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Sıva Alçısı is a powder gypsum plaster from Sera Beton for interior wall and ceiling applications. Mixed at 6.5 kg water per 10 kg plaster, it produces a smooth, hard-wearing surface applied with a trowel or plastering hawk.
After 45–60 minutes of open time the surface can be polished with a steel trowel to achieve a finished appearance. Packaged in 35 kg laminated polypropylene bags.
Bulk density (powder): 700 kg/m³
Water mix ratio: 65% (6.5 kg water per 10 kg plaster)
Pot life: 60–80 minutes
Minimum application thickness: 5 mm
Flexural tensile strength: min. 1 N/mm²
Compressive strength: min. 2.5 N/mm²
Surface hardness (dry): 50 Shore D
Water absorption: 30%
Consumption: 4.5–5 kg/m² at 5 mm thickness
Packaging: 35 kg laminated PP bag
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