CA80
PREPARING THE SG
4
Component material Curing time in seconds
Steel 60 … 120
Aluminum 50 … 100
Plastics 10 … 60
Tab. 2.1 Curing times for the various materials
At temperatures below room temperature, you must expect the curing time to be
extended and full curing (final hardness) to take longer.
Once the time specified in Tab. 2.1 has expired, the adhesive will have bonded sufficiently
so that you can start connecting the cable. Final hardness takes about 24 hours.
However, measurements can be taken after the times stated in Tab. 2.2.
Method of measurement
Bonding temperature in 5C
5 20
Minimum curing time in minutes
dynamic 90 10
static 120 15
Tab. 2.2 Minimum curing times
3 PREPARING THE SG
Strain gages supplied ex factory are in working condition and may only be handled with
tweezers.
If the SG is contaminated during handling:
u Carefully clean the adhesive side of the SG with a cotton bud soaked in solvent (such
as RMS1 or RMS-SPRAY).
u Carefully allow any remaining solvent to evaporate.
Important
If the SG has an installation aid (adhesive tape), make sure that the adhesive film of the
tape is not dissolved by the cotton bud and transferred to the SG.
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