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CM 780 Fast Fibre

CM 780 Fast Fibre is a fibre reinforced, quick setting, pumpable self-levelling underlayment.

The product is suitable for new construction, renovation and heated floor systems. The product is intended for indoor use on substrates of concrete, lightweight concrete, stone, ceramic tiles, wood and gypsum underlay.

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Produktspezifikation

Technische Daten
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Die Freisetzung von Substanzen corrsive

CT

Druckfestigkeitsklasse

C25

Druckfestigkeit Durchschnitt

35 MPa

Biegezugfestigkeit Klasse

F5

Biegezugfestigkeit Durchschnitt

7 MPa

Feuerwiderstandsklasse

A1fl

RWFC

550

Die Haftung an der Oberfläche

B1.5

Dicke 1

5–100 mm

Stärke 2

6–100 mm on lightweight concrete

Körnung

< 2 mm

Materialverbrauch

1.8 kg/m²/mm

Gewicht (trocken)

1800 kg/m³

Wasserbedarf

3,6 l/20 kg

Fließrate

max 135 mm

Betriebstemperatur

10–25 °C

Mischzeit

3 min

Arbeitszeit

10–25 min

Abbindezeit

1–3 hrs

Abdeckbar (Fliesen)

12 hrs

Carpetable

1–3 days

pH-Wert

approx. 11

Wasserschaden resistent

yes

Oberflächen Zu, 28 Tage (poliert, geladene Oberfläche)

> 1.5 MPa

Schwindung

0.03–0.05 %

TVOC 28 Tage

< 10 μg/(m² h)

Verpackung
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78005

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 strength of the substrate should be no less than 0.5 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 90 % as the upper limit for pouring the CM 780. 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 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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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 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.

Nachbehandlung und Härten
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You can easily shape or cut the semi- hardened self-leveling underlayment material before it fully dries. Always make sure that the material is sufficiently dry before it will be covered by a carpet or a foilsystem. The CM 780 may be covered by a carpet or a foilsystem after 1–3 days depending on the thickness. The guiding value assumes a curing temperature of approximately 20 °C, 40 % RH and proper air flow.

Verbrauchsrechner

CM 780 Fast Fibre

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
  • Fax. +46 171 46 65 99
  • E-mail: info@combimix.com

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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