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It is the surface that gives the base material its final functional and optical properties.

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Powder and CDP Powder and CDP

Powder and CDP

Powder and CDP

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Processes

Organic coating

Painting technology is one of the most widespread and traditional surface treatments in industry. The continuous development of the technology over decades has led to a variety of completely different application techniques.

Collini primarily focusses on powder coating and cataphoresis (CDP) – a proven combination in the automotive industry. The design options in terms of colour, structure and gloss are limitless, while also providing optimal corrosion protection. In combination with hot-dip galvanising, powder coating provides maximum corrosion protection with many design options.

Collini Pulverbeschichtung
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Advantage

Advantages at a glance

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Technical data

CDPPowder
ProcessesElectrochemical dipping method, also known as cathodic dip coating (CDP) or "cataphoresis"Powder coating (electrostatically sprayed)
Coating colourblackWide colour spectrum (RAL, NCS, metallic)
Base materialSteel, galvanised steel, stainless steel, aluminium, grey cast iron, die-cast aluminiumSteel, galvanised steel, stainless steel, aluminium, grey cast iron, die-cast aluminium
Corrosion protectionup to 1000 h NSSTup to 1000 h NSST
HardnessHardness >/= 80 per BuchholzHardness >/= 80 per Buchholz
Temperature resistance-30 °C to +110 °C-30 °C to +110 °C
System technologyFrameCorona
ConformityRoHS, REACH, 2000/53/EC (End of life vehicle)RoHS, REACH, 2000/53/EC (End of life vehicle)
Executionoptional sandblasting, CDP with subsequent powder coatingoptional sandblasting and/or CDP primer
From our R&D>/= 80 per Buchholz>/= 80 per Buchholz
Protective propertiesProtection against corrosion, chemical influencesProtection against corrosion, chemical influences, UV rays, high weather resistance
Functional propertiesSliding properties, very good mechanical propertiesSliding properties, very good mechanical properties
Decorative propertiesUniform appearance, no drippingWide variety of colours (RAL, NCS, metallic), gloss level from matt to silky gloss to high gloss, smooth surface finish, fine structure or coarse texture can be achieved
Special propertiesUniform layer, which is ideal as a primer for coating with powder or wet paint
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Details

Typical components & applications

Typical components
Cover panels, switch cabinets, control panels, safety components, ventilation hoods, driver's cabs, crane superstructures, cover plates, undercarriage parts, chassis parts, motorcycle frames, cladding, engine parts, gear parts, holding and mounting plates, attachment parts, ventilation grills
 
Industrial applications

Mechanical engineering, commercial vehicles, recreational vehicles and two-wheelers, agriculture, biomass

Collini product portfolio

 

Cathodic dip painting

In CDP, the metal parts are dipped in thin-film lacquer, whereby the lacquer particles are applied evenly by electrostatic charge up to a layer thickness of around 25 µm and then baked at temperatures of approximately 180 °C. CDP is the perfect combination of corrosion protection, quality, economy and environmental friendliness. The coating is fully automatic and even, with no drips or traces of wear. Good edge coverage and coating of undercuts is very easy to achieve because the dip lacquer is very thin and can easily penetrate anywhere.

Powder coating

The powder particles, which are electrostatically charged in the powder gun, are blown onto the workpiece during powder coating. The workpiece is grounded so that there is a force of attraction, which makes the colour particles adhere. In the curing oven, they fuse at approx. 200 °C into a homogeneous, resistant powder coating layer (approx. 80 µm thick lacquer layer). The hardening or cross-linking that matches the component results in a perfect coating in terms of mechanical and chemical resistance. By selecting the appropriate type of powder, UV stability can be influenced. The colour hue, surface structures and gloss levels can be freely selected. The gradations from a smooth to a fine to a coarse structure have an influence on the tactile sensation, while the gloss levels, from high gloss to dull matt, complement the desired visual impression. Special effects, such as metallic, hammered or glaze effects complete the extensive range of design options.

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impressions

Collini KTL (kathodische Tauchlackierung)
Collini KTL (kathodische Tauchlackierung)
Collini KTL (kathodische Tauchlackierung)
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Contact

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