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Cement adhesive CERAfix® 421C

Cement adhesive CERAfix 421 C2 TE
ADH-TLE-CERAFIX-421C-C2TE-WHITE-25KG

Art.-no. 089035421
EAN 4099618651557

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Cement adhesive CERAfix® 421C

Art.-no. 089035421

Prices for customers after login
Quantity
PU

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Single-component cement adhesive, mixed binders, with improved bonding, elongated open time and reduced sliding effect - C2TE (NP EN 12004:2017). For indoor and outdoor use.

Supports


  • Cement base such as plaster, concrete or screed

  • Plaster and dry walling

  • Ceramic or natural stone base

  • The base plate must have completed a curing period of 28 days and be clean, dry and free of dust and grease

  • The base plate should remain at a temperature between 5 and 30 °C and should not hold a surface unevenness greater than 5 mm, otherwise it should undergo regularisation as before

Depending on the condition of the base plate and the thickness of the layer applied: 3.5 to 6 kg/m² depending on the size of the parts

This information is a recommendation only, based on our experience. However, we cannot accept responsibility for individual results with this product, due to its numerous potential applications and storage and application conditions that are beyond our control. We always recommend that you test the product first. We guarantee the quality of our products. We reserve the right to make technical alterations and developments.

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Application area
  • Indoor bonding of ceramic up to 1,200 x 600 mm on cement bases or up to 600 x 600 mm on plaster or dry walling or up to 900 x 450 mm on underfloor heating

  • Outdoor bonding (always double bonding) of ceramic up to 600 x 400 mm or 1,000 x 500 mm on façades less than 6 m or up to 600 x 600 mm on screed floors and sill membranes
Instructions

Base plate preparation


The base plate should be clean, dry, free of grease and consistent. If bonding is carried out on high-absorption base plates or under unfavourable heat and wind conditions, the base plates must be slightly dampened before applying the cement adhesive. Use the mixture within one hour.



Mortar preparation


Mix, preferably with a low-speed electric agitator, CERAfix with clean water (24 to 28 % water, i.e. 6 to 7 litres of water per bag). Let this paste rest for about 2 minutes, after which it will obtain a creamy and homogeneous consistency and will be ready for application.



Placement


Apply CERAfix cement adhesive in the area to be covered, in proportions appropriate for the work pace, using a notched trowel. On this layer, apply the parts to be bonded, adjusting them with a rubber mallet to press the cement adhesive bead, ensuring that the thickness of the cement adhesive between the base plate and the parts is no less than 7 mm after the bead has been pressed. On larger parts or whenever greater efficiency is desired, perform double bonding (part and base plate). For exceptional attachment, it is recommended to staple the parts. Make joints between parts, protecting the coating from expansions and contractions.

Weight of content

25 kg

Chemical basis

Cement and mineral additives

Standards

EN 12004

Colour

White

Min./max. processing temperature

5 to 30 °C

Processing time

3 h

Application conditions

at 23°C and 50% relative humidity

Application quantity in weight/area/conditions

5 kg/m² / depending on the absorbency of the surface

May be walked on after max.

15 d

Groutable after

24 h

Shelf life from production/conditions

12 Month / cool and dry storage area, no exposure to sunlight and weather conditions

Art.-no.
Cust. Mat. No.

Hazardous Material

Product information

Würth Portugal Catalogue

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Datasheets ()

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Technical information