Grundix Contact+
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Cemflow Primer
 

Grundix
BetonContact

CONTACT PRIMER FOR GYPSUM PLASTERS
 
Advantages:

  • Excellent adhesion to the concrete

  • Exterior and interior use

  • One-component, easy application

  • Prevent water loss from the plaster to the surface

  • Improves the mortar workability in its application

Description:
Grundix BetonContact is pasty primer that improves the adhesion between the gypsum plaster and smooth concrete surfaces.
Ready to use.

Usage


Grundix BetonContact provides adhesion between all types of smooth concrete surfaces with minimal water absorption and gypsum machine plasters. Contains organic binders and selected quartz sand, which make an excellent bond between the plaster and surface. Recommended for:
smooth concrete
ceilings of finished concrete elements
precast concrete element.

Materials Supplied

Grundix BetonContact is available in packs from 1.2 kg, 5 kg, 20 kg.

Coverage


Approximately, depending on substrate250 - 300 g / m2

Storage/ Shelf Life

Grundix BetonContact has a shelf life of 12 months if stored in proper conditions, at temperatures range between + 5°C and 35 °C in its original unopened packing.

Remarks

Grundix BetonContact is used only at temperatures of the surface, air and  material itself above 5 ° C.

Not apply on wet, frozen or covered with condensation surfaces.

Standard

  • EN 13300

Technical Information

Density
1.53 g/cm³
Test drying
EN ISO 3678:1996
< 3 h
Adhesion on substrate
EN ISO 4624:2004
2.8 N/mm2
Liquid water permeability
EN 1062-3:2008
0.1 - 0.5
II class
pH
7.5
Maximum grain size
EN 13300:2004
< 1500
Large
Brookfield viscosity
EN ISO 2555:2003
10000 mPa.s

The technical data are specified at 23 ± 2 °C.

Application Information


APPLICATION

Stir well Grundix BetonContact with slow-speed paddle.

Grundix BetonContact is applied by brush, roller or spray machine. Do not dilute the material.

Leave to dry for 12 hours, depending on the specific conditions. In cool, damp weather drying may last longer.

The surface must be completely dry and not sticky to touch before applying gypsum coverage.

CLEANING

All tools and equipment should be cleaned immediately after use with clean water.





Download file

Technical Data Sheet
Grundix BetonContact
Safety Data Sheet
Grundix BetonContact


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