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CM 920 Industrial

CM 920 Industrial is a pumpable self-levelling compound.

The product is intended for indoor use on substrates of concrete. The product may be used as an wear surface* in industrial use and as an self-leveling underlayment for epoxi and polyurethane surfaces.

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Produktspezifikation

Technische Daten
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Die Freisetzung von Substanzen corrsive

CT

Druckfestigkeitsklasse

C30

Druckfestigkeit Durchschnitt

36 MPa

Biegezugfestigkeit Klasse

F8

Biegezugfestigkeit Durchschnitt

10 MPa

Feuerwiderstandsklasse

A1fl

RWA

10

Die Haftung an der Oberfläche

B1.5

Dicke 1

5–30 mm

Körnung

< 2 mm

Materialverbrauch

1.7 kg/m²/mm

Gewicht (trocken)

1700 kg/m³

Wasserbedarf

3,6 l/20 kg

Fließrate

max 135 mm

Betriebstemperatur

10–25 °C

Mischzeit

3 min

Arbeitszeit

15–25 min

Abbindezeit

1–3 hrs

Abdeckbar (Fliesen)

12 hrs

Lackierbar mit Epoxi oder ähnlich

3–5 days

pH-Wert

approx. 11

Wasserschaden resistent

yes

Oberflächen Zu, 28 Tage (poliert, geladene Oberfläche)

> 2.0 MPa

Schwindung

0.03–0.05 %

Verpackung
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92005

20 kg

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Benutzen

Vorbehandlung
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The substrate should be clean and free of dust, cement skin, grease and other impurities that can prevent adhesion. Adhesion and surface resistance of the substrate should be no less than 1.5 MPa. Always prime the underlying substrate with PP 600 and allow to dry before pouring. In terms of the primer forming a film, the temperature of the substrate must not fall below 10 °C. For best results, the ambient temperature in the work area should be between 10 and 25 °C. At higher or lower temperatures, the time for curing will shorten or extend. With the risk for cracks due to shrinkage or settings in the subfloor, a concrete surface should not be leveled within the first 28 days after casting. As a recommendation the RH in the concrete should have reached RH 95 % as the upper limit for pouring the CM 920. Use the Combimix form foam for edging. In order to avoid drainage pipes from getting clogged, always make sure the drains are properly sealed before pouring.

Vermischung
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Mix the dry powder with max 3.6 liters of water (max 18 %) per 20 kg bag. Mix with a drilling machine and a whisk, or a mixing pump intended for this purpose. The correct water mixture can be tested using a slump test with a cylinder with Ø 30 mm and a height of 50 mm on a 300 x 300 mm plexiglas plate. With the correct water mixture, the spread should be max 135 mm. The slump test also checks that the material is well blended and that there is no separation.

Anwendung
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The mixed material is applied by hand, or pumped out onto the substrate in lengths. Each new ribbon is added to the old one as soon as possible so that the material can blend together and create an even surface. The width of the ribbons can be adjusted to the capacity of the mixing pump and the thickness of the covering. The material requires a light treatment with a toothed trowel to provide maximum smoothness.

Nachbehandlung und Härten
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You can easily shape or cut the semi hardened self-leveling underlayment material before it fully dries. The product is paintable with epoxi or similar after 3–5 days depending on the thickness. Always make sure that the material is sufficiently dry before it gets overcoated. The guiding value assumes a curing temperature of approximately 20 °C, 50 % RH and proper air flow. Newly produced surfaces must be protected against wind, sun and rain.

Verbrauchsrechner

CM 920 Industrial

Verbrauchsrechner

phone

+46 171 46 65 90

Kontaktieren Sie unsere Auftragsabteilung

Kontaktiere uns

  • Verkstadsvägen 6
  • 746 40 Bålsta, Schweden
  • Tel. +46 171 46 65 90
  • E-mail: [email protected]

Combimix

Combimix entwickelt und produziert Mineral-basierte Produkte für die Bauindustrie. Unsere Produktpalette umfasst Produkte für den Bodenausgleich, Fassadenputz, Rendering, Beton-Resurfacing und Restaurierungsmörtel für Kulturbauten. Wir führen Vertrieb in Schweden, Dänemark, Norwegen und den Vereinigten Staaten.

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