AMMT-018 Polyurea Multi-substrate Interface Agent

AMMT-018 polyurea multi-substrate interface agent is a type of thin primer composed of epoxy modified polyurethane resin, amine hardener and environment-friendly solvent. It can dry in a short time and favorably adhere to polymer substrates like rubber and glass fiber reinforced plastics, which improves the adhesion of polyurea to the said substrates.
Product Details

Product introduction:


AMMT-018 polyurea multi-substrate interface agent is a type of thin primer composed of epoxy modified polyurethane resin, amine hardener and environment-friendly solvent. It can dry in a short time and favorably adhere to polymer substrates like rubber and glass fiber reinforced plastics, which improves the adhesion of polyurea to the said substrates.


Features:


· Good adhesive force

· Better compatibility

· Low consumption


Range of application:


It is mainly used as the primer for polyurea material to realize favorable adhesion to multiple substrates. In addition, it can also be used as polyurea material primer to strengthen inter-layer adhesion.


Main performance indexes:


Color: Sandy beigeMass solid content: ≥26%
Mixing ratio: A: B=1: 5 (mass ratio)Specific weight: About 0.95 Kg/L



Standard film thickness and spreading rate
Thickness of wet film (μm/0.01 mm)30
Thickness of dry film (μm/0.01 mm)15
Theoratical spreading rate (m2 /Kg/0.01 mm)35.1


Drying timetable: Wet film thickness of 30μm and relative humidity of 50%
Substrate temperature10℃25℃30℃
Touch dry period (h)853
Interval for walking (h)24125
Repainting interval
Shortest (h)1285
Longest (d)433
Service life of mixed use (20℃, h)2


Construction description:


Construction condition: Temperature of painting substrate: 5℃- 45℃

The relative humidity is below 85%, the substrate surface temperature is over 3℃ higher than the dew point temperature and both the humidity and temeprature shall be measured near the substrate.

Outdoor painting is not allowed in rainy, snowy, foggy or strongly windy days.

Construction method: Using one-component sparying equipment or brush painting



Airless sprayingBrush painting
Spraying pressure8~12 MPa
Nozzle diameter525


The sparying pressure and nozzle dimension may be adjusted based on the specific requirements for sparying performance.


Tool cleaning: Methyl ethyl ketone

Surface treatment: The rubber and glass fiber reinforced plastics substrates should be polished with 40 grinder and the old coating should be dedusted and degreased. For details, see the construction process.


Compatibility:


Pre-process compatibility: It can be used together with coating materials such as epoxy, polyurethane and sparying polyurea.

Next-process compatibility: It can be used together with coating materials such as epoxy, chlorinated rubber, epoxy asphalt, asphalt family material, polyurethane and sparying polyurea.

Packaging specifications:

A component: 5L/barrel

B component: 20L/barrel


Storage:


The storage warehouse should be kept dry, ventilated and away from heat and fire. Packaging should be kept sealed and the storage period can be one year.


Safety:


All fire sources must be banned at the paint preparation and construction site. Construction personnel should wear protective equipment to avoid skin contact with the coating. If paint is spilled on the skin during construction, the skin should be immediately washed with a suitable cleaning agent or soapy water and consulted for medical treatment.


Statement:


1. All data in this manual are theoretical or obtained from the accumulated experience and may change with the improvement of this product, so please ask for the latest version timely.

2. When the technical personnel of our company are not on site, our company is only responsible for the quality of the coating material product itself.

3. The protective effect of any coating material relies on painting and construction to a large extent and various construction factors, including surface treatment and paint film thickness will directly affect the service life of the coating. When using the product, users shall ensure compliance with the construction conditions.

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