Product Name: Polysebacic Polyanhydride, PSPA
CAS No: 26776-29-4
Descriptions:
PSPA is long carbon-chain aliphatic polycondensated anhydride of dibasic acid, it is an excellent cracking-resistant toughening curing agent with low melting point, low toxicity, moderate viscosity and good compatibility with a wide variety of epoxy resin. The cured substances have good thermal-state electrical property, mechanical property, especially, the excellent resistance to cold and heat impact. It is widely used in all kinds of household appliances, electromechanical, electronic and national defence industry, etc.
Technical Data:
Items | Specifications |
Appearance | Light yellow transparent liquid |
Anhydride content, % | 35 min. |
Carboxyl content, % | 6 max. |
Melting point, ℃ | 75-85 |
Viscosity, mpa.s (90℃) | 300 min. |
Applications: It is mainly used as cracking-resistant toughening curing agent for insulating materials and cast materials of epoxy resin in household appliances, electromechanical, electronic and national defence industry, etc.
Packing: 6kg/plastic bag, then place into the iron tin and sealed.
Storage: Stored in dry, ventilated, shady and cool place. Keep away from rain and sunlight during transportation. The storage period is one year.
