Description, generallyIGP „Metallic Effects“ coating powders
Please note that different coating systems.
consist essentially of reactive polymers with
e.g. different application equipment inclu-
the appropriate hardening agents, heat, light
ding „manual and automatic coating“, can
and weather resistant pigments and special
metallic effect pigments, normally aluminium pigments.
Coatings with metallic effects can be applied only with corona-pistols and „exte- rior charging“ with a voltage of 80-100 kV,
pearl gloss effects, these products need a without ion leakage system. transparent topcoat. This applies to products designed both for interior and exterior use. Automatic application should always be
With the appropriate weather-resistant IGP
given preference over manual coating. If
systems, the weather-fastness of the related
manual application is used in support,
facade quality is certainly also guaranteed. apply only as prime coat (Clouding).
The metallic effect pigments used are plate-
let-shaped, aligning flat and parallel to
rately adjust the conveyor and lifting speed
the surface of the film during the powder
and the pistol distance to match the local
Depending on melting viscosity and caused by the temperature control in the stoving
Powder delivery directly from the original
oven and the specific mass of the workpiece
to be coated, changes in effect (visible as changes in colour shades) can be induced.
Make sure that the parts to be coated are
This also means that different oven tem- peratures and heating-up speeds must be avoided and that thick-walled and thin- walled parts should not be coated side by Differences in coating thickness, which may be difficult to avoid in practical use and which exceed a certain tolerance limit, can also result in differences in colour shades or effects.
IGP Pulvertechnik AGRingstrasse 30CH-9500 WilTelefon +41 (0)71 929 81 11Telefax +41 (0)71 929 81 [email protected]
PG 203.2: IGP - Coating Powder - Metallic Effects
Operation data (with reference to the coating result)
which have been ascertained as being optimal should be
Stoving conditions:
We recommend cross-linking the metallic base coat
When coating objects on both sides (e.g. profile
sections), always coat the visible main facing side last.
• ≥ 100% cross-linking can result in coat / layer
Use only fresh powder for „Finish“ coatings.
Parts should not be taken off or rehung before the final
Base coat
Different stoving variants can be selected for these products:
When using a gas-fired oven with direct heating, check the intermediate adhesion of the top coat on the metallic base coat.
If automatic application is used and the lot size is suffi-ciently large, approx. 10% of the total volume may be
IGP-DURA®face 5807D, 5207D, 5208D, 5209D
added by way of recovery / reclaimed powder provided
that used powder and fresh powder are adequately
5 – 8 minutes, 180°C object temperature
blended and mixed. In this case, the coater is responsible, 10 minutes, 170°C object temperaturehowever, for generating an acceptable and reproducible colour and effect shade.
IGP-DURA®face 5803D, 8009D 5 – 8 minutes, 200°C object temperature
Instead of cyclone recovery, we recommend cartridge
module systems for recycling the nondeposited powder.
Both coats can be cross-linked according to the following
It is important to note that fluctuations and variations in
colour shades /effects may occur for the above reasons.
15 – 30 minutes, 180°C object temperature
We therefore advise working with limit value patterns
7 – 15 minutes, 200°C object temperature
which every user ought to generate on his own system. Important: the object temperature must be 180°C!
This colour shade is specified by RAL as anti-corrosive
paint with the added notice: Specimen copies not
10 – 15 minutes, 190°C object temperature
suitable for decorative purposes. Consequently, the IGP reiterations are only approximate. Contact us for the
Important: the object temperature of 190°C must be reached! As differences in material thickness and dimensions inside the stove do not allow these values to be
These are shown in the appropriate technical instruction
determined theoretically, the user must establish the above stoving data by making practical tests on his system. Powderful Solutions.
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