G.M. Associates

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Chemicals

Johannesburg, South Africa

G.M. Associates CC is a company formed in July of 1986 for the purpose of developing and manufacturing speciality chemicals required by the mining, metallurgical and food industries. G.M Associates has more than 55 years of experience in the production, use and marketing of Guar, CMC and starch based products to these industries. The company specialises in gangue depressants utilising Guar Gum, Starch and Carboxymethyl Cellulose as precursors. The chemical modification of these materials is done in our factory in Robertville, Johannesburg.

A flotation enhancer for Copper and Nickel ores is also manufactured.

Modified Polysaccharide Polymers

G.M. Associates specialises in custom made polysaccharide polymers for various food, mining and other industrial applications such as; textile, building, paper, ceramics adhesives, etc.

These products are all developed in our laboratories by highly experienced and qualified metallurgical engineers who are also responsible for servicing the mines and making sure that the products developed continue to perform satisfactorily.

G.M. Associates also has a trading division to source any reagents and chemicals on a world wide basis. Our clients consist mainly of the major mining groups in Southern Africa.The company also supplies Guar based gels and gelling agents to the explosives and food industries.

GEMPOLYM is widely used as a flocculant to produce liquid solid separation

GEMPOLYM is also used in flotation. It acts as a depressant for talc or insoluble gangue mined along with the valuable minerals.

GEMPOLYM increases the permeability of the filter cake, resulting in an increased filtration rate. Gempolym flocculates in an acid environment.

Overview

GEMPOLYM FOOD THICKENERS are Guar Gum or Carboxy Methyl Cellulose based, and are extensively used in the following industries

• Canned meats, fish, vegetables and soups.

• Fruit Juices

• Dairy Products - such as ice-cream, cheese, spreads, yoghurts, instant

pudding etc.

• Moisture stabiliser for processed meats and pet foods.

Gempolym Explosives Applications

1. Gelling agents for gel sausage type explosives and pumpable slurry explosives.

2. Crosslinking agents for gel and slurry explosives systems.

Gempolym Drilling Applications

High viscosity GEMPOLYM products are used as drilling aids in oil well drilling, geological drilling and water drilling. These products are used as viscosifiers to maintain drilling mud viscosities that enable drilling fluids to remove drill waste from deep holes.

These GEMPOLYM products also reduce friction in the holes, and so minimising power requirements. Some GEMPOLYM products act to minimise water loss should it occur in broken geological formations.

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