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

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Our enterprise insists all along the standard policy of "product high-quality is base of business survival; client satisfaction could be the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as consistent purpose of "reputation first, client first" for Dextran 70 Hydroxypropyl Methylcellulose, Hpmc E6, Superplasticizer Admixture For Concrete, Our main objectives are to provide our customers worldwide with good quality, competitive price, satisfied delivery and excellent services.
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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Assume full duty to satisfy all demands of our clients; reach steady advancements by marketing the development of our purchasers; grow to be the final permanent cooperative partner of clientele and maximize the interests of customers for China wholesale Polyvinyl alcohol powder - Polyvinyl alcohol powder/tablets(PVA) – Divenland , The product will supply to all over the world, such as: Adelaide, Stuttgart, Croatia, Our items are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
  • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Hilda from Lahore - 2018.12.11 14:13
    The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Astrid from Montpellier - 2018.02.12 14:52
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