About MetteQ Holdings

The MetteQ Group focuses on developing, manufacturing and supplying the following high-tech products and solutions for the chemical, metallurgical, construction and agricultural industries:


Sunperl Horticultural Grade Perlite is used for soil-less growing medium; hydroponics; and potting soils.

Sunperl Construction grade Perlite is used as a light-weight concrete and in fireproof insulation materials.

Sunperl Filter-Aid is used for the filtration of wine; fruit juices; metal solutions and edible oils.


Sunperl-V is used as a growing medium; for ceiling insulation; cavity wall insulation; low density screeds; gunning mixes; insulating castables; and fire proof insulation materials.


Steristall is used for horse stable and chicken bedding. It is used as an absorbent for water, oil and chemicals.

Sterimat is used on the floors of stables; horse boxes, trailers, bakkie load beds and cattle ramps.


Metflux De-Dross 47 recovers aluminium from dross; improves drainage of metal from dross; reduces oxidisation; and prevents thermiting.

Metcote is used for the drying of dross in reverb furnaces; accelerates recovery from metal furnaces; increases metal recovery and reduces oxidisation.

Metcote is also used for the coating of steel furnace tools, dross buggies and launders; explosion prevention and as a release agent to prevent aluminium sticking to steel surfaces.


Calsorb is used as a chemical carrier and for aviation fuel filtration, diesel filtration and the filtration of transformer oil.

Industsorb is a desiccant absorbent and a chemical carrier.

Atsorb is used for the cleanup of aquaeous and hydrocarbon spills.

Petsorb is used as cat litter.

Cleanbath is chinchilla washing sand.

We are a customer-focused group of businesses owned by engineers with a passion for technology. We design and build most of our own equipment and, being owner-managed, can be price competitive in a high-tech environment. Our vision is to develop a large, multi-product facility using in-house, core technical competencies to ensure we remain commercially relevant.

We pride ourselves on an inherent culture of engineering excellence and exceptional technical support with highly qualified and experienced engineers and many years of professional experience.

With an emphasis on the needs of our customers, our people are technically astute, flexible and quick to react. The MetteQ group has a centralised management structure ensuring efficient and cost effective overheads. Through ongoing innovation, we ensure that our products are world-class and offer excellent value.
We pride ourselves on our customer retention rate which is achieved through competitively-priced, quality products and world-class technical support.
As a proudly South African manufacturing facility, we place particular emphasis on our Health and Safety and training programmes. We provide in-house and external training, all of which is accredited as we see the growth potential of our employees and future opportunities as a high priority.

Sun Silicates (Pty) Ltd focuses on supplying high-tech consumable products to the chemical, metallurgical and agricultural industries. Sun Silicates is a manufacturer and distributor of the following product categories:

• Potassium and Sodium Silicate-based products.

• Exfoliated Perlite used in: the filtration of wine, fruit juices, metal solutions and edible oils; horticulture for soil-less growing media; hydroponics and potting soils; construction and paint for light-weight concrete and fireproof insulation materials.

• Exfoliated Vermiculite used in: construction as ceiling insulation and cavity wall insulation; in agriculture as a growing medium; horticulture for hydroponics and potting soils; and in industrial sectors as fire proof insulation materials.

Special Products used as chicken and horse stall bedding; and rubber mats used on the floors of stables.


Matutu Milling mines, dries, calcines and screens Attapulgite clay into different product grades for use: in absorbents for hydrocarbon spills and cat litter; as a desiccant absorbent; in bleaching earth; as binders for the granulation and filtration of transformer oil; diesel filtration and aviation fuel filtration.

Metflux is a manufacturer of cover flux and flux coatings for the aluminium and foundry industries.