ISO12944 C3 Environment Coatings

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ISO12944 C1 to C5 Corrosion Protection Systems
C3 Environments

C3 Environments externally typically consist of urban and industrial atmospheres with moderate sulfer dioxide pollution and coastal areas with low salinity. Internally, typical environments include production rooms with high humidity and some air pollution. Examples include food processing plants, laundries, breweries and diaries.

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

Download the manufacturer specifications for steel systems below:

PPG SigmaCover 410 MIO
Two component high solids, high build, polyamide cured epoxy coating designed for general purpose protection to steel and concrete structures.

From £324.00 £270.00
Sherwin Williams Macropoxy 400 - Formerly Leighs Epigrip C400V3
A multi functional epoxy coating suitable for the protection of steelwork in a range of exposure environments from C1 to C5.

From £138.97 £115.81
Jotun Penguard Express ZP
A fast drying, two part amine cured epoxy zinc phosphate pigmented, high solids, high build product formulated for exposed structural steel.

From £80.46 £67.05
Jotun Hardtop AX
A two component chemically curing high gloss aliphatic acrylic polyurethane coating that offers resistance to UV degradation and good chemical resista...

From £134.34 £111.95
Carboline Thermaline Heat Shield
An extreme performance pipeline coating for hot, cryogenic and cycling exposures.

From £1,296.66 £1,080.55
Carboline Carbozinc 11
Rapid / low temperature curing inorganic zinc product suitable for C3 - CX and immersion environments.

£257.04 £214.20
Selemix 2K Epoxy HB Anti-Corrosive Primer 4-044X
A 2K high build epoxy primer containing anticorrosive pigments.

From £375.49 £312.91
International Interzinc 52
A two component, anti-corrosive metallic zinc rich epoxy primer.

From £340.96 £284.13
International Interthane 990
A two component acrylic polyurethane finish giving excellent durability and long term recoatability.

From £116.82 £97.35
International Intercure 99
A low VOC, high solids, rapid cure primer/finish, offering excellent anti-corrosive protection and long term colour and gloss durability.

From £564.18 £470.15
International Interfine 878
A tough, hard wearing finish coat for application over properly primed surfaces.

From £365.58 £304.65
International Intergard 345
A two component, low VOC, high solids, fast curing epoxy primer / finish containing zinc phosphate anti-corrosive pigmentation.

From £356.71 £297.26
International Intercure 200HS
Complete with MIO, Intercure 200HS can speed up production and throughput in fabrication shops.

From £377.92 £314.93
Sherwin Williams Macropoxy 646 Epoxy Primer Finish
A versatile high performance polyamide cured epoxy designed to fulfil the needs of both new construction and maintenance painting to steel, aluminium ...

From £197.74 £164.78
Sherwin Williams Acrolon 1850 Acrylic Epoxy Finish
A two pack isocyanate free finish based on an acrylic epoxy binder system. NORSOK M501 Rev 6 System 1.

From £173.16 £144.30
Sherwin Williams Macropoxy 267 - Formerly Leighs Epigrip C267V3
A high solids 2 pack epoxy, pigmented with MIO (Micaceous Iron Oxide) certified under Highways Agency No112.

From £98.80 £82.33
Jotun Barrier 80
A fast drying, anti corrosive, high solids 2 part polyamide cured zinc rich epoxy coating.

£285.77 £238.14
Jotun Penguard HB
A two part polyamide cured, high molecular weight epoxy coating, designed as a high build, all purpose coating for new construction.

From £60.66 £50.55
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
Teamac Q113 2 Pack Zinc Phosphate Primer
A two pack epoxy anti-corrosive primer for application to steel which is clean and free from scale and / or rust.

From £142.57 £118.81
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
Sherwin Williams Acrolon 7300 Acrylic Finish
A high solids, tin free, PU with fast drying and high gloss attributes for use where long term exterior gloss and colour retention is required.

From £115.68 £96.40
Jotun Hardtop XP
A hard wearing top coat for use in aggressive atmospheric exposure. Network Rail approved. Highways Approved Item No 168

From £87.22 £72.68
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
Hempel Hempaprime Multi 500 Winter 45953
A hard wearing, long lasting priming barrier for use in severe corrosive environment systems.

