Surpassing clients' expections for over five decades!
In the beginning
Our tale starts in the 1950’s when Dr Ulrich Weissenberg investigated ion exchange capabilities of the mineral vermiculite. In those earlier times, the fledgling South African Palabora Mining Company extracted vermiculite independently of the major copper mining operation in the north of South Africa.
Vermiculite is a mineral that resembles mica and has a unique quality. When heated, it expands in a similar way to the swelling of a book’s pages when wet. Additionally, the expanded Vermiculite is heat stable, absorbent and lightweight. This makes it a perfect product for use in horticulture, packaging and insulation. Micronized began operating in 1972 when a joint venture was formed with Palabora Mining Company Limited to develop novel applications for vermiculite. A research facility together with manufacturing facilities were established south of Johannesburg.
1972 – The first 10 years: Innovation
Goldflo®, a filter aid was developed by Micronized in 1974 and utilised in the water, beverage and oil filtration sectors. A variety of filler and mineral extender products using cutting-edge micronising technology came next.
Vermiculite products were created from mining streams, turning waste materials into marketable commodities.
In 1977, rotary kilns and pulverisers were producing products for the glue, paint and agricultural industries. Capacity and facilities were improved and by 1981, markets were established in veterinary medications, asbestos substitutes and oil spill absorbents.
1982 – 1992: Diversification and the next generation
A significant contract to supply vermiculite as a soil stabiliser for one of South Africa’s largest electricity-generating facilities marked the beginning of the 1980s. Over a three-year period, up to 8 truckloads were delivered every day. There were subsequent advancements in the use of raw vermiculite as specialised carriers for vitamin and mineral premixes in animal feed.
But by 1985, the South African economy was becoming constrained as a result of international isolation. Foreign exchange was in short supply and sanctions made it increasingly difficult to export products. A decision was taken to establish a manufacturing facility in the USA and a production plant was started in Northern California.
Diversification became policy and Micronized started producing minerals for the paint industry in 1989. Contract milling was also offered and mica and talc were added to the product range. Capital was raised to acquire the minerals division of the Rand London Corporation. By 1991, Micronized had developed into a fully-fledged mining and minerals processing business. The product line expanded to include feldspar, quartz, barytes and high-brightness dolomite.
1992 – 2002: Consolidation and growth
The years leading up to South Africa’s first democratic elections were filled with challenges and opportunities. As South Africa re-joined the international community, manufacturing in the country was upended by imports and an inflow of first-world innovation.
Micronized responded to the new environment by concentrating on value addition to its product range. These specialised materials were marketed to a variety of industries including pharmaceuticals, ceramics, personal care and even fire extinguishing powders. Operations in Limpopo were extended and updated and by 2000, Micronized became the largest supplier of pegmatite minerals on the African Sub-continent. Many of the processing machines developed in-house during the sanctions years remain in use to this day.
Ken Watson and Ron Weissenberg – 1992
Wellington Ncube – 1994
2002 – 2012: Growth and Complacency
In the early 2000s. South Africa experienced a period of economic growth, stable politics and the afterglow of Nelson Mandela’s dream of a “Rainbow Nation”. Business thrived and exports to the Middle East, Australasia and continental Europe were developed. Specialised agencies for chemical additives and processing aids, complementary to the range of minerals were formalised.
New ideas and strategies were needed. The Board of directors was expanded and additional operational management was appointed.
Horizontal expansion and acquisition became the new buzzword. By 2006, the company was working towards a listing on the Johannesburg Stock Exchange, which necessitated a move towards corporatisation. Professional managers replaced the family business founders and systems, procedures and compliance was prioritised. This coincided with the 2008 global financial crisis and by the end of the decade, the company was top-heavy, profit margins were low and cashflow became increasingly compromised.
Policies had replaced people and it was time to go back to the drawing board.
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Sign of the times . . .
The 2008 global financial crisis took it’s toll on the company. Ultimately, these hard times forced positive change.
2012 – 2025: A new dawn and the age of novelty
For many, the Mayan prophecies of 2012 signified the end of the world. It certainly seemed that way for Micronized, which reported ongoing losses and increasing debt. The company suffered a debilitating strike over a five-month period. Introspection and humility were needed.
By the end of 2013, the shareholders intervened. The Board of Directors was reconstituted and a new management team was appointed. Customer-focused policies aimed at increasing productivity and creating a leaner structure were implemented. Within two years Micronized had slashed overheads, increased efficiencies and gained market share.
In addition, two mining operations were acquired in the Eastern Cape Province of South Africa the processing of Kaolin and ball clay commenced in Grahamstown. A drying facility and bulk handling facilities for large offtake customers were commissioned in Limpopo.
The R&D facility was replaced by a customer-friendly technical service. Systems were upgraded and by the end of the decade, the company had moved from fixed corporate offices to operating remotely and online. Formal meetings were held on site at production facilities. Bling was out – replaced by innovation and customer service. In 2022, the Benrose factory converted to solar power – the first factory in the area to commit to energy independence.
Limpopo Production Works
In harmony with nature – drone views of Union Mine – 2026
Half a century and beyond
From shared offices and a part-time administrator some 55 years ago, Micronized has grown into the foremost producer of industrial minerals in Southern Africa, mining and processing over 100 000 tons per annum.
The company has navigated through many local and international milestones and crises. With three mining operations and factories in Johannesburg, Limpopo and Grahamstown, Micronized’s story is really about people – innovators, workers, eccentrics and dedicated humans.
In an increasingly complex world dominated by electronics and the information age, Micronized maintains its focus on sustainability and measured organic growth.
Whatever the dynamic future holds, minerals and raw materials will be required and Micronized will be there.
