China wholesale Polyvinyl alcohol powder - Polyvinyl alcohol powder/tablets(PVA) – Divenland

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China wholesale Polyvinyl alcohol powder - Polyvinyl alcohol powder/tablets(PVA) – Divenland Detail:

Properties and applications of pva-2088

1. Features

(1) Solubility: it has strong hydrophilicity and is easy to dissolve in water (it can be dissolved slowly at room temperature, and generally used in hot water above 85 ℃), but insoluble in almost all organic solvents. PVA-2088 will produce foam in the course of dissolving. It can be solved by adding defoamer.

(2) Film forming property: easy to form film and excellent mechanical properties. Except for H2O, PVA film has excellent resistance to H2, N2, O2 and other gases.

(3) Adhesion: not only with hydrophilic fiber, paper and so on, but also with hydrophobic fiber has good adhesion.

(4) Thermal stability: when the sheet is heated above 130 ℃, the appearance changes gradually. The partially alcoholysis PVA began to melt at 180-190 ℃ and decomposed at 200 ℃.

(5) Solvent resistance: PVA has strong resistance to weak acid and alkali, and good oil resistance.

2. Main application

(1) Fiber processing industry: staple yarn, long yarn and after processing and other fields.

(2) Film processing industry: using different processes to produce water-soluble films and other fields.

(3) Coating mold industry: base cloth shaping and strengthening and other fields.

(4) Paper processing industry: indicate sizing and other fields.

(5) Adhesive industry: re wet bonding and other fields.

(6) stabilizer industry: vinyl acetate emulsion polymerization and other fields.

(7) Others: cosmetics, pharmaceutical products, additives for building materials, temporary protective film and other fields.

3. Product index

PVA 20-88 Product

Product number

International standard

Grade

Viscosity(mPa.s)

Alcoholysis degree(mole%)

Volatile matter(%≤)

ash content(≤%)

PH

pureness(%)

20-88

088-35

Premium grade

32.0-44.0

87.0-89.0

5

0.3

5-7

93.5

Qualified grade

32.0-44.0

86.0-90.0

7

0.5

5-7

91.5

1
1
1
1
1
1
1
1

Product detail pictures:

China wholesale Polyvinyl alcohol powder - Polyvinyl alcohol powder/tablets(PVA) – Divenland detail pictures

China wholesale Polyvinyl alcohol powder - Polyvinyl alcohol powder/tablets(PVA) – Divenland detail pictures

China wholesale Polyvinyl alcohol powder - Polyvinyl alcohol powder/tablets(PVA) – Divenland detail pictures

China wholesale Polyvinyl alcohol powder - Polyvinyl alcohol powder/tablets(PVA) – Divenland detail pictures


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In an effort to provide you advantage and enlarge our business enterprise, we even have inspectors in QC Staff and assure you our greatest provider and item for China wholesale Polyvinyl alcohol powder - Polyvinyl alcohol powder/tablets(PVA) – Divenland , The product will supply to all over the world, such as: El Salvador, Berlin, Cyprus, Till now, the items list has been updated regularly and attracted clients from around the globe. Comprehensive facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are likely to help you get thorough acknowledge about our goods and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.
  • The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
    5 Stars By Arabela from Myanmar - 2017.03.28 12:22
    Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
    5 Stars By Elaine from Tunisia - 2017.04.18 16:45
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