Sinopec PVA | Polyvinyl Alcohol Supplier & Manufacturer

Specifications

Grades	New Name	Hydrolysis (mol%)	Volatiles (%)	Viscosity (mpa.s)	Ash (wt%)	PH Value	Purity (wt%)
PVA0388	088-03	87.0 – 89.0	≤5.0	3.0-4.0	≤0.7	5-7	≥93.0
PVA0488	088-04	87.0 – 89.0	≤5.0	4.0-4.5	≤0.7	5-7	≥93.0
PVA0498	098-04	98.0-98.8	≤5.0	4.0-5.0	≤0.5	5-7	≥93.5
PVA0588	088-05	87.0 – 89.0	≤5.0	4.5-6.0	≤0.5	5-7	≥93.5
PVA0599	098-05	98.0-99.0	≤5.0	5.0-6.5	≤0.5	5-7	≥93.5
PVA0888	088-07	87.0 – 89.0	≤5.0	6.5-7.5	≤0.7	5-7	≥93.0
PVA1088	088-08	87.0 – 89.0	≤5.0	8.0-10.0	≤0.5	5-7	≥93.5
PVA1098	098-10	97.0-99.0	≤5.0	8.0-12.0	≤0.5	5-7	≥93.5
PVA1099	098-08	98.0-99.0	≤5.0	9.0-11.0	≤0.5	5-7	≥93.5
PVA1388	088-13	87.0 – 89.0	≤5.0	12.0-14.0	≤0.5	5-7	≥93.5
PVA1399	098-15	98.0-99.0	≤5.0	13.0-17.0	≤0.5	5-7	≥93.5
PVA1493	093-16	92.5-94.5	≤5.0	14.5-18.5	≤0.5	5-7	≥93.5
PVA1588	088-17	87.0 – 89.0	≤5.0	15.0-19.0	≤0.5	5-7	≥93.5
PVA1599	098-20	98.0-99.0	≤5.0	18.0-22.0	≤0.5	5-7	≥93.5
PVA1788	088-20	87.0 – 89.0	≤5.0	20.5-24.5	≤0.4	5-7	≥93.5
PVA1792	092-20	91.0-93.0	≤5.0	21.0-27.0	≤0.5	5-7	≥93.5
PVA1795	094-27	94.0-96.0	≤5.0	22.0-28.0	≤0.5	5-7	≥93.5
PVA1797	096-27	96.0-98.0	≤5.0	23.0-29.0	≤0.5	5-7	≥93.5
PVA1799	098-27	98.0 – 99.0	≤5.0	23.0-29.0	≤0.5	5-7	≥93.5
PVA1888	088-26	87.0 – 89.0	≤5.0	24.0-28.0	≤0.5	5-7	≥93.5
PVA1895	095-28	94.0-96.0	≤5.0	26.0-30.0	≤0.5	5-7	≥93.5
PVA1897	097-29	96.0-98.0	≤5.0	27.0-31.0	≤0.5	5-7	≥93.5
PVA1899	098-30	98.0 – 99.0	≤5.0	28.0-32.0	≤0.5	5-7	≥93.5
PVA2088	088-35	87.0 – 89.0	≤5.0	29.0-34.0	≤0.3	5-7	≥93.5
PVA2288	088-40	87.0 – 89.0	≤5.0	38.0-42.0	≤0.5	5-7	≥93.5
PVA2299	098-45	98.0 – 99.0	≤5.0	42.0-48.0	≤0.5	5-7	≥93.5
PVA2488	088-50	87.0 – 89.0	≤5.0	45.0-55.0	≤0.3	5-7	≥93.5
PVA2492	092-53	91.0-93.0	≤5.0	48.0-58.0	≤0.5	5-7	≥93.5
PVA2497	097-60	96.0-98.0	≤5.0	56.0-66.0	≤0.5	5-7	≥93.5
PVA2499	098-60	98.0 – 99.0	≤5.0	58.0-68.0	≤0.5	5-7	≥93.5
PVA2688	088-60	87.0 – 89.0	≤5.0	56.0-66.0	≤0.5	5-7	≥93.5
PVA2697	097-70	96.0 – 98.0	≤5.0	66.0-76.0	≤0.5	5-7	≥93.5
PVA2699	098-75	98.0 – 99.0	≤5.0	70.0-80.0	≤0.5	5-7	≥93.5

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.

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.

Tel: 0086-25-52397803

E-mail: info@china-pva.net

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.