Sinopec PVA Polyvinyl Alcohol
Overview
Grades
098-08,088-20,092-20,094-27,096-27,100-27,088-35,092-35,100-35,088-50,098-60,100-60,100-70
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Specifications
Sinopec Polyvinyl Alcohol
|
Item
|
Index
|
|
Alcoholysis (molar fraction) /%
|
98.0~99.0
|
|
Viscosity/ (mPa* s)
|
9.0~11.0
|
|
Volatile matter content/% <
|
5.0
|
|
Ash content/% <
|
0.5
|
|
pH
|
5-7
|
|
Purity/% >
|
93.5
|
|
|
|
Item
|
Alcoholysis (molar fraction) %
|
Viscosity/ (mPa* s)
|
Volatile matter content %
|
Ash content %
|
pH
|
Purity%
|
|
098-08
|
98.0~99.0
|
9.0~11.0
|
5.0 |
0.5 |
5-7
|
93.5
|
|
98.0~99.8
|
8.0~12.0
|
7.0
|
0.7
|
5-7
|
91.5
|
|
088-20
|
87.0-89.0
|
20.5~24.5
|
5.0
|
0.4
|
5-7
|
93.5
|
86.0~90.0
|
20.0~26.0
|
7.0
|
0.7
|
5-7
|
91.5
|
|
092-20
|
91.0-93.0
|
21.0~27.0
|
5.0
|
0.5
|
5-7
|
93.5
|
|
90.0~94.0
|
20.0~28.0
|
7.0
|
0.7
|
5-7
|
91.5
|
|
094-27
|
94.0~96.0
|
22.0~28.0
|
5.0
|
0.5
|
5-7
|
93.5
|
|
94.0~96.0
|
21.0~29.0
|
7.0
|
0.7
|
5-7
|
91.5
|
|
096-27
|
96.0~98.0
|
23.0~29.0
|
5.0
|
0.5
|
5-7
|
93.5
|
|
96.0~98.0
|
22.0~30.0
|
7.0
|
0.7
|
5-7
|
91.5
|
|
100-27
|
99.0~100.0
|
22.0~28.0
|
5.0
|
0.7
|
-
|
93.5
|
|
99.0~100.0
|
22.0~30.0
|
7.0
|
1.0
|
-
|
91.5
|
|
088-35
|
87.0~89.0
|
29.0~34.0
|
5.0
|
0.3
|
5-7
|
93.5
|
| 86.0~90.0 |
28.0~35.0
|
7.0
|
0.5
|
5-7
|
91.5
|
| 092-35 |
91.0~93.0
|
30.0~36.0
|
5.0
|
0.3
|
5-7
|
93.5
|
| 90.0~94.0 |
29.0~37.0
|
7.0
|
0.5
|
5-7
|
91.5
|
| 100-35 |
99. 0~100.0
|
35.0~43.0
|
5.0
|
0.7
|
5-7
|
93.5
|
|
99. 0~100.0
|
35.0~43.0
|
7.0
|
1.0
|
5-7
|
91.5
|
| 088-50 |
87.0~89.0
|
45.0~55.0
|
5.0
|
0.3
|
5-7
|
93.5
|
|
86.0~90.0
|
44.0~56.0
|
7.0
|
0.5
|
5-7
|
91.5
|
| 098-60 |
98.0~99.0
|
58.0~68.0
|
5.0
|
0.5
|
5-7
|
93.5
|
| 98.0~99.0 |
56.0~69.0
|
7.0
|
0.7
|
5-7
|
91.5
|
| 100-60 |
99.0~100.0
|
58.0~68.0
|
5.0
|
0.7
|
5-7
|
93.5
|
| 99.0~100.0 |
56.0~69.0
|
7.0
|
1.0
|
5-7
|
91.5
|
| 100-70 |
99.0~100.0
|
68.0~78.0
|
5.0
|
0.7
|
5-7
|
93.5
|
| 99.0~100.0 |
68.0~80.0
|
7.0
|
1.0
|
5-7
|
91.5
|
Packing & Storage
| Packing |
In 20kg bag. |
| Storage |
Close, protect from light, ventilated and dry, cool, do not mix storage. |
| Shipping |
Equipped with appropriate varieties and quantities of fire-fighting equipment. |
Free Quote
| Liwei PVA is one of the top 10 PVA factories and the top 100 strongest enterprises
in
anhui province.In 2010,Liwei PVA is evaluated as advanced and high technical
company.
