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Hot selling PVA1788/2488

Hot selling PVA1788/2488

FOB Price

أحصل على آخر سعر

1 / Ton

|

Minimum Order

Place of Origin:

China

Price for Minimum Order:

Minimum Order Quantity:

20 Ton

Packaging Detail:

25kg/Bag

Delivery Time:

within 2 weeks

Supplying Ability:

2000 Ton per Month

Payment Type:

Western Union, L/C, T/T

الاتصال الآن
Shanxi Enci Chemicals Co., Ltd

Shanxi Enci Chemicals Co., Ltd

China

عضو مجاني

الشخص الذي يمكن الاتصال به Ms. Daisy

No.8, Row16, Yingze District, Taiyuan City, 030045, China, Taiyuan, Shanxi

الاتصال الآن

Description


Model Number: szly
Purity: *9.9%
WHITE: POWDER
Packaging & Delivery
Packaging Detail:
*5kg/Bag, HS Code: *******0
Delivery Detail:
*0~ *5 days
Specifications
PVA ***9, lyvinyl alcohol (PVOH, PVA, or PVAL) is a water-soluble synthetic polymer (not to be confused with polyvinyl aceta
Product Feature
Polyvinyl alcohol has excellent film forming, emulsifying, and adhesive properties. It is also resistant to oil, grease and solvent. It is odorless and nontoxic. It has high tensile strength and flexibility, as well as high oxygen and aroma barrier properties. However these properties are dependent on humidity, in other words, with higher humidity more water is absorbed. The water, which acts as a plasticiser, will then reduce its tensile strength, but increase its elongation and tear strength. PVA is fully degradable and is a quick dissolver. PVA has a melting point of **0C and ******0C for the fully hydrolysed and partially hydrolysed grades, respectively. It decomposes rapidly above **0C as it can undergo pyrolysis at high temperatures.

PVA is an atactic material but exhibits crystallinity as the hydroxyl groups are small enough to fit into the lattice without disrupting it.

Application
Preparation of polyvinyl butyral is the largest use for polyvinyl alcohol in the U. S. And western Europe. Its use as a polymerization aid is the largest market in China. In Japan the major use is vinylon fiber production.
Product Name: Polyvinyl Alcohol
Index Name
Index
PVA ****9
PVA ****8
Hydrolysis ( mol %)
*9.9
*8.7
Sodium Acetate(%)
2.3
1.1
Volatiles (%)
2.9
3.6
Viscosity (mpa.s)
*6.5
*5.0
NaOH (%)
0.*5
0.*0
Purity (wt %)
*4.8
*5.3
Surface
White
White
Remarks
QUALIFIED
 

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