Baldudak Hard Pottery Plaster is specially developed for applications requiring high mechanical strength. It is particularly suitable for porcelain turning molds used in cup production and deep-structured forms.

Thanks to its dense and rigid molecular structure, it provides balanced wear across different regions of the mold. Controlled expansion properties eliminate expansion-related issues, ensuring dimensional stability and long service life.

Packaging

30 kg bag.

Physical Properties

Water ratio: 45%. Flow diameter: 190 ± 20 mm. Initial setting time: 13 minutes (±2.5). Final setting time: 30 minutes. Flexural strength: 90 kgf/cm². Compressive strength: 250 kgf/cm². Hardness: Shore D 95. Linear expansion: 0.20%. Water absorption: 22%.

Chemical Properties

CaSO₄·½H₂O: minimum 90.00%. SO₃: minimum 45.00%. CaO: minimum 32.00%. SiO₂ + R₂O₃: maximum 0.80%. MgO: maximum 0.50%. CO₂: maximum 1.00%.

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