Koster Restoration Plaster Key Coarse
Verified by manufacturer 5 months ago
Grey, course plaster key which can be quickly plastered over.
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.
General information
Color | Grey |
Warranty description | Ten year |
Uniclass | |
CAWS | M20/220 Multicoat proprietary plaster M20/42 Multicoat proprietary plaster |
Specification data - Lime plasters
Colour | Grey. |
Consumption (per layer applied) | 4–6 kg/m². |
MaxAggregateSize | 3 mm. |
Pot life | 30 min. Guidance for specification option: Approximate, at 20°C. |
Overcoating | 30–60 min. Guidance for specification option: Overcoat time, approximate. |
BendingStrength | >10 N/mm². Guidance for specification option: Bending tensile strength, after 28 days. |
WaterRequirement | 5–6 L. Guidance for specification option: Water required for mixing. |
CompressiveStrength | >10 N/mm². Guidance for specification option: After 28 days. |
Sustainability data
Contains Red List materials | No |
Recyclability | No |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Literature
Koster - The Green Pages of Construction Chemicals