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Application

For creating a plaster key as preparation for the application of Köster Restoration Plasters on mineral substrates (except gypsum).

Description

A fast, coarse plaster key with polymer additives for the substrate preparation of Köster Restoration Plasters. It also has very good bonding on very moist and highly salt burdened substrates. Salt burdened substrates must be primed with Köster Polysil TG 500.

Applications:

For creating a plaster key as preparation for the application of Köster Restoration Plasters on mineral substrates (except gypsum).

General information
Specification data
Product Reference

Köster Restoration Plaster Key Coarse

Standard product features

Colour:

Grey.

Consumption:

4–6 kg/m².

Technical characteristics:

  • Maximum aggregate size: 3 mm.
  • Pot life: 30 minutes (approximate, at 20°C).
  • Overcoat time: 30–60 minutes (approximate).
  • Compressive strength: >10 N/mm² (after 28 days).
  • Bending tensile strength: >10 N/mm² (after 28 days).
  • Water required for mixing: 5–6 L.

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