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NBS Source

Application

Suitable for calcium sulfate based screeds.

Also for use on timber floorboards, particleboard, oriented strand board (OSB) and hardboard.

Suitable substrates:

Sopro MGR 637 is used in undiluted form, blinded with 0.4–0.8 mm Sopro QS 511 coarse silica sand, as a primer for mineral and moisture sensitive substrates, e.g. concrete, cement or magnesium oxychloride (magnesite) screeds.

Description

Extra-low-emission, quick-drying, one-component reaction resin primer. Particularly suitable for calcium sulfate-based (anhydrite) screeds when laying large-format fully vitrified stoneware units and for stabilizing all types of absorbent and non-absorbent substrate.


Features and benefits:

  • For indoor and outdoor use.
  • Specifically for calcium-sulfate based screeds when laying large format fully vitrified stoneware units.
  • Suitable for floor heating systems.
  • Ready to receive covering: after 30–40 minutes.
  • Water and solvent-free.
  • GISCODE RU 1 – solvent-free to TRGS 610.

General information

Uniclass

Pr_35_31_66_30 Floor covering primersPrimary

CAWS

M13/10 Proprietary trowelled levelling screeds

M13/110 Proprietary trowelled levelling screeds

M13/120 Proprietary self smoothing levelling screeds

Product range

Primers

Specification data - Floor covering primers

CoverageArea

Approx. 175 g/m² per priming coat; 175–350 g/m² (1–2 coats); avoid ponding.

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