OUR PRODUCTS

OPR2™

Aquacrete OPR2™ is a rapid-setting, high performance, single component product that provides explosion-rated ventilation control and geology consolidation and sealing in underground mines.

Adobe Symbol OPR2™ Product Data Sheet

Product Features

Safer

  • Low toxicity
  • Specialist training provided
  • Fire resistant
  • Anti-static
  • Creates an explosion-rated gas and air barrier
  • Cures to off-white colour

Faster

  • Aquacrete OPR2™can be shotblasted to any desired thickness in a single application
  • Aquacrete OPR2™ is rapid-setting and achieves the specified rating within 24 hours and a compressive strength of 15 MPa in as little as 48 hours and 24 MPa in 28 days
  • Aquacrete OPR2™ does not slump

Stronger

  • Aquacrete OPR2™ complies with mining industry over-pressure requirements for ventilation control devices (Queensland Department of Mines & Energy)
  • Product certification has been issued by an accredited National Association of Testing Authorities (NATA) laboratory for over-pressure performance in a live underground blast test

Product Applications

As a result of our superior performance, Aquacrete OPR2™ is specified for a wide range of applications.

These include:

  • Rated ventilation stoppings
  • Rated ventilation seals
  • Overcasts and overcast wings
  • Rib consolidation
  • Rib highlight
  • Cavity filling
  • Roof and fall consolidation
  • Stopping and seal repairs
  • Segregation stopping’s

Product Testing

To ensure that Aquacrete OPR2™ conforms to the most stringent industry standards, testing and certification is undertaken by laboratories approved by the National Association of Testing Authority (NATA). These include Western Geotechnics Group

Test Date Age at Test Product Tested Test Description Industry Standard/ Specification Testing Authority Certificate Number Maximum Mpa
38099 2 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 30631 12.5 Mpa
38163 2 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 30989 12 Mpa
38163 2 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 30988 11 Mpa
38163 2 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 30987 9 Mpa
38191 2 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 31176 10 Mpa
38191 2 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 31177 15 Mpa
38296 2 days OPR2 Compressive strength & mass per unit volume of concrete specimens AS 1012.9 & AS 1012.12.1 Western Geotechnics Group 08-KG-387-300 12 Mpa
38296 2 days OPR2 Compressive strength & mass per unit volume of concrete specimens AS 1012.9 & AS 1012.12.1 Western Geotechnics Group 08-KG-387-300 12 Mpa
38297 2 days OPR2 Compressive strength & mass per unit volume of concrete specimens AS 1012.9 & AS 1012.12.1 Western Geotechnics Group 08-KG-388-C300 11.5 Mpa
38168 7 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 30988 15 Mpa
38168 7 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 30987 11 Mpa
38196 7 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 31176 16 Mpa
38196 7 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 31177 18 Mpa
38301 7 days OPR2 Compressive strength & mass per unit volume of concrete specimens AS 1012.9 & AS 1012.12.1 Western Geotechnics Group 08-KG-387-300 13.5 Mpa
38125 28 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 30631 22 Mpa
38189 28 days OPR2 Compressive strength of concrete AS 1012.9 Western Geotechnics Group KG 30987 17 Mpa
38322 28 days OPR2 Compressive strength & mass per unit volume of concrete specimens AS 1012.9 & AS 1012.12.1 Western Geotechnics Group 08-KG-387-300 24.5 Mpa
38323 28 days OPR2 Compressive strength & mass per unit volume of concrete specimens AS 1012.9 & AS 1012.12.1 Western Geotechnics Group 08-KG-388-C300 19.5 Mpa
36656 n/a OPR2 Direct Shear, Single-Stage on Intact Specimen ISRM Pt. 2 Western Geotechnics Group WG 92563 RDST 851 kPa

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