We mainly deals in polyvinyl alcohol,PVA,PVA fiber and raw materials for producing
PVA
like vinyl acetate,calcium carbide.
|
|
For samples, pricing, or more information, please call us at 0086-25-52397803 or mail
to info@china-pva.net or fill out the
following form. We will respond to you as soon as
possible.
|
General Information
Chemical & Physical
Properties
Safety Information
Synthetic Route
| Common Names |
Poly(vinyl alcohol) |
| Structure |
 |
| CAS No. |
9002-89-5 |
Boiling Point(℃) |
23.5±13.0 °C |
| Molecular Weight |
44.053 |
Melting Point(℃) |
230-240ºC |
| Appearance |
White or cream coloured solid |
Vapor Specific Gravity |
/ |
| HS Code |
3905300000 |
Flash Point(℃) |
-28.3±12.8 °C |
| Solubility |
soluble in hot water |
Autoignition Temperature(℃) |
/ |
| Safety Phrases |
S24/25 |
| RIDADR |
NONH for all modes of transport |
| WGK Germany |
1 |
| Packaging Group |
None |
| Hazard Class |
None |
|
|
SYMPTOMS |
PREVENTION |
FIRST AID |
| Inhalation |
Harmful to health |
Filtered Dust Masks，air ventilator |
Oxygen, seek medical attention. |
| Skin |
Irritate |
Wear anti-poison penetration coveralls |
Remove contaminated clothing and rinse with running water. |
| Eyes |
Irritate |
Wear chemical safety glasses |
Lift eyelids and rinse with running water or saline. Seek medical attention.
|
| Ingestion |
Harmful to health |
Smoking is strictly prohibited on the work site. Maintain good hygiene
practices. |
Drink plenty of warm water and induce vomiting. Seek medical attention.
|
|
Firstly, each polyvinyl acetate is made by solution polymerisation, and then the
resulting polyvinyl acetate is hydrolysed rapidly in methanol, ethanol or a
mixture of ethanol and methyl acetate using alkali metal or acid-free as a
catalyst. Alcoholysis is carried out to obtain polyvinyl alcohol |
Frequently Asked Questions
Introduction
China Petrochemical Corporation's Changcheng Energy Chemical Co.,
Ltd. (hereinafter referred to as Changcheng Energy Chemical) was established in
August 2012 as a specialized coal chemical company to implement China Petrochemical
Corporation's (Sinopec) coal chemical industry development strategy and accelerate the
development of its coal chemical business. The various chemical projects of Changcheng
Energy Chemical commenced trial runs in 2014, successfully completing the entire production
process。
Advantage
Guided by market demands, Ningxia Energy Chemical Company has continuously intensified its
efforts in developing high value-added polyvinyl alcohol (PVA) products, actively venturing
into photovoltaic materials, food, and pharmaceutical packaging applications. Through
optimizing process control and carrying out technological upgrades, the company has produced
a range of products with varying alcoholysis degrees, viscosities, and particle sizes,
including specialized PVB materials. Addressing the
reliance on imports for 088-40 type PVA products, the
company has actively conducted research and development. After numerous rounds of
verification, they have successfully produced qualified products, effectively filling a
market gap. Ningxia Energy Chemical offers a diverse range of products with a product
differentiation rate of 74% and a high value-added product ratio of 71%. Some of their
products are exported to Europe and Southeast Asia.
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