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Rubber process analyzer (RPA elite)

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Frequency 0.001 To 50 Hz (0.06 To 3,000 cpm)
Amplitude ±0.005 to ±360° arc (continuous)
Strain ±0.07 % to ±5000 %
Torque 0.0001 to 25 N.m
Temperature Standard: Ambient to 230 °C
Optional: 18 °C to 230 °C with Enhanced Cooling System
Maximum Ramp Rate 80 °C/min (1.33 °C/s)
Die Type Sealed bicone, 0.48 mm gap
Sample Volume 4.5 cm3
Platen Sealing Pressure 1 to 8 bar Adjustable
Sample Pressure Optional: 0 to 8,500 kPa
Test Modes Cure (isothermal, ramp, step)
Strain (sweep, offset, LAOS)
Frequency Sweep
Stress Relaxation
Advanced (multi-frequency, abitrary waveforms)
Measured Data Torque, Temperature, Frequency, Amplitude, Sample Pressure (optional)
Calculated Data Viscoelastic properties including: G’, G”, G*, S’, S”, S*, tan δ, η’, η”, η*, LAOS Lissajous curves, non-linearities in stress and strain, and more than 550 process parameters including: ts1, TC10, TC50, TC90, S’min, S’max, scorch time, cure rate
Standards ASTM D5289, D6048, D6204, D6601, D7050, D7605; ISO 6502, 13145; DIN 53529
TA Instruments