Expendable Abrasives

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Sibelco is a leading manufacturer of high-quality blast cleaning abrasives for surface preparation, working with customers worldwide across a broad range of markets.

We offer a range of single-use abrasives for ‘open’ blast cleaning. All products in our expendable abrasives range comply with ISO standards 11126-11127 and contain less than 1% free crystalline silica.

Also see our range of recyclable abrasives and special abrasives.

Iron silicate

NAstra®

An iron silicate (copper slag) abrasive, perfect for blast cleaning steel, stone and concrete, and for the removal of mill scale, rust, old paint and dirt. NAstra® is suitable for surface preparation standards SA-3, SA-2½, SA-2 and SA-1. It is a non-hazardous material, containing less than 0,1% free crystalline silica.

NAstra® is formed during the copper production process, as an iron silicate melt undergoes thermal shock treatment to create a unique glassy, amorphous granulate.

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OK-Grit

An iron silicate blast cleaning abrasive made with slag from the Boliden Harjavalta nickel smelter in Finland. OK-Grit is suitable for a wide range of blasting applications and also as a high-quality granule for the roofing industry.

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Bekagrit

An iron silicate (copper slag) abrasive grit, perfect for blast cleaning steel, stone and concrete and for the removal of mill scale, rust, old paint and dirt. Bekagrit is suitable for surface preparation standards SA-3, SA-2½, SA-2 and SA-1. It is a non-hazardous material, containing less than 0,1% free crystalline silica.

Bekagrit is made from granulated slag derived from metal melting processes.

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Fajalit

A granulated iron silicate material extracted at Boliden’s Rönnskär copper production facility in Finland through a unique process called ‘fuming’ whereby the silicate is exposed to high temperatures, resulting in a very pure product. After drying, the material is then sieved to an optimum particle size for blasting. Fajalit can be used on most surfaces.

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Aluminium silicate & Calcium silicate

Vasilgrit®

An aluminium silicate (coal slag) abrasive grit, perfect for blast cleaning stone, concrete and steel, and for the removal of mill scale, rust, old paint and dirt. Vasilgrit® is suitable for surface preparation standards SA-3, SA-2½, SA-2 and SA-1, as well as for sweep blasting.

Derived from coal-fired power stations, Vasilgrit® is an inert, natural sandblasting abrasive that contains less than 0,1% free crystalline silica.

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Scorex®

A blast cleaning grit made from iron furnace slag (calcium silicate). Scorex® meets ISO 11126-6 quality standards and is suitable as a blast-cleaning abrasive for all types of conventional corrosion protection on almost all surfaces. It performs particularly well in the blast cleaning and treatment of natural stone and concrete surfaces.

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Garnet

AbraCut®

AbraCut® is made with garnet, a naturally occurring mineral that is non- toxic, chemically inert and contains no free quartz. It is perfect for blast cleaning stone, concrete and steel, and for the removal of mill scale, rust, old paint and dirt.

Abracut® is suitable for surface preparation standards SA-3, SA-2½, SA-2 and SA-1 (sweep blasting). It is also used in blast rooms, cabinets and for wet / damp blasting systems. Abracut® is suitable for blasting thermally-treated/galvanised materials and for façade cleaning. It can also be used to clean concrete and for water filtration.

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Minersiv®

Specially developed as a high-pressure waterjet cutting media, Minersiv® garnet is re-dried and re-screened at our Hamburg facility to obtain optimal grain size distribution and moisture content, and to guard against possible contaminants. Minersiv® is available in #80 and #120 mesh.

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Other abrasives