ISO12944 C4 Environment Coatings

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ISO12944 C1 to C5 Corrosion Protection Systems
C4 Environments

C4 Environments externally typically are industrial areas and / or coastal areas with moderate salinity. Internally, typical environments include chemical plants, swimming pools and coastal shipyards.

Scroll to the bottom of this page for a full list of suppliers and their specifications.

Download the manufacturer specifications for steel systems below:

Selemix 7-110 2 Pack Acrylic Topcoat
A very high gloss, excellent colour fast and resistance to atmospheric attack product, available in RAL, BS 4800 or NCS Colours.

From £111.30 £92.75
Selemix 7-120 2 Pack Acrylic UHS Topcoat
Provide a very high gloss finish and excellent protection for steel in highly aggressive environments, up to C5M-low rated.

From £150.91 £125.76
Selemix 7-413 2 Pack Epoxy Primer
7-413 can be applied wet on wet to bare or galvanised steel, phosphate steel, light alloys, stainless or previously coated steel and GRP.

From £118.28 £98.57
Selemix 7-512 2 Pack Polyurethane Extra Topcoat
Provides a high gloss and very high level of chemical and atmospheric resistance in harsh environments up to C5-M & C5-I High.

From £141.37 £117.81
Selemix 4-050x PUR 2 Pack Primer
A 2 pack primer offering excellent adhesion and protection properties for steel in the harshest of environments up to C5M-low.

From £387.67 £323.06
Selemix 7-410 / 7-412 Epoxy Topcoat
A 2 pack epoxy enamel which offers good gloss and a hard durable film to bare and sand blasted steel.

From £129.47 £107.89
Selemix 2K Epoxy HB Anti-Corrosive Primer 4-044X
A 2K high build epoxy primer containing anticorrosive pigments.

