Industrial Flooring

Primers

Monneli Primer PU

Polyurethane Primer

Uses
Recommended for Colmef’s PU Resin System
Can be applied to masonry concrete, cement render, precast concrete panels, metal and brick
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Technical Information
Product Description

PRIMER PU is a single pack, modified Polyurethane primer designed to improve adhesion between a large variety of coatings and substrates. It acts as a sealer on porous substrates such as concrete and improves adhesion to difficult substrates such as non-ferrous metals.

Advantages
  • Tough and flexible
  • High chemical and hydrolysis resistance
  • High abrasion resistance
Technical Properties
Appearance

Liquid

Color

Yellow

Mix Density at 25°C

0.95 kg/L

Adhesion to Concrete

> 2.1N/mm²

Recoatable

after 3 hours

Fully Cured

7 days

Tack free time

Approx. 2 hours

Service Temperature

-5 to 80°C

Application Information
Instructions for use

Mixing

Stir PRIMER PU thoroughly before use. Product is ready to use.

Application

PRIMER PU is usually applied in one coat, using brush, roller or air brush spray gun, homogeneously covering the substrate. In certain cases, for complete sealing of substrate, a second coat may be necessary. Allow the primer to become tack-free. Over coating with the selected Colmef PU Resin System can be done within maximum 6 hours of application of the primer.

Cleaning

Clean tools with SOLVENTE 10 promptly before material hardens. Cured material must be mechanically removed.

Recommendations

  • PRIMER PU should not be applied on asphalt floor and PVC tiles
  • PRIMER PU should not be applied on the surface that has greater than 4% maximum moisture content
Surface Preparation

All surfaces should be sound, clean, dry and free from loose and flaking material, efflorescence, laitance, curing compounds, dirt, oil and grease.

New concrete or cementitious surfaces should be allowed to cure and have moisture content not exceeding 5%.

In case of old concrete floors use mechanical methods like grinding or blasting in order to provide a suitable clean surface.

Expansion joints shall be repaired using EPOMORT HS, a High strength solvent free epoxy mortar.

Metal surfaces must be perfectly cleaned up to the white metal by sand blasting, and then treated with one coat of PRIMER PU before the oxidation process begins again.

Additional Information
Health & Safety

Avoid contact with skin & eyes. Protective clothing such as gloves & safety goggles should be worn during application. Treat any splashes to the skin or eyes with fresh water immediately.

 

Should the product be accidentally swallowed, do not induce vomiting, but call for medical assistance immediately. Ensure adequate ventilation at site and avoid inhalation of vapors.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

additional materials
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Technical Properties Sheet
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Self-Levelling Cementitious Mortar

Uses
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