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Silikal® R 81 resin

Chemical Family
Methacrylates

SILIKAL® R 81 resin is a reactive, solvent-free, low-viscosity, virtually non-yellowing 2-component methacrylic resin offering good resistance to water interaction. It serves primarily as a slightly elasticized and colorless top coat on sprinkled coatings in wet areas. The low viscosity enhances the penetrative capacity of the resin in sand-coated surfaces. Hot water stress is limited to +60 °C. The temperature stress may be increased to +80 °C for short periods, e. g. to allow cleaning, provided that the coating is not thoroughly warmed through to the substrate.

Identification

CASE Ingredients Functions
Binder & Resin

Product families

CASE Ingredients — Resins & Binders
  • Acrylics

Other characteristics

Brand
Silikal
End Uses
Top Coat
Features

High Capacity of Penetration, Low Viscosity, Water Resistance, Yellowing Resistance

Markets
  • Building & Construction
  • Paints & Coatings
Coating Type
Top Coat
Technology
CASE Ingredients
Labeling Claims
Solvent-free
Coating System
  • Colorless top coat
  • Pigmented top coat

Technical data

Table 1 of 1

11 rows
CharacteristicValueUnitMethod
Viscosity (20°C)approx. 120mPa.sDIN 53 015
Flow Time (20°C, 4 mm Cup)28 - 32sec.ISO 2431
Density (D₄²⁰)0.98g/cm³DIN 51 757
Flash Point10.0°CDIN 51 755
Pot Life (20°C, 100 g, 3 % pbw. Hardening Powder)approx. 15 min.——
Application Temperature0 - 30°C—
Density (Hardened state)1.14g/cm³DIN 53 479
Ultimate Elongation (Hardened state)2.7%DIN 53 455
Hardness (Hardened state)75.0Shore-DDIN 53 505
Water Absorption (4 Days, Hardened State, 50·50·4 mm)125.0mgDIN 53 495
Water Vapour Permeability (Hardened state)1.05*10⁻¹¹g/cm·h·PaDIN 53 122

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