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Product Details
ZA 4 LT ROSSO in different packages
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4 Shore A of ROSSO is a bicomponent (base and catalyst) addition RTV silicon rubber that vulcanizes at room temperature. Indicated for the duplication of models with small recesses. Mould-making ,model-making , Silk-screen printing on ceramic and Pad printing for its remarkable reproduction accuracy, high dimensional stability and mechanical strength, the excellent laser incision capability and ink transferring property.
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Chemical and Physical Properties
Mixing ratio
1 : 1
Viscosity of pre-catalyzation mixture
1700 - 1800 cP
Mixing time at 23 °C
1’
Working time at 23 °C WT
10’ - 13’
Setting time at 23 °C ST 90’
Shore A hardness after 24 hours 2-3 ShA
Tensile strenght 1.5 ± 0.3 N/mm2 Elongation at break >500 % Tear resistance (Die B) 7 – 8 N/mm Tear resistance (Die C) 4.5 – 5 N/mm
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Weight 1 kg/pcs