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HT Pumpcrete is a pre-bagged pumpable concrete that has excellent flowing characteristics.


  • HT Pumpcrete simplifies placement and construction of box fronts and other underground structures.
  • High flow characteristics allow effective consolidation of loose material.
  • Trafficable footwalls can be constructed by flowing Pumpcrete into previously levelled large loose aggregate.
  • HT Pumpcrete can be mixed with tailings to provide a yielding grout pack filler for stope support.


Composition Description
HT33 Cement Special Cement Blend
Optional extenders – Silica Fume 14%, ± 1% of cementitious content
Optional Admixtures Plasticisers & accelerators
Fine Aggregate Crusher / River Sands ≤ 5% moisture content
Coarse Aggregate Crushed Stone


Standards Compliance
HT Pumpcrete materials comply with the requirements of SABS 1083, 1200G & 1491-3.


Range of Products

Product Bag size Water Addition YieldBags/m3
HT Pumpcrete 25 kg ±3,8 l/bag ±74bags



Type Size Mass/m3 of Shotcrete
Steel Non-balling deformed steel fibre 30-35mm 25 – 50 kg
Polymer Polypropylene – Strand or fibrillated 25-45mm 3,5 – 10 kg



Product Compressive Strength @ 28 days Slump
HT Pumpcrete 40 MPa min ±70mm


HT Pumpcrete can be designed to meet various strengths according to customer requirements



Outer bag Inner bag
Virgin, woven, pre-printed, polypropylene bag, with stitched polyester seams. Colour coded for easy identification of product. Virgin, low density, polyethylene bag with heat-sealed sides and bottom seams.


Materials should normally be stored under cover. Reduced shelf life may occur if packaging is exposed to the elements. Packaging materials may deteriorate, allowing moisture ingress into the cementitious binder. This could lead to premature hardening.


Shelf Life
HT Pumpcrete products will store for up to 6 months in dry conditions.



General The use of eye protection, gloves and dust masks is recommended. Follow the typical precautions as prescribed for handling Portland cement.
Inhalation Constant exposure over long periods of time to very high concentrations may cause a cough with phlegm.
Skin contact Prolonged exposure could sensitize skin causing mild irritation. In extreme cases, dermatitis could occur.
Eyes Use eye protection. However, if eyes become affected, irrigate eyes with copious amounts of clean water. Seek medical attention.
Ingestion Ingestion of harmful quantities is unlikely to occur. If ingested, drink copious amounts of drinking water and consult a medical practitioner. DO NOT INDUCE VOMITING.


Technical Support, Servicing and Testing
Technicrete provides full support and back-up on both the technical and practical aspects of our products. We provide on-site assistance and underground training. All product performance is continuously monitored by means of regular testing at accredited laboratories.


Important Note
Technicrete products are guaranteed against defective materials and manufacture and are sold subject to its standard terms and conditions of sale. Whilst Technicrete endeavours to ensure that any advice, recommendation, specification or information it may give is accurate and correct, it cannot, because it has no direct or continuous control over where and how its products are applied, accept any liability either directly or indirectly arising from the use of its products, whether or not in accordance with any advice, specification, recommendation or information given by it.