... supply below polyimide resins: 1.PIR-001 Visual: Fine yellow powder; Particle size:30-40um Gravity:1.3g/cm3;Melting point ... :0.2% Solubility:soluble in DMF, etc. Application: matrix resin for heat resistance abrasion , moulding and solid lubricants for grinding ... 400--500s/160C Solubility:soluble in DMF, etc. Application:matrix resin for reinforcement prepreg of fibers(cabon, glass, etc.), mixture ...