVA used for?

Application

Common Product Models

Usage Summary

Textile Processing

1799、 1788

As a slurry and modifier, it is applied to the adhesion of felt and nonwovens.

Paper Making

1798、1799、2099

As paper surface sizing agent, pigment binder, beating machine additive, etc., it is widely used in low-end and medium-high-end paper.

Adhesive

White Emulsion, Compound High-end Adhesive : 1788、2488

It is used for paper, wood, textiles, office glue and high-grade coating base material, etc.

Adhesive

Building Adhesive :1799、2099、 2499、 2699

It is used for putty adhesive and coating adhesive base material

PVA Fibers

1798、1799、1099、0588、 2099

It is used to produce synthetic fibers, including long staple fiber, high strength and high modulus fiber, medium strength and medium modulus fiber, water soluble fiber, etc. One example is Vinylon

PVB

0499、0599、0899、1599、 1799

Used as glass intermediate film, high-end products for automotive windshield and military bulletproof and solar cells.

PVA Film

0588、1788、1798、1799、 2099

It is used in water-soluble film, optical film and degradable film fields.

1. Adhesive Material or Glue

PVA is known to be used as an adhesive material due to its high tensile strength and its ability to be solved in water. It is similar to natural adhesive material, such as dextrin and casein. However, PVA has the advantage of being more adhesive and has more stable chemical structure. This allows PVA to be used minimally when used as adhesive material.

Generally, PVA 1788 and PVA 2488 are used for adhesive purpose. It is used as adhesive or glue for office purpose, paper, wood, textiles, and coating base material.

2. PVA Film

PVA Film is a film that is water soluble and biodegradable due to the properties of PVA. Although PVA is soluble in water, it is hard to dissolve in other chemicals, especially organic solvents. This makes PVA film a good choice to package chemical products such as detergents, agrochemicals, dyes, fertilizers, and water treatment chemicals.

PVA film produced with PVA

PVA Film

To produce PVA Film, generally, PVA 0588, PVA 1788, PVA 1798, PVA 1799, and PVA 2099 are used.

3. Paper Making

Water-soluble polymers are used in various processes in the paper making industry. PVA is usually used as a binding agent, re-moisturizing agent, pigment coating, and surface sizing agent. Starch and casein were originally used as surface sizing and binding agents respectively. However, PVA is now being used due to it being more efficient to use.

Paper Making uses PVA

Paper Making Industry

For paper making industry, PVA 1798, PVA 1799, and PVA 2099 are generally used

4. Plywood and Timber Processing

PVA is typically used as the binding agent for plywood and timber processing. In these processes, resins such as melamine, formaldehyde, and carbamide are typically used. If PVA is used in these resins, it could increase the viscosity and shorten the curing and cooling time of the resin. The addition of PVA will also increase the initial cohesion of the resin.

For this purpose, PVA 1799, PVA, 2099, and PVA 2499 are commonly used.

5. Building Adhesive

In construction, PVA could be added to the cement mortar mix. The addition of PVA could increase the waterproofing qualities and the adhesion capability of the mixture to a surface. Other than being mixed into the cement mortar mixture, PVA could also be painted onto a surface before the mixture is applied to further increase the adhesion.

PVA usually added to Cement Mixture

Cement Mixture in Construction

As building adhesive, PVA 1799, PVA 2099, PVA 2499, and PVA 2699 are used for this purpose.

6. Textile Processing

PVA is used in the preparation, printing, dyeing, and finishing processes in the textile industry to carry out these processes more efficiently. Here are the reasons why PVA is used as a textile auxiliary:

  • Membrane made with PVA have excellent sizing effects and can improve the smoothness and durability of high-grade textiles.
  • PVA could improve the cohesive force of textile yarn. It prevents the yarn from breaking and improves the weaving efficiency.
  • The PVA mixture does not need to be extremely moist. Compared to starch paste, which must have 80 – 85% moisture, the PVA mixture can be used with 70 – 75% moisture. This allows PVA to be used in more varieties of environments and increases the efficiency of textile production.

PVA 1799 and PVA 1788 are used for this purpose.

7. Emulsifying Agent

An emulsifying agent is a chemical that stabilizes an emulsion, which allows a mixture of liquids that commonly don’t mix to separate. PVA is used in the production of Vinyl Acetate Homopolymer (PVAc) emulsion. In the production of this emulsion, PVA is added to a mixture of polymerized, colloidal, and granular PVAc and a solvent. This result in an emulsion that is stable and prevents the emulsion from degrading.

For this purpose, PVA 2499, PVA 1899, PVA 2099, PVA 1799, and PVA 1788 are used.  

8. PVA Fiber

PVA can be used to make PVA fibers, which can be used for various purpose. PVA fiber can be modulated to have medium to high strength, and can have various other characteristic, such as being water soluble. One of the examples of PVA fiber is Vinylon.

Vinylon is a type of synthetic fiber made with PVA, anthracite, and limestone. As a textile material, vinylon has the advantage of being highly resistant to heat and chemicals. However, it is no longer widely used in the textile industry due to its stiffness, difficulty in dyeing, and high manufacturing cost. It is still used in the textile industry to manufacture work clothes and uniforms.

Vinylon Yarn made with PVA

Vinylon Yarn

Other than the textile industry, Vinylon can also be used to produce fish nets and as an alternative to asbestos due to its high resistance and high strength. To produce PVA fiber, PVA 1798, PVA 1099, PVA 0588, PVA 2099, and PVA 1799 are used

9. PVB

PVB, also known as Polyvinyl Butyral, is a colorless compound made from the condensation of PVA and butyraldehyde. It has various uses, but the most common application is to manufacture laminated glass, which is glass that could hold itself together when breaking. This glass usually used for vehicles glasses and windows. Its other uses are for bulletproof material and for photovoltaic thin film for solar panels. The most common PVAs that is used for this purpose are PVA 0499, PVA 0599, PVA 0899, PVA 1599, and PVA 1799.

Packaging and Storage of PVA

PVA is available in various packaging. At Camachem, we package PVA typically in:

  • 20 kg Sealed Bags.
  • 50 kg Sealed bags.

PVA in 50 kg sealed bags sold by Camachem

PVA in 50 Kg Sealed Bags

To store PVA, it is recommended to store it in a waterproof storage facility, as PVA can quickly degenerate once it is mixed with water. This degeneration happened due to activity of bacteria. When storing the paste of PVA, it is advised to use a stainless-steel container, as corrosion may occur in an iron or steel container. If stainless steel container is not available, an application of 0.05% sodium benzoate or sodium nitrate can be done to the PVA paste to avoid the corrosion process.

Since PVA quickly degenerates once mixed with water, it can be difficult to store it in liquid form. If storage in liquid form is needed, 0.01-0.05% of an antiseptic, such as salicylic acid, can be added.

Where to Buy PVA?

Here at Camachem we have PVA 1799 for sale. We export worldwide, so you can contact us for a FREE quotation via email address [email protected] or send a message on WhatsApp for a fast response at +86-131-2037-9271.

Where to Learn More About PVA?

To learn more about PVA, please check our blogs where we explain the detail on PVA  and how we success fully export PVA to Brazil.