Corrosion protection

CENARIS corrosion protection systems significantly extend the lifetime and thus the economic efficiency of your workpieces. Our powder coating corrosion protection systems are suitable for all common substrates.

Corrosion protection for aluminium

System 1: Aluminium in facade areas in accordance with GSB/QUALICOAT guidelines

PRE-TREATMENT: Chromating or chrome-free passivation or pre-anodisation (depending on requirements - see detailed overview)
Cover coat
	MEGAPOL® F	Series 140	approx. 80 µm
alternatively	MEGAPOL® F-NT	Series 141	approx. 80 µm
alternatively	MEGAPOL® HWF	Series 150	approx. 80 µm

System 2: Aluminium in industrial areas
in exterior environments with UV protection in accordance with QIB guidelines (two-coat system)

PRE-TREATMENT: Chromating or chrome-free passivation or sweep blasting with a ferrite-free abrasive (e.g. corundum) (depending on requirements - see detailed overview)
Primers
	MEGAPRIMER® EP	Series 110	approx. 60 - 80 µm
alternatively	MEGAPRIMER® EP-NT	Series 111	approx. 60 - 80 µm
alternatively	MEGAMIX® PRIMER	Series 122	approx. 60 - 80 µm
Top coat
	MEGAPOL® I	Series 130	approx. 80 µm
alternatively	MEGAPOL® I-NT	Series 131	approx. 80 µm
alternatively	MEGAPOL® F	Series 140	approx. 80 µm
alternatively	MEGAPOL® F-NT	Series 141	approx. 80 µm
alternatively	MEGAPOL® HWF	Series 150	approx. 80 µm
alternatively	MEGATANE® AGF	Series 160	approx. 80 µm

System 3: Aluminium in industrial areas
in interior environments with extreme chemical exposure in accordance with QIB guidelines (two-coat system)

PRE-TREATMENT: Chromating or chrome-free passivation alternatively sweep blasting with a ferrite-free abrasive (e.g. corundum) (depending on requirements - see detailed overview)
Primers
	MEGAPRIMER® EP	Series 110	approx. 60 - 80 µm
alternatively	MEGAPRIMER® EP-NT	Series 111	approx. 60 -80 µm
Top coat
	MEGAPOX®	Series 100	approx. 80 µm
alternatively	MEGAMIX®	Series 120	approx. 80 µm
alternatively	MEGAMIX® NT	Series 121	approx. 80 µm

Corrosion protection for hot-dip galvanised steel

System 1: Hot-dip galvanised steel in exterior environments according to DIN 55633-1 (2021-3)
Corrosivity category C3 protection duration high

PRE-TREATMENT: Sweep blasting with a ferrite-free blasting abrasive (e.g. corundum) or zinc phosphating or chromating or chrome-free passivation (see detailed overview)
Cover coat
	MEGAPOL® I	Series 130	approx. 80 µm
alternatively	MEGAPOL® I-NT	Series 131	approx. 80 µm
alternatively	MEGAPOL® F	Series 140	approx. 80 µm
alternatively	MEGAPOL® F-NT	Series 141	approx. 80 µm
alternatively	MEGAPOL® HWF	Series 150	approx. 80 µm
alternatively	MEGATANE® AGF	Series 160	approx. 80 µm

System 2: Hot-dip galvanised steel in exterior environments according to DIN 55633-1 (2021-3)
Corrosivity category C3 protection duration very high or C4 protection duration high

PRE-TREATMENT: Sweep blasting with a ferrite-free blasting abrasive (e.g. corundum) or zinc phosphatising or chromating or chrome-free passivation (see detailed overview)
Primers
	MEGAPRIMER® EP	Series 110	approx. 60 µm
alternatively	MEGAPRIMER® EP-NT	Series 111	approx. 60 µm
Cover coat
	MEGAPOL® I	Series 130	approx. 80 µm
alternatively	MEGAPOL® I-NT	Series 131	approx. 80 µm
alternatively	MEGAPOL® F	Series 140	approx. 80 µm
alternatively	MEGAPOL® F-NT	Series 141	approx. 80 µm
alternatively	MEGAPOL® HWF	Series 150	approx. 80 µm
alternatively	MEGATANE® AGF	Series 160	approx. 80 µm

System 3: Hot-dip galvanised steel in exterior environments in accordance with DIN 55633-1 (2021-3)
Corrosivity category C4 protection duration very high or C5 protection duration high

PRE-TREATMENT: Sweep blasting with a ferrite-free blasting abrasive (e.g. corundum) or zinc phosphating or chromating (see detailed overview)
Primers
	MEGAPRIMER® EP	Series 110	approx. 80 µm
alternatively	MEGAPRIMER® EP-NT	Series 111	approx. 80 µm
Cover coat
	MEGAPOL® I	Series 130	approx. 80 µm
alternatively	MEGAPOL® I-NT	Series 131	approx. 80 µm
alternatively	MEGAPOL® F	Series 140	approx. 80 µm
alternatively	MEGAPOL® F-NT	Series 141	approx. 80 µm
alternatively	MEGAPOL® HWF	Series 150	approx. 80 µm
alternatively	MEGATANE® AGF	Series 160	approx. 80 µm

