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Polyimide Shape SA101
New Polyimide Shape "CEPLA SA101"
CEPLA SA101

CEPLA SA101 is an excellent heat-resistant polyimide shape, based on Biphenyl tetracarboxilic dianhydride(BPDA) originally developed by UBE.CEPLA SA 101 has improved high durability for oxygen plasma, vacuum degassing properties, low water absorption and good processability.Heat distortion temperature is 470ºc, which is higher value than any other organic materials.

[ Feature ]

  • Super high heat resistance(heat distortion temperature : 470ºc)
  • Excellent plasma resistance
  • Low out gas
  • Good processability
  • Very low impurities
  • Low water Absorption

[ Application ]

  • Semiconductor production equipment parts
  • Vacuum equipment parts
  • Precisely processed parts
  • Heat and chemical resistant gaskets and sealing materials

General Properties of CEPLA SA101

Item Test Method Unit Testing Temperature Typical value
CEPLA SA101 Conventional Polyimides a) Polybenzimidazol a)
A B
Tensile Strength ASTM D-638 MPa 23 110 116 72 160
260 47 41 37 --
Elongation ASTM D-638 % 23 4.0 5.0 7.5 3.0
260 3.0 6.0 7.5 --
Flexural Strength ASTM D-790 MPa 23 135 160 83 220
260 51 59 45 --
Flexural Modules ASTM D-790 Gpa 23 7.5 4.2 2.5 6.6
260 3.6 2.1 1.4 --
Izod Impact Strength (Noched) ASTM D-256 J/min 23 20 77.5 44.4 --
Rockwell Hardness ASTM D-785 M Scale 23 115 113 -- --
Specific Gravity ASTM D-792 -- 23 1.48 1.39 1.43 --
Breakdown Voltage ASTM D-149 kV/mm 23 22.7 18 22 20.9
Dielectric Constant ASTM D-150 -- 23 3.70 3.59 b) 3.64 3.3 c)
Dissipation Factor ASTM D-150 -- 23 0.0013 0.0012 b) 0.0034 0.003 c)
Volume Resistivity ASTM D-257 فEcm 23 1.9‚˜10-16 1.8‚˜10-16 8‚˜10-14 -10-16 8‚˜10-14
Surface Resistivity ASTM D-257 Ω 23 8.5‚˜10-16 9.4‚˜10-16 10-15-10-16 --
Arc Resistance ASTM D-257 sec 23 135 124 -- 186
Coefficient of Linear Thermal Expansion ASTM D-495 ppm/ºc -- 35 (25-450ºc) 55.2 (20-250ºc) 54 (23-300ºc) 33 (200-300ºc)
Thermal Conductivity   Kcal/mEhºc 23 0.35 0.34 0.35 0.35
10% Weight loss Temp.   ºc -- 623 548 -- --
Heat Distortion Temp. ASTM D-648 ºc -- 470 360 360 435
Tabar Abrasion Loss ASTM D-1044 Mg/1000 -- 20 14.7 -- --
Limiting PV Value S45C Kgf/cmEm/min -- 2160 (0.1m/sec) 1050 (0.5m/sec) -- --
Durability for O2 Plasma d) Etching Rate 145-150 6.6 14.6 9.2 --
Vacuum Degassing TDS Analysis TorrE‚Œ/secEcm2 200 5.5‚˜10-4 1.0‚˜10-3 2.0‚˜10-3 --
300 7.6‚˜10-4 1.7‚˜10-3 3.2‚˜10-3
Water Absorption ASTM D-570 % (23ºcx24h) 23 0.03 0.46 (23ºc‚˜48h) 0.24 0.4