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ZA 22 MOULD in different packages
Bicomponent (base and catalyst) addition RTV silicon rubber that vulcanizes at room temperature. Indicated for the duplication of models with small recesses. Hardness: 22 shore A. Color: blue
Main Fields of Application:
Mould-making (for its remarkable reproduction accuracy, high dimensional stability and high mechanical
strength). Please before the silicone goes in contact with polyurethane resin , please contact us.
Concrete moulding (for its remarkable reproduction accuracy, high mechanical strength).
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Chemical and Physical Properties
Mixing ratio
1 : 1
Viscosity of pre-catalyzation mixture
4000 ± 300 cP
Mixing time at 23 °C
1’
Working time at 23 °C WT
14’ – 17’
Setting time at 23 °C ST
60’
Shore A hardness after 24 hours
21 ± 2 ShA
Breaking load
4.0 ± 0.2 N/mm2
Elongation at break
380±20 %
Tear strength
>20 ± 1 N/mm
Reproduction of details
2 micron
Dimensional vartation after 24 hours < 0.05 %
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Processing time 14-17Curing time (Hours) 1 óra