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Silikal® RH 65 resin

1 of 8 products in this brand
SILIKAL® RH 65 resin s a solvent free, fast curing MMA resin of very low viscosity. It is used for indoor screeds of 5-20 mm on concrete to equalize an uneven concrete surface. Screeds must be overlaid with a Silikal® coating system according to System A – E. The fast curing time of 1 hour, flexibility and filler rich formulation of 1 : 8 makes the mortar economical and can be applied at temperatures between 0°C and 35°C (refer to table of hardener). Hot water loadings must be limited to 60 °C. Excess temperature up to 80 °C will be accepted for a short moment as long as the temperature of the complete layer does not adopt the higher degree.

Chemical Family: Methacrylates, Poly(methyl methacrylate) (PMMA)

Compatible Substrates & Surfaces: Concrete

Features: Fast Cure, Low Viscosity

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Compatible Substrates & Surfaces
Hardener Dosages
Temperature Hardening Powder (% pbw.*) Pot life (approx. min.) Hardening time (approx. min.)
0°C 5 20 80
5°C 4 19 70
10°C 3 19 65
15°C 2 18 60
20°C 1.5 18 55
25°C - 35°C 1 12 50

* The quantity of hardening powder is always related to the quantity of resin including Additive I.

Properties

Resin Properties
ValueUnitsTest Method / Conditions
Viscosity (20°C)max. 50mPa.sDIN 53 015
Flow Time (20°C, 4 mm Cup)25 - 30sec.DIN 53 211
Density (D₄²⁰)0.97g/cm³DIN 51 757
Flash Point10.0°CDIN 51 755
Pot Life (20°C, 100 g, 3 % pbw. Hardening Powder)approx. 18 min.
Application Temperature0 - 35°C
Density (Hardened state)1.12g/cm³DIN 53 479
Ultimate Elongation (Hardened state)75.0%DIN 53 455
Hardness (Hardened state)40 - 45Shore-DDIN 53 505
Water Absorption (4 Days, Hardened State, 50·50·4 mm)125.0mgDIN 53 495
Modulus of elasticity205.0N/mm²DIN 53 457
Compressive Strength30.0N/mm²DIN 1164
Tensile Strength15.0N/mm²DIN 1164
Modulus of Elasticity1200.0N/mm²DIN 53 457

Regulatory & Compliance

Application

Layer thickness must be adjusted to the eveness of the concrete and to the mechanical loading and is recommended between 5 and 20 mm. Lower thickness must be avoided as the curing process will slow down. A higher thickness of more than 20 mm will cause shrinkage and tension. For a proper application mix hardener fi rst to the resin and add fi nally the fi ller mix. Normally there is no need to use pigments, however it could be an option.