PMDA · Pyromellitic Dianhydride

1. Product Information

2. Description

Pyromellitic Dianhydride (PMDA) is a chief material for high-temperature insulation. It is mainly used for the production of polyimide resin, thin film, and insulating paint. It is also a high-temperature curing agent and plasticizer. Some kinds of curing agents for powder coatings are made from it.

3. Technical Data

Property	Value
Appearance	White or Light Yellow
Melting Point	282 – 288 ℃
Neutralization Equivalent	54.5 ± 0.2
Boiling Point	397 – 400 ℃
Content	≥ 99.5%

4. Application

PMDA is used in the production of:

• Polyimide film manufacturing
• Polyimide resin
• Matt hardener / curing agent for powder coatings
• Insulating materials
• Phenolic stabilizers
• Corrosion inhibitors
• Electrofax toner

5. Storage and Packaging

Storage: Keep in a dry and ventilated place, away from moisture, fire, and rain.

Packaging: Corrugated paper barrel, 25 kg/barrel. Inner packing is PE bag. For export, vacuum-bag packaging is used. Store in a cool, dry place, moisture-proof, and away from heat sources.

6. Disclaimer

This information and all further technical advice is based on our present knowledge and experience. However, it implies no liability or other legal responsibility on our part, including with regard to existing third-part intellectual property rights, especially patent rights. In particular, no warranty, whether express or implied, or guarantee of product properties in the legal sense is intended or implied. We reserve the right to make any changes according to technological progress or further developments.

The customer is not released from the obligation to conduct careful inspection and testing of incoming goods. Performance of the product described herein should be verified by testing, which should be carried out only by qualified experts in the sole responsibility of a customer. Reference to trade names used by other companies is neither a recommendation, nor does it imply that similar products could not be used.