From £375.49 £312.91

CATEGORY	BRAND	SYSTEM	DRY FILM THICKNESS	EXPECTED DURABILITY
C4 Low	Jotun	Jotun Pilot QD Jotun Pilot II or Pioner Topcoat	120µm 40µm	< 5 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	70µm 50µm	< 5 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	50µm 70µm	< 5 Years
	Jotun	Jotun Barrier 80	60µm 180µm 60µm	< 5 Years
	PPG	PPG Sigmafast 278	150µm	< 5 Years
	PPG	PPG PSX 700	125µm	< 5 Years
	PPG	PPG Sigmafast 278 PPG Sigmadur 550 H	100µm 50µm	< 5 Years
	Selemix	Selemix 7-413 Selemix 7-410	195µm total	< 5 Years
	Selemix	Selemix 7-413 Selemix 7-110	220µm total	< 5 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400	120µm	< 7 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646	120µm	< 7 Years
	Sherwin Williams	Sherwin Williams Macropoxy 267	120µm	< 7 Years
	Sherwin Williams	Sherwin Williams Envirolastic 2500	120µm	< 7 Years
	Teamac	Teamac Rapidry Zinc Phosphate P218 Teamac Rapidry Zinc Phosphate P218 Teamac Rapidry G750	45µm 90µm 50µm	< 7 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	70µm 60µm	< 7 Years
	Teamac	Teamac Metaclor P149 Teamac Metaclor P149 Teamac Chlorinated Rubber G149	70µm 60µm	< 7 Years
C4 Medium	Carboline	Carboline Carboxane 2000	150µm	7 - 15 Years
	Carboline	Carboline Carboxane 2000 Satin	150µm	7 - 15 Years
	Carboline	Carboline Carboxane 2100 FC	150µm	7 - 15 Years
	Hempel	Hempel Hempaprime Multi 500 Winter Hempel Hemucryl 48120	100µm 80µm	7 - 15 Years
	Jotun	Jotun Pilot QD Jotun Pilot QD Jotun Pilot II or Pioner TC	80µm 80µm 40µm	5 - 15 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	80µm 100µm	5 - 15 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	120µm 60µm	5 - 15 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	60µm 100µm	5 - 15 Years
	PPG	PPG Sigmafast 278	150µm	5 - 15 Years
	PPG	PPG PSX 700	125µm	5 - 15 Years
	PPG	PPG Sigmafast 278 PPG Sigmadur 550 H	100µm 50µm	5 - 15 Years
	PPG	PPG Sigmafast 278 PPG PSX 700	60µm 125µm	5 - 15 Years
	PPG	PPG Sigmazinc 68 SP PPG PSX 700	50µm 100µm	5 - 15 Years
	PPG	PPG Sigmazinc 68 SP PPG Sigmafast 278 PPG Sigmadur 550 H	50µm 80µm 50µm	5 - 15 Years
	International	International Intercure 251HS International Interthane 990	130µm 50µm	5 - 15 Years
	International	International Intercure 4500	180µm	5 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 7300	125µm 55µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 1850	100µm 80µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 1850	100µm 80µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 7300	125µm 55µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	125µm 55µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	125µm 55µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Envirolastic 2500	180µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400	180µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400	90µm 90µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	100µm 80µm	7 - 15 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 60µm 60µm	7 - 15 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 120µm 60µm	7 - 15 Years
C4 High	Carboline	Carboline Carbozinc 858 Carboline Carboguard 635 Carboline Carbothane 134 HG	225µm	15 - 25 Years
	Carboline	Hot Dip Galvanized Carboline Carboguard 635 Carboline Carbothane 134 HG	175µm	15 - 25 Years
	Carboline	Carboline Carboguard 690 Carboline Carbothane 134 HG	175µm	15 - 25 Years
	Carboline	Carboline Carbozinc 858 Carboline Carboguard 60 Carboline Carbothane 134 HG	200µm	15 - 25 Years
	Carboline	Carboline Carbozinc 859 Carboline Carboguard 893 SG	200µm	15 - 25 Years
	Carboline	Carboline Carboguard 60 Carboline Carboguard 60	200µm	15 - 25 Years
	Carboline	Carboline Carbozinc 808 Carboline Carboguard 890	175µm	15 - 25 Years
	Carboline	Carboline Carbozinc 859 VOC Carboline Carboguard 890 LT	275µm	15 - 25 Years
	Carboline	Carboline Carbozinc 859 Carboline Carboguard 890	300µm	15 - 25 Years
	Carboline	Carboline Carbomastic 615 AL Carboline Carbothane 134 HG	250µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempathane HS 55610	75µm 125µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempaprime Multi 500	60µm 140µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempadur 47300	60µm 140µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempaprime Multi 500 Hempathane HS 55610	40µm 100µm 60µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempathane HS 55610	75µm 125µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempathane Fast Dry 55750	60µm 140µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempaprime Multi 500	120µm 120µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempathane HS 55610	180µm 60µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane Fast Dry 55750	180µm 60µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hemucryl 48120	160µm 80µm	15 - 25 Years
	Hempel	Hempel Hempadur Mastic 45880/W Hempathane HS 55610	180µm 60µm	15 - 25 Years
	Hempel	Hempel Hempadur Fast Dry 17410 Hempel Hempathane HS 55610	120µm 120µm	15 - 25 Years
	Hempel	Hempel Hempadur 47300	240µm	15 - 25 Years
	Hempel	Hempel Hempadur 47300 Hempel's Pro Acrylic 55883	190µm 50µm	15 - 25 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 500 Hempel Hempathane Fast Dry 55750	180µm 60µm	15 - 25 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 600 Hempel Hempathane HS 55610	160µm 80µm	15 - 25 Years
	Hempel	Hempel Hempathane Fast Dry 55750 Hempel Hempathane Fast Dry 55750	120µm 120µm	15 - 25 Years
	Hempel	Hempel Hempatex High-Build 46410 Hempel Hempatex High-Build 46410	120µm 120µm	15 - 25 Years
	Hempel	Hempel Hempatex High-Build 46410 Hempel Hempatex High-Build 46410 Hempel Hempatex Enamel 56360	100µm 100µm 40µm	15 - 25 Years
	International	International Interzinc 52 International Intergard 475HS International Interthane 990	60µm 90µm 50µm	> 15 Years
