CMT Grout

HIGH YIELD. PUMPABLE CHOCK GROUT.

High volume chock grout supplied as a ready to use, free flowing blended cementitious powder that only requires the addition of water in a suitable placing machine. CMT grout is fast setting with rapid strength gain, ensuring early support.

Advantages

1 RAPID PLACEMENT
2 RAPID STRENGTH
3 NON SHRINKING

Features

High volume output; depending on strength requirements between 3.5 and 6.5 20 kg bags are required to fill a standard 300 mm x 2300 mm prop
Rapid placement; can be placed through conventional grout mixers and pumps
Fast set and rapid strength gain ensures early support
Yields to ground pressure, thereby reducing stress concentration in strata
Non-shrinking, unlike timber cribs
Low alkalinity, safe to handle
12 month shelf life

Configurations

WATER : POWDER RATIO	2:1	1.5:1	1:1
Gel time @ 20°C (mins)	12 - 15	9 - 11	4 - 7

AGE - UCS (MPa)	UCS @ W/P RATIO 2:1	UCS @ W/P RATIO 1.5:1	UCS @ W/P RATIO 1:1
1 day	4.0	6.0	10.0
7 days	5.0	8.0	14.0
28 days	7.0	12.5	18.0

FRESH WET DENTISTY	W:P RATIO 2:1	W:P RATIO 1.5:1	W:P RATIO 1:1
Fresh Wet Density (kg/m3)	1260	1340	1470

Product Options

CMT Grout 20KG - SKU NF0000051, shelf life 12 months

Packaging

Supplied in 20 kg bags or 1.2 T Bulk Bags
20 Kg bags packed on stretch wrapped wooden pallets
60 bags per pallet

Industry sectors

Coal Mining
Hard Rock Mining

Common use

Cavity and backfilling
Ventilation control
Grouting
Standing support

Available Regions

Asia
Australia and New Zealand (ANZ)

Downloads

Related products

FB200

Our FB200 low viscosity, high yield grout is used for many applications within underground mines. We have 20 years experience in using FB200 for stabilising rockfill to enhance stope extraction, constructing explosion rated ventilation seals.

TekSeal

High yield, long life foaming grout primarily used for ventilation applications and cavity filling.

Rockfast Hydroblend™

Fast setting, low viscosity grout used for fall recoveries. Supplied as a ready to use free flowing blended cementitious powder. It requires only the addition of water in a suitable placing machine.

Tekpak® P System

Minova's Tekpak® P Pumpable Crib System has been specifically developed to provide enhanced standing and roof support in underground coal mining and offers substantial benefits in terms of roof control, speed and ease of installation.