Pyromellitic Dianhydride/Pmda/ Benzene-1, 2, 4, 5-Tetracarboxylic Dianhydrid 89-32-7 for Polyimide

• CAS No.: 89-32-7
• Formula: C10H2O6
• EINECS: 201-898-9
• Type: Flavor & Fragrance Intermediates
• Appearance: Crystal
• Quality: Technical
• Model NO.: CAS: 89-32-7
• Colour: White
• Melting Point (ºC): 285-288
• Specific Gravity: 1.680
• Transport Package: 25kg Fiber Drum
• Specification: 99.8%
• Trademark: AQ
• Origin: China
• HS Code: 29173990
• Production Capacity: 100metric Tons Per Month

Product Description

Pyromellitic Dianhydride/PMDA/ Benzene-1, 2, 4, 5-Tetracarboxylic Dianhydrid 89-32-7 for polyimide


 

Item	Top Grade	First Grade
Content	99.5 %min	≥98.0
CAS NO	89-32-7	89-32-7
Appearance	White crystal powder	White crystal
Melting Point (ºC)	286-288	284-286
Free acid content	0.5 w% max	_____

Application

This product is mainly used as raw material of polyimide, curing and polishing agent of epoxy resin and
crosslinking agent of polyester resin.
Used for manufacturing polyimide film, polyimide resin, powder coating matte agent, advanced electrical
insulation materials.
It is used to make polyimide resin, high temperature resistant electric insulating paint, PVC plasticizer,
synthetic resin crosslinking agent and epoxy resin curing agent, also used to make phthalocyanine blue dye, etc.

Package and Shipping:

Package: 
1. Inside the aluminum foil bag, packed in cartons and pallets, with a net weight of 20kg, placed in a cool and
dry place, strictly sealed for preservation and moisture proof.

2. Inside aluminum foil bag, packed in drums and pallets, net weight 25kg, placed in a cool and dry place,
strictly sealed for preservation, moisture proof.
3.Customized packaging is also available according to customers' requirements.
Sample package: 5/10/25Kg/Aluminum Foil Bag

Storage: stock in cool, dry place of moisture-proof, far from the heat source. After using, please closed the container to prevent the moisture enter.
Delivery Time:3-10 days  after receiving TT payment
Port: Qingdao Port/ Lianyungang Port/ Shanghai Port

Our Lab:


Company Information and plant:


Zibo Anquan Chemical Co., LTD., as a subsidiary of Boshan Hengtai Chemical Co., LTD., was founded in
2016, is a professional sales of fine chemicals, water treatment chemicals, organic salts and organic
solvents and other chemicals.

Our fine chemicals mainly include PYROMELLITIC DIANHHYDRIDE, PYROMELLITIC ACID, MALETIC
ANHYDRIDE , PHTHALIC ANHYDRIDE and so on, which are widely used in resin,plastics, coatings, chemicals
, pharmaceuticals and other fields. Our water treatment products are trusted by customers at home and
abroad, and we have customized many water treatment solutions for customers. At the same time, we
also provide customers with basic organic salts and organic solvents. The best products, the best service
and the best reputation make us became the supplier of famous customers, our main markets are America,
Japan, Korea, Germany, Italy, Taiwan, India and so on.



The plant is equipped with gas phase oxidation unit, recrystallization unit, hydrolysis unit, and all equipped
with decentralized control system (DCS operating system), among which the oxidation unit is also equipped
with safety instrumentation system (SIS system). The plant is equipped with complete environmental
protection equipment according to the requirements, hydrolysis workshop specially equipped with water
treatment workshop, sewage treatment through three-effect evaporator, also has bag dust removal device,
activated carbon adsorption device, UV photolysis device and online VOCs detection system, to ensure emission
standard.


FAQ:

1.Where is our factory?
Our factory located in Boshan district Zibo city Shandong province, China
2.Where is the port of loading?
Qingdao port is the nearest port with around 4 hours by truck.
3.What about sample?
Sample is available for free.
4.How do you control the quality of the products?
We have our own laboratory and we will analyse each batch of samples.