聚酰亚胺胶粘剂 http://www.geplastics.com/resins/materials/ultem.html
ULTEM resins offer:
Long-term heat resistance - RTI up to 356°F (180°C)
Dimensional stability
Strength and modulus at elevated temperatures
Hydrolytic and chemical stability
Resistance to wave and vapor soldering
FDA and NSF grades