	Jotun	Jotun Pilot QD Jotun Pilot QD Jotun Pilot II or Pioner Topcoat	100µm 100µm 60µm	> 15 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 120µm 60µm	> 15 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	180µm 60µm	> 15 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 80µm 60µm	> 15 Years
	PPG	PPG SigmaFast 278 PPG SigmaFast 278	100µm 100µm	> 15 Years
	PPG	PPG SigmaFast 278 PPG SigmaDur 550H	170µm 50µm	> 15 Years
	PPG	PPG SigmaFast 278 PPG PSX 700	60µm 125µm	> 15 Years
	PPG	PPG Amerlock 2 PPG Sigmadur 550US	175µm 75µm	> 15 Years
	PPG	PPG Amerlock 2 PPG PSX 700	175µm 75µm	> 15 Years
	PPG	PPG Sigmazinc 68 SP PPG PSX 700	50µm 100µm	> 15 Years
	PPG	PPG Sigmazinc 68 SP PPG PSX 700	50µm 125µm	> 15 Years
	PPG	PPG Sigmazinc 68 SP PPG SigmaFast 278 PPG Sigmadur 550 H	50µm 80µm 50µm	> 15 Years
	PPG	PPG Sigmazinc 68 SP PPG Sigmacover 410 MIO PPG Sigmadur 550 H	60µm 100µm 60µm	> 15 Years
	Sika	Sika Poxicolor Rapid Sika SikaCor EG-120	100µm 100µm	> 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 1850	80µm 80µm 80µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	190µm 50µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Sher-Loxane 800 Sherwin Williams Sher-Loxane 800	120µm 120µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Envirolastic 2500	140µm 100µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400	120µm 120µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	190µm 50µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 7300	190µm 50µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	160µm 80µm	15 - 25 Years
	Sika	Sika SikaCor 6630 High Solid Sika SikaCor 6630 High Solid	100µm 100µm
	Sika	Sika SikaCor EG-1 Sika SikaCor EG-5	80µm 80µm
	Sika	Sika SikaCor 2440 MF Sika SikaCor EG-5	190µm 50µm
	Sika	Sika Poxicolor Rapid Sika SikaCor EG-120	120µm 120µm
	Sika	Sika Permacor 2204 VHS Sika SikaCor EG-5	160µm 80µm
	Sika	Sika SikaCor 6630 High Solid Sika SikaCor 6630 High Solid Sika SikaCor 6630 High Solid	80µm 100µm 100µm
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 120µm 60µm
C4 Very High	Hempel	Hempel Hempadur 15553 Hempel Hempathane HS 55610	80µm 120µm	> 25 Years
	Hempel	Hempel Hempadur 47300 Hempel Hempathane Speed-Dry Topcoat 250	250µm 50µm	> 25 Years
	Hempel	Hempel's Epoxy Primer HV 15410 Hempel Hempadur 47300 Hempel Hempathane Topcoat 55210	50µm 100µm 50µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane Fast Dry 55750	220µm 80µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	220µm 80µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	240µm 60µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	240µm 60µm	> 25 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 600 Hempel Hempathane Fast Dry 55750	200µm 100µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempaprime Multi 500 Hempel Hempathane Speed-Dry Topcoat 250	60µm 120µm 80µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempadur 47300 Hempel's Pro Acrylic 55883	60µm 120µm 80µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempadur Mastic 45880/W Hempel Hempathane HS 55610	60µm 120µm 80µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hemucryl 48120 Hempel Hemucryl 48120	60µm 100µm 100µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	50µm 120µm 60µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempadur 47300 Hempel Hempathane Fast Dry 55750	60µm 120µm 80µm	> 25 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 180µm 60µm	> 25 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	120µm 120µm 60µm	> 25 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 140µm 60µm	> 25 Years
	PPG	PPG SigmaFast 278 PPG SigmaFast 278	125µm 125µm	> 25 Years
	PPG	PPG SigmaFast 278 PPG Sigmadur 550 H	200µm 80µm	> 25 Years
	PPG	PPG SigmaFast 278 PPG SigmaFast 278 PPG Sigmadur 550 H	120µm 120µm 80µm	> 25 Years
	PPG	PPG Sigmashield 880	300µm	> 25 Years
	PPG	PPG Sigmazinc 68 SP PPG PSX 700	75µm 125µm	> 25 Years
	PPG	PPG Sigmazinc 68 SP PPG Sigmafast 278 PPG Sigmadur 550 H	60µm 160µm 50µm	> 25 Years
	PPG	PPG Sigmazinc 68 SP PPG Sigmacover 410 MIO PPG Sigmadur 550 H	60µm 160µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	125µm 125µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	125µm 125µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400	150µm 150µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400	300µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	250µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	225µm 75µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	250µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 1850	225µm 75µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV Sherwin Williams Macropoxy 267 Sherwin Williams Acrolon 7300	60µm 150µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	60µm 150µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Macropoxy 267 Sherwin Williams Acrolon 7300	60µm 150µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Envirolastic 2500	60µm 200µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Sher-Loxane 800 Sherwin Williams Sher-Loxane 800	60µm 100µm 100µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Envirolastic 2500	125µm 175µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 1850	110µm 110µm 80µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 1850	75µm 145µm 80µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 7300	125µm 125µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 7300	75µm 175µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Envirolastic 2500	175µm 125µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	60µm 150µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	60µm 150µm 50µm	> 25 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 150µm 60µm
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Tie Coat Q115 Teamac 2 Pack PU P101	60µm 100µm 60µm