Bonding material (adhesive) | Main application areas | Material | Useful temperature range (approx.) for zero-point related1) and for non zero-point2) related measurements3) | No. of components |
X60, cold-curing (superglue) | Experimental test | Methacrylate | 1) | -200°C …+60°C [-328°F …+140°F] | 2 |
2) | -200°C …+60°C [-328°F …+140°F] |
Z70, cold-curing (superglue) | Experimental test, transducer manufacturing with lower accuracy requirements | Cyanoacrylate | 1) | -55°C …+100°C [-67°F …+212°F] | 1 |
2) | -70°C …+120°C [-94°F …+248°F] |
X280, cold-curing | Experimental test | Epoxy resin | 1) | -200°C …+200°C [-328°F …+392°F] | 2 |
2) | -200°C …+280°C [-328°F …+536°F] |
EP70, hot-curing | Experimental tests at elevated temperature range | Epoxy resin | 1) | -40°C …+70°C [-104°F …+158°F] | 2 |
2) | -40°C …+70°C [-104°F …+158°F] |
EP310N, hot-curing | Experimental tests at elevated temperature range, transducer manufacturing | Epoxy resin | 1) | -269°C …+260°C [-454°F …+500°F] | 2 |
2) | -269°C …+310°C [-454°F …+590°F] |
P250/P250-R, hot-curing | Transducer manufacturing | Phenolic resin | 1) | -196°C …+250°C [-320°F …+482°F] | 1 |
2) | -196°C …+250°C [-320°F …+482°F] |
P250 Stick-on, hot-curing | Transducer manufacturing | Phenolic resin | 1) | -196°C …+250°C [-320°F …+482°F] | - |
2) | -196°C …+250°C [-320°F …+482°F] |
DP490, cold-curing | Experimental Test | Epoxy resin | 1) | -55°C …+120°C [-131°F …+248°F] | 2 |
2) | -55°C …+120°C [-131°F …+248°F] |
1)With zero-point related measurement, the measured values are referenced to the zero point (usually static measurements).
2) With non zero-point related measurement, the zero point can fluctuate, only the dynamic part is important (dynamic measurement).
3) The specified temperature limits are fluid and depend on strain gauges being used, on the expected measurement accuracy and on the curing process.
Bonding material (adhesive) | Pot Life | Curing conditions | Suitable for strain gauges in series |
Temp. | Time | Contact pressure | Y, C, M, D | G | A, U | E |
X60, cold-curing (superglue) | 3 … 5 min | 0°C [32°F] 20°C [68°F] 35°C [95°F] | 60 min 10 min 2 min | Thumb pressure | o | o | o | – |
Z70, cold-curing (superglue) | - | 5°C [41°F] 20°C [68°F] 30°C [86°F] | 10 min 1 min 0.5 min | Thumb pressure | o | o | o | o |
X280, cold-curing | 30 min | 20°C [68°F] 65°C [149°F] 95°C [203°F] | 8 h 2 h 1 h | 0.05 … 2 N/mm2 | o | o | o | o |
EP70, hot-curing | 2 hours | 60°C [320°F] | 3 h | contact pressure | B Series |
EP310N, hot-curing | 4 weeks | 150°C [302°F] 180°C [356°F] 200°C [392°F] | 3 h 1 h 0.5 h | 0.1 … 0.5 N/mm2 | • | • | • | • |
P250/P250-R, hot-curing | Unlimited | 140°C [284°F] 160°C [320°F] 190°C [374°F] | 4 h 3 h 1 h | 10 – 50 N /cm² | • | • | • | – |
P250 Stick-on, hot-curing | - | 140°C [284°F] 160°C [320°F] 190°C [374°F] | 4 h 3 h 1 h | 10 – 50 N /cm² | • | • | • | – |
DP490, hot-curing | 12 months | 20°C [68°F] 30°C [86°F] 40°C [104°F] | 10 h 20 h 40 h | contact pressure | • | • | • | • |
• Optimal combination of strain gauge and bonding material
o Suitable, but sacrificing a part of the strain gauge or bonding material temperature range
– Unsuitable combination