CAST BASALT

Cast basalt is a mineral material produced by melting natural basalt at a temperature of approximately 1300°C, followed by casting into moulds. This contributes to its superb physical and chemical properties.

Technical properties of cast basalt:

  • Tested and confirmed by the MFPA Leipzig (Material Research and Testing Institute for the building industry).
  • All parameters relevant to the area of water management were reached or even greatly exceeded (test report PB 1.1/15-056-8 issued on 26/01/2016 is available upon request)
  • Chemical resistance to nearly all acids and alkalis
  • Frost resistance
  • Zero water absorption
  • Complete corrosion resistance
  • Compressive and abrasive resistance
  • Smooth surface
  • Mohs hardness = 8 (for comparison: dental enamel = 5, diamond = 10)
  • Can be used at pH values between 3 and 13
  • Pure natural substance, which means that it is non-toxic and is not hazardous to the environment or groundwater
  • Superbly suitable as anti-slip tiles for floors (different formats and structures), stairs (format 300 x 200 x 30 mm), and skirting (various lengths, heights, and thicknesses)

Cast basalt, as a natural, non-toxic substance, is not hazardous to the environment or groundwater.

RANGE OF PRODUCTS – CAST BASALT:

The Th. Scholten GmbH & Co. KG offers a wide range of standard channels and formpieces made of cast basalt for different channel shapes:

Channels and formpieces for sewage drains (Prague format)

  • Channels with and without lock
  • Channel with side elements (a lock is used to join side elements together to form a channel and to align adjoining side elements)

Channels for egg-shaped sewage drains with the format W:H = 2:3
This channel format is frequently used to line the bottom of channel. If the sewer sides are to be lined as well, standard cast basalt formpieces are used.

Standard formpieces

  • Channel elements, which are used as floor drainage for shaft floors or for lining stretches, for example.
  • Thicknesses from 20 to 25 mm
  • Length 500 mm

Radial formpieces can be used for a variety of purposes

  • Thicknesses of 23 and 30 mm
  • Length 250 mm

Sewer bricks

  • For the brick lining of shafts, walls and other sewer surfaces (bricks, edges and half-edges, wedges, tiles, and channels)
  • Length 250 mm

Anti-slip tiles and skirting sections

Anti-slip tiles are frequently required in walk-in sewer sections.

  • Square (dimensions, for example: 200x200x23 mm, 250x250x23 mm, 197x197x23 mm)
  • Hexagonal (dimensions, for example: Ø230×40 mm, Ø200×40 mm)
  • Staircase steps (dimensions, for example: 200x230x23 mm)

Skirting: L-Sections provide a neat finish and are available in the following sizes:

  • Width: 250 and 230 mm
  • Height: e.g. 200, 130, or 90 mm
  • Thicknesses: 20, 22, and 36 mm

Brick slips:

  • Width: 340, 250, and 200 mm
  • Height: 75 mm
  • Thickness: 15 mm

Generally, any formpieces specifically shaped for a project can be manufactured or cast. The corresponding mold costs are only incurred once.

Cast basalt is a renowned material for the lining of spiral troughs in purification plants – an economical, permanent solution against wear, corrosion, and chemical stresses. For example, after many years of positive experience in a large purification plant near Cologne, six further spiral troughs were lined with the patented system from the Th. Scholten GmbH & Co. KG.

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