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ZA 28 Mould (28 ShA)

ZA 28 MOULD is a bi-component addition cured RTV silicone rubber which vulcanizes at room temperature
Compatible with all plasters, coatings, polyurethane resins and acrylic resins.

Main application sectors

Mouldmaking and model-making due to its considerable precision in reproduction, high dimensional stability and high mechanical resistance
Artistic ceramics due to high dimensional stability and considerable fluidity

Chemical and physical characteristics

	Metric system	USA system
Mixing ratio	1 : 1	-
Viscosity of the mix pre-catalisation	3500 - 3900 cP	-
Working time at 23 °C (73 °F)	10’ - 12'	-
Setting time at 23 °C (73 °F)	1 h	-
Hardness Shore-A after 24 hours	28 ± 2 ShA	-
Tensile strenght	4.0 ± 0.5 N/mm²	581 ± 73 psi
Elongation at break	500 ± 30%	-
Tear resistance (Die B)	7 ± 1 N/mm	40 ± 6 ppi
Tear resistance (Die C)	9 ± 1 N/mm	51 ± 6 ppi

The preparation is not considered dangerous according to Directive 67/548/EEC and subsequent amendments.

Conservation

The ZA 28 MOULD is guaranteed for a period of 18 months if correctly conserved between 5° - 27°C (41° - 80°F). Close the bottles after use, do not invert the caps or the lids between base and catalyst.

Important observations

The advice given verbally, in writing or through demonstration on how to use the product is based on our knowledge. The use and application by the user occurs without the Company having the possibility to check and therefore remain the responsibility of the user.

Packaging

DT23351	1 kg + 1 kg
DT23352	5 kg + 5 kg
DT23353	25 kg + 25 kg

Safety Data Sheet

© Zhermack SpA - All rights reserved - Via Bovazecchino, 100 45021 Badia Polesine (RO), Italy
Tel. +39 0425 597611 - Fax. +39 0425 53596 - Email web@zhermack.com
P.IVA 00594630295 - C.F. P.IVA IT00594630295 - R.E.A. 86603 - R.I. RO 00594630295 - M. RO 001381Isc. Reg. A.E.E. IT07111000002 - Cap. Soc. € 1.032.000,00

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