NORPHEN FONDO IGRO

Mono Component Anchoring Base Coat

Description

NORPHEN FONDO IGRO is a mono component product composed of a mixture of liquid pre-poly-isocianates and additives dissolved in solvent.

The product, in the first hour after application, makes the anchoring surface adhesive for subsequent treatments based on polyurethane systems or other chemically compatible compounds. Furthermore, NORPHEN FONDO IGRO exhibits a good penetrating capacity and, after polymerization, allows the consolidation of the substrate to which is applied.

Usage field

NORPHEN FONDO IGRO is used as:

  • a base coat on dry surfaces made of concrete, asbestos-cement and wood;
  • impregnation and consolidation agent for all kind of substrates with a chalking problem;
  • an adhesion primer for all sealants belonging to the series BETONSEAL MS on porous cementitious or clay substrates.
Packaging

0.5 liter pot, 1 - 5 and 20 liters tins

NORPHEN FONDO IGRO

Mono Component Anchoring Base Coat

Application

Laying substrate preparation:

  • carefully ensure that the substrate is a suitable and structurally sound base;
  • the kind of treatment to be performed shall be chosen, depending on the actual state of the area, between the following:

- hot water pressure washing;
- washing by means of acids;
- sanding;
- diamond grinding;
- scarification;
- sandblasting.

  • In this way all dust, dirt, grease, oil, old adhesive or paint, laitance, rust, mildew and other foreign materials will be removed.
  • The depressions and inconsistencies of a floor (screed and concrete) to be coated must be compensated with MALTA RAPIDA, for thicknesses greater than 3 mm, or NORPHEN FONDO SL appropriately loaded with quartz sands of different granulometry, for thicknesses lower than 3 mm.

 

Product Preparation

  • NORPHEN FONDO IGRO is ready to use.

 

Product Application:

  • on deeply dry substrates apply NORPHEN FONDO IGRO using a roller or a flat brush, insisting in order to ensure the greatest possible penetration;
  • overcoat the subsequent treatment after at least 15 minutes and within 1 hour.

 

NORPHEN FONDO IGRO

Mono Component Anchoring Base Coat

Average Consumption

Variable coverage: 0.1÷0.2 liters/m2.

NORPHEN FONDO IGRO

Mono Component Anchoring Base Coat

Features

Bulk Density, UNI 8310

g/cm³

0.90 ± 0.05

Superficial Drying Time, UNI 8904

min

60 ± 15

Curing Minimum Time

days

7

Application Temperature

°C

from +5 to +35

Note: testing methods are in accordance with the standards referred to on the table.

 

NORPHEN FONDO IGRO

Mono Component Anchoring Base Coat

Warning and informations
  • The product is moisture sensitive. Close the box carefully in case of partial use.
  • A few days after the application of NORPHEN FONDO IGRO, the adhesion of any other material is compromised. Therefore, proceed with sanding and the next base coat reapplication.
  • The product is flammable, so act with appropriate caution. In closed environments provide adequate ventilation and protect the respiratory tract with an appropriate activated carbon mask.
  • Read the Material Safety Data Sheet (MSDS) before use. 
Preservation

12 months when stored in the original unopened packaging, in a dry place at temperatures ranging from +5°C to +30°C. The product is moisture sensitive.