From £215.38 £179.48

CATEGORY	BRAND	SYSTEM	DRY FILM THICKNESS	EXPECTED DURABILITY
C3 Low	Jotun	Jotun Pilot QD Jotun Pilot II or Pioner Topcoat	60µm 40µm	< 15 Years
	Sika	Sika SikaCor EP Color	100µm
	Sika	Sika SikaCor Steel Protect VHS Rapid	120µm
	Teamac	Teamac Zinc Phosphate P201 Teamac Zinc Phosphate P201 Teamac Metalcote G115	35µm 35µm 40µm	< 7 Years
C3 Medium	Hempel	Hempel Hempaprime Multi 500	120µm	7 - 15 Years
	Hempel	Hempel Hempathane Fast Dry 55750	120µm	7 - 15 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 500	120µm	7 - 15 Years
	International	International Intercure 4500	150µm	< 15 Years
	Jotun	Jotun Pilot QD Jotun Pilot II or Pioner Topcoat	120µm 40µm	< 15 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	70µm 50µm	< 15 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	50µm 70µm	< 15 Years
	Jotun	Jotun Barrier 80	60µm	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
	Sherwin Williams	Sherwin Williams Macropoxy 400	120µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646	120µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 267	120µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Envirolastic 2500	120µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220	120µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7240	120µm	7 - 15 Years
	Sika	Sika SikaCor EG-1	80µm
	Teamac	Teamac Rapidry Zinc Phosphate P218 Teamac Rapidry Zinc Phosphate P218 Teamac Rapidry G750	35µm 35µm 40µm	7 - 15 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 70µm	7 - 15 Years
	Teamac	Teamac Metaclor P149 Teamac Metaclor P149 Teamac Chlorinated Rubber G149	40µm 40µm 75µm	7 - 15 Years
C3 High	Carboline	Carboline Carbozinc 858 Carboline Carboguard 890	175µm	15 - 25 Years
	Carboline	Carboline Carbozinc 11 Carboline Carboguard 60	175µm	15 - 25 Years
	Carboline	Carboline Carbozinc 858 Carboline Carboguard 60	175µm	15 - 25 Years
	Carboline	Carboline Carboguard 635 Carboline Carboguard 635	200µm	15 - 25 Years
	Carboline	Carboline Carboguard 615 Carboline Carboguard 615	200µm	15 - 25 Years
	Carboline	Carboline Thermaline Heat Shield Carboline Thermaline Heat Shield	225µm	15 - 25 Years
	Carboline	Carboline Carboguard 890	200µm	15 - 25 Years
	Carboline	Carboline Carbozinc 808 Carboline Carboguard 890	175µm	15 - 25 Years
	Carboline	Carboline Carbozinc 11 Carboline Carboguard 890	175µm	15 - 25 Years
	Carboline	Carboline Carboquick 200 Carboline Carboxane 2000	150µm	15 - 25 Years
	Carboline	Carboline Carboxane 2000 Satin Carboline Carboxane 2100 FC	150µm	15 - 25 Years
	Hempel	Hempel Hemucryl 48120 Hempel Hemucryl 48120	100µm 100µm	15 - 25 Years
	Hempel	Hempel Hempathane Fast Dry 55750	160µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane Fast Dry 55750	120µm 60µm	15 - 25 Years
	Hempel	Hempel Hempadur 47300 Hempel Hempathane Speed-Dry Topcoat 250	120µm 60µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Winter Hempel Hempathane HS 55610	120µm 60µm	15 - 25 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 500 Hempel Hempathane Fast Dry 55750	180µm 60µm	> 25 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 600 Hempel Hempathane HS 55610	160µm 80µm	> 25 Years
	Hempel	Hempel Hempathane Fast Dry 55750 Hempel Hempathane Fast Dry 55750	120µm 120µm	> 25 Years
	Hempel	Hempel Hempatex High-Build 46410 Hempel Hempatex High-Build 46410	120µm 120µm	> 25 Years
	Hempel	Hempel Hempatex High-Build 46410 Hempel Hempatex High-Build 46410 Hempel Hempatex Enamel 56360	100µm 100µm 40µm	> 25 Years
	International	International Intergard 251HS International Interthane 990	130µm 50µm	> 15 Years
	International	International Intergard 251HS International Interthane 990	150µm 50µm	> 15 Years
	International	International Intercure 4500	180µm	> 15 Years
	International	International Intergard 251HS International Interthane 990	190µm 50µm	> 15 Years
	International	International Intercure 4500	240µm	> 15 Years
	Jotun	Jotun Pilot QD Jotun Pilot QD Jotun Pilot II or Pioner Topcoat	80µm 80µm 40µm	> 15 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	80µm 100µm	> 15 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	120µm 60µm	> 15 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	60µm 100µm	> 15 Years
	PPG	PPG SigmaFast 278	150µm	> 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 7300	125µm 55µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 1850	100µm 80µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 1850	100µm 80µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 7300	125µm 55µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	125µm 55µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	125µm 55µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Envirolastic 2500	180µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400	180µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400	90µm 90µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	100µm 80µm	15 - 25 Years
	Sika	Sika SikaCor Steel Protect VHS Rapid Sika SikaCor Steel Protect VHS Rapid	120µm 80µm	5 - 15 Years
	Sika	Sika SikaCor Steel Protect VHS Rapid Sika SikaCor 6630 High Solid	80µm 120µm	> 15 Years
	Sika	Sika SikaCor EP Color Sika SikaCor EP Color	80µm 80µm	> 15 Years
	Sika	Sika Poxicolor Primer HE NEW Sika SikaCor EG-5	100µm 80µm	> 15 Years
	Sika	Sika SikaCor PUR Color New	180µm
	Sika	Sika SikaCor ZP Primer Sika SikaCor PUR Color New	100µm 80µm
	Sika	Sika SikaCor 6630 High Solid Sika SikaCor 6630 High Solid	100µm 100µm
	Sika	Sika SikaCor EP Color Sika SikaCor PUR Color New	100µm 80µm
	Sika	Sika SikaCor 6630 High Solid Sika SikaCor 6630 High Solid	80µm 80µm
	Sika	Sika SikaCor EG-1 VHS	120µm
	Sika	Sika SikaCor EG-120	120µm
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 60µm 60µm	15 - 25 Years
C3 Very High	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempathane HS 55610	75µm 125µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempaprime Multi 500	60µm 140µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempadur 47300	60µm 140µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempaprime Multi 500 Winter Hempel Hempathane HS 55610	40µm 100µm 60µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempathane HS 55610	75µm 125µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempathane Fast Dry 55750	60µm 140µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempaprime Multi 500	120µm 120µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	180µm 60µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Winter Hempel Hempathane Fast Dry 55750	180µm 60µm	> 25 Years
	Hempel	Hempel Hempadur Mastic 45880/W Hempel Hempathane HS 55610	180µm 60µm	> 25 Years
	Hempel	Hempel Hempadur Fast Dry 17410 Hempel Hempathane HS 55610	120µm 120µm	> 25 Years
	Hempel	Hempel Hempadur 47300	240µm	> 25 Years
	Hempel	Hempel Hempadur 47300 Hempel's Pro Acrylic 55883	190µm 50µm	> 25 Years
	Jotun	Jotun Pilot QD Jotun Pilot QD Jotun Pilot II or Pioner Topcoat	100µm 100µm 60µm	5 - 15 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 120µm 60µm	5 - 15 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	180µm 60µm	5 - 15 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 180µm 60µm	5 - 15 Years
	PPG	PPG Sigmafast 278 PPG Sigmafast 278	100µm 100µm	5 - 15 Years
	PPG	PPG Sigmafast 278 PPG Sigmafast 550 H	170µm 50µm	5 - 15 Years
	PPG	PPG Sigmafast 278 PPG PSX 700	60µm 125µm	5 - 15 Years
	PPG	PPG Amerlock 2 PPG Sigmadur 550US	175µm 75µm	5 - 15 Years
	PPG	PPG Amerlock 2 PPG PSX 700	175µm 75µm	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
	PPG	PPG Sigmazinc 68 SP PPG Sigmacover 410 MIO PPG Sigmadur 550 H	60µm 100µm 60µm	5 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 1850	80µm 80µm 80µm	< 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	190µm 50µm	< 25 Years
	Sherwin Williams	Sherwin Williams Sher-Loxane 800 Sherwin Williams Sher-Loxane 800	120µm 120µm	< 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Envirolastic 2500	140µm 100µm	< 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400	120µm 120µm	< 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	190µm 50µm	< 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 7300	190µm 50µm	< 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	160µm 80µm	< 25 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	70µm 60µm 60µm	25 Years