UIP - Polyimide powder | UBE Heat-resistant Polyimide Materials
Lineup/Features
UIP is an excellent heat-resistant polyimide powder, based on Biphenyl tetracarboxilic dianhydride (BPDA) originally developed by UBE.
UIP Products and Features

-
UIP-R
Heat-resistance, high-impact ability, easy forming -
UIP-S
Super heat-resistance, low creep, low water absorption, high modulus, high ablation resistance -
UIP-SA
Super heat-resistance, low creep, low water absorption, easy forming -
Common characteristic of UIP:
High chemical resistance, high radiation/plasma resistance, flame retardance
Application example

- Raw material of polyimide shape
- Binder for diamond grindstone
- Compound for PTFE, Fluorocarbon elastomer, Phenolic resins
Characteristics of UIP
Item | Unit | UIP-R | UIP-S | UIP-SA |
---|---|---|---|---|
Average particle diameter | µm | 7 | 8 | 13 |
Specific gravity | - | 1.39 | 1.48 | 1.47 |
Aerated bulk density | g/cc | 0.29 | 0.38 | 0.34 |
Angle of repose | deg | 44 | 52 | 46 |
Temperature of 5% weight loss | °C | > 580 | > 600 | > 600 |
Moisture &volatile
matter contents (50-350°C) |
% | < 1.0 | < 1.0 | < 1.0 |
SEM image | - | ![]() |
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