Specialty Plasters - Pottery Plaster | USG Boral

Pottery Plaster

Pottery Plaster is a fine specialist plaster designed for use in casting of molds for ceramic products and plaster-craft replications.

It is ideal for slip casting of sanitary ware and statuary, and for the manufacture of compression molds used in slab casting of tableware.

Advantages include:

  • High strength
  • Easy to use for mold casting
  • Suitable for compression molds
Physical Properties
  • Colour: White 
  • Working time: Setting Type – 10 -12 minutes knife-set time 
  • Packaging: 20kg bags.
  • Compressive Strength*: Wet 6000kPa (min), Dry 13,000kPa (min)
  • Linear Expansion*: 0.05 - 0.25% 
  • Surface Area: 5000 cm2/g (min) 
  • S.G.: 2.63
  • Solubility: 0.6g/100ml 
  • Decomposition Temperature: 163oC 
  • VOC: Less than 50 grams per litre 
  • *Values determined at water/plaster ratio of 65ml/100g.
Applications

Suitable for use in slip molds for ceramic pieces, plaster models and craft replicas. Suitable for the manufacture of compression molds in the slab casting of crockery and tableware.

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