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Shotcrete | Hydrogyp Plaster

Supplier: RUS Mining

Hydrogyp SP, HS and WR are quick setting, non-hazardous, spray on alternatives that can be used for a variety of underground minings applications, including rib support and ventilation seals.

Price Guide: POA

HYDROGYP is processed from natural occurring high purity crystal gypsum which is graded and calcined to form a dry granular powder that can be sprayed non-slumped with water.

HYDROGYP HS is a stronger version that is used for structural applications while HYDROGYP WR has both high strength and enhanced water resistance.


  • Roadway rib stabilisation
  • Longwall face stabilisaton
  • Workshop illumination
  • Ventilation seals and walls
  • Paste backfill
  • Repairing damaged seals
  • Pillar replacement


  • 1 tonne water proof anti static bulker bags or 20kg plastic bags.


  • HYDROGYP should be stored in dry conditions.

Health and Safety

  • HYDROGYP is classified as non-hazardous and non-flammable. If in contact with eyes, immediately irrigate with plenty of water.
  • Refer to Material Safety Data Sheet for more information.


  • The strength of HYDROGYP is related to the quantity of water added. Flexural strength (Tensile) for HS is 2 MPa minimum and WR is 2.5 MPa minimum at 7 days with 40% and 35% water by weight respectively (AS 1012.11) NATA Certified.
  • Further strength details available on request.
  • Setting time 5 - 10 minutes.

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