Description
African master plaster (natural gypsum) of class 2 of hard plaster additive for the extension of the application possibilities
Manufactured and tested to DIN EN ISO 6873
• Mixing ratio: add 50 ml of water 100 g gypsum
• Processing time: 5-6 min.
• From bonding time: 10-12 min.
• Compressive strength after 1 hr: 12 MPa
• Compressive strength, dry: 17 MPa
• From binding expansion after 2 hours: 0.18%
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