Pyromellitic Dianhydride (PMDA) is white or yellowish crystal, used as a monomer in the preparation of polyimide polymers.
| ITEMS | SPECIFICATIONS |
| Purity | ≥99.5% |
| Residual Acetone | ≤1500ppm |
| Melting Point | 286-287.5℃ |
| Color | White |
| Acid (PMA) | ≤0.5% |
| Impurity Content | ≤0.5% |
| Particle Size | ≤150-600μm (≥90%) |
Packaging and Storage:
1. Paper drum packaging, lined with PE bags, outer aluminum foil bags two layers of sealed packaging.
2. Keep container tightly closed in a dry and well-ventilated place.
Application:
Pyromellitic Dianhydride (PMDA) is mainly used in the production of polyimide film, polyimide resin, high temperature resistant electrical insulating paint, PVC plasticizer, synthetic resin crosslinker, epoxy resin curing agent, powder coating matting agent, etc.
