R17 Mortar |
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2-component methacrylic resin mortar with a high compressive strength and |
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tensile strength in bending. It is characterized by very low linear shrinkage. |
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Because of its high strength, the mortar is suitable as a wear-resistant concrete coating |
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for coating thickness of 6 – 20 mm. The low shrinkage rate enables even larger |
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unevenness to be levelled out. The mortar surface resembles that of a fine exposed concrete. |
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The hardening time is about 1 hour at +20 °C, and hardening takes place in temperatures |
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ranging from -10 °C to +35 °C(approx. 1 – 3 hours). |
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The very low viscosity enables rapid mixability and application to be achieved. |
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Application |
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Special areas of use are on floors for traffic areas in industrial concerns which are subject |
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to heavy mechanical stress and as a localized repair mortar for indoors and outdoors. |
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Greater coat thicknesses can be achieved by adding further coarse aggregates (e. g. for |
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ramps, rail bedding, filler and screed mortars, casting bridge bearings). Suitable coarse |
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aggregates include non-absorbent mineral particles (e. g. quartz gravel) in the proportions |
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listed in the table below. |
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For large-volume applications, individual gravel stones up to 30cm in diameter |
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can be inserted. However, these should not touch each other, as otherwise this place |
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will have an increased tendency to fracture. |
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Advice on application |
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The substrate generally needs to be pre-treated. |
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R17 mortar consists of R17 Powder to which quartz sand of particle diameter up to 1.8 mm |
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has been added and the watery methacrylic-based R17 Hardener Liquid. |
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The consumption of basic mortar mix is 25kg/m² with 20mm of coat thickness. |
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The mixing ratio is 15kg (1 sack) of R17 Powder and 1.7 – 2.2 litres of R17 Hardener Liquid. |
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You must not use more or less than these quantities of hardener liquid, |
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as they already cover the range from stiff to low viscous. |
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Under no circumstances should other untested additives be added to the mixture. |
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The exact coating thickness of 6 mm must be observed. |
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On unevenness which runs out to zero, cuts must be made in the edge area. |
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Thinner coats will result in reduced strength and hardening problems. |
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Mixing the reactive resin mortar |
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To produce the mortar mix, 1.7 – 2.2 litres of R17 Hardener Liquid (depending on the desired |
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mortar consistency) is added to the R17 Powder. Because of its thin, viscous consistency, |
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the mix can be easily prepared in a short time by means of a high-speed agitator, while |
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smaller quantities can be prepared manually. Mixes with coarse aggregates can also |
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be produced using low-speed forced agitators or in the normal concrete mixer. You must |
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ensure that the coarse particles are not added until the R17 Powder and R17 Hardener Liquid |
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have already been mixed together. |
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The finished mortar is spread evenly by means of a doctor blade and smoothed or applied |
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using an aluminium lath and screed board. The boards should normally be made from |
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polypropylene strips (PP), as these can be easily detached from the mortar after hardening |
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and then cleaned. |
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The pot life at normal temperatures is about 12 – 14 minutes, |
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the hardening time about 60 – 90 minutes. |
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The values indicated will vary according to the ambient temperature. |
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Material calculator |
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PROPERTY |
APROX. VALUE |
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Density of motor in the hardened state |
2.15kg/cm³ |
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Compressiv strength |
65~75N/mm² |
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Appilication temperature |
−10℃ bis +35℃ |
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Tensile strength in bending |
27.5N/mm² |
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Modulus of elasticity |
7,000N/mm² |
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