System 4: Hot-dip galvanised steelin interior environments
with extreme chemical exposure in accordance with DIN 55633-1 (2021-3)
Corrosivity category C4 protection duration very high or C5 protection duration high

PRE-TREATMENT: Sweep blasting with a ferrite-free blasting abrasive (e.g. corundum) or zinc phosphating or chromating (see detailed overview)
Primers
	MEGAPRIMER® EP	Series 110	approx. 60 - 80 µm
alternatively	MEGAPRIMER® EP-NT	Series 111	approx. 60 -80 µm
Top coat
	MEGAPOX®	Series 100	approx. 80 µm
alternatively	MEGAMIX®	Series 120	approx. 80 µm
alternatively	MEGAMIX® NT	Series 121	approx. 80 µm

Corrosion protection for steel

System 1: Unalloyed or low-alloyed steel in exterior environments according to DIN 55633-1 (2021-3)
Corrosivity category C2 protection duration very high

PRE-TREATMENT: Blasting SA 2 ½ or iron phosphating or zinc phosphating. (see detailed overview)
Top coat
	MEGAPOL® I	Series 130	approx. 80 µm
alternatively	MEGAPOL® I-NT	Series 131	approx. 80 µm
alternatively	MEGAPOL® F	Series 140	approx. 80 µm
alternatively	MEGAPOL® F-NT	Series 141	approx. 80 µm
alternatively	MEGAPOL® HWF	Series 150	approx. 80 µm
alternatively	MEGATANE® AGF	Series 160	approx. 80 µm

System 2: Unalloyed or low-alloyed steel in exterior environments according to DIN 55633-1 (2021-3)
Corrosivity category C3 protection duration very high or C4 protection duration high

PRE-TREATMENT: Blasting SA 2 ½ or zinc phosphating. (see detailed overview)
Primers
	MEGAPRIMER® EP	Series 110	approx. 60 µm
alternatively	MEGAPRIMER® EP-NT	Series 111	approx. 60 µm
Cover coat
	MEGAPOL® I	Series 130	approx. 80 µm
alternatively	MEGAPOL® I-NT	Series 131	approx. 80 µm
alternatively	MEGAPOL® F	Series 140	approx. 80 µm
alternatively	MEGAPOL® F-NT	Series 141	approx. 80 µm
alternatively	MEGAPOL® HWF	Series 150	approx. 80 µm
alternatively	MEGATANE® AGF	Series 160	approx. 80 µm

System 3: Unalloyed or low-alloyed steel in exterior environments according to DIN 55633-1 (2021-3)
Corrosivity category C4 protection duration very high or C5 protection duration high

PRE-TREATMENT: Blasting SA 2 ½ and zinc phosphating. (see detailed overview)
Primers
	MEGAPRIMER® EP	Series 110	approx. 100 µm
alternatively	MEGAPRIMER® EP-NT	Series 111	approx. 100 µm
Cover coat
	MEGAPOL® I	Series 130	approx. 80 µm
alternatively	MEGAPOL® I-NT	Series 131	approx. 80 µm
alternatively	MEGAPOL® F	Series 140	approx. 80 µm
alternatively	MEGAPOL® F-NT	Series 141	approx. 80 µm
alternatively	MEGAPOL® HWF	Series 150	approx. 80 µm
alternatively	MEGATANE® AGF	Series 160	approx. 80 µm

System 4: Unalloyed or low-alloyed steel in interior environments
with extreme chemical exposureaccording to DIN 55633-1 (2021-3)
Corrosivity category C4 protection duration very high or C5 protection duration high

PRE-TREATMENT: Blasting SA 2 ½ and zinc phosphating. (see detailed overview)
Primers
	MEGAPRIMER® EP	Series 110	approx. 100 µm
alternatively	MEGAPRIMER® EP-NT	Series 111	approx. 100 µm
Top coat
	MEGAPOX®	Series 100	approx. 80 µm
alternatively	MEGAMIX®	Series 120	approx. 80 µm
alternatively	MEGAMIX® NT	Series 121	approx. 80 µm

System 5: Unalloyed or low-alloyed steel in exterior environments according to DIN EN ISO 12944-9 (2018-6)
Corrosivity category CX (offshore)

For individual advice, please contact your responsible contact person in the field or office.

Corrosion protection for aluminium

System 1: Aluminium in facade areas in accordance with GSB/QUALICOAT guidelines

System 2: Aluminium in industrial areas in exterior environments with UV protection in accordance with QIB guidelines (two-coat system)

System 3: Aluminium in industrial areas in interior environments with extreme chemical exposure in accordance with QIB guidelines (two-coat system)

Corrosion protection for hot-dip galvanised steel

System 1: Hot-dip galvanised steel in exterior environments according to DIN 55633-1 (2021-3) Corrosivity category C3 protection duration high

System 2: Hot-dip galvanised steel in exterior environments according to DIN 55633-1 (2021-3) Corrosivity category C3 protection duration very high or C4 protection duration high

System 3: Hot-dip galvanised steel in exterior environments in accordance with DIN 55633-1 (2021-3) Corrosivity category C4 protection duration very high or C5 protection duration high

System 4: Hot-dip galvanised steelin interior environments with extreme chemical exposure in accordance with DIN 55633-1 (2021-3) Corrosivity category C4 protection duration very high or C5 protection duration high