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PPG SigmaCover 456 Epoxy Steel Coating | 500+ Colour Options
PPG SigmaCover 456 Epoxy Steel Coating | 500+ Colour Options

PPG SigmaCover 456

7466
PPG4141

PPG SigmaCover 456, a two-component, high-build, polyamide-cured recoatable epoxy coating available in 2,600+ colours, for steel and concrete structures exposed to atmospheric land or marine conditions, curing at temperatures down to -10°C (14°F). SigmaCover 456 can be recoated with various two-component and conventional coatings, even after long weathering periods.

  • Available in 2,600+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours
  • A high relative humidity (maximum 95%) during application and curing does not influence the quality of the coating
  • Good adhesion on most aged, sound alkyd, chlorinated rubber and epoxy coatings
  • Tough, with long-term flexibility; resistant to water and splash of mild chemicals
  • No induction time - 6 hours pot life - touch dry in 3 hours - fully cured after 7 days
  • Easy application by air spray, brush or roller
  • See below for more information on surface preparation, application details and curing times

Product customisation

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Colour Group
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£64.28(incl. VAT)
£53.57(ex. VAT)
Quantity
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Available for Delivery (See Delivery Options Below)

questions 1 question about the product
Description

PPG SigmaCover 456 is a two-component, high-build, polyamide-cured recoatable epoxy coating. The general-purpose epoxy buildcoat or finish is available in 2,600+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours and is used in protective coating systems for steel and concrete structures exposed to atmospheric land or marine conditions, curing at temperatures down to -10°C (14°F), and has good adhesion on most aged, sound alkyd, chlorinated rubber and epoxy coatings. SigmaCover 456 can be recoated with various two-component and conventional coatings, even after long weathering periods.

Features & Benefits


  • Available in 350+ colours from RAL and BS
  • General-purpose epoxy buildcoat or finish in protective coating systems, for steel and concrete structures exposed to atmospheric land or marine conditions
  • Two-component, high-build, polyamide-cured recoatable epoxy coating
  • Easy application, both by airless spray and brush
  • Cures even at temperatures down to -10°C (14°F)
  • A high relative humidity (maximum 95%) during application and curing does not influence the quality of the coating
  • Good adhesion on most aged, sound alkyd, chlorinated rubber and epoxy coatings
  • Can be recoated with various two-component and conventional coatings, even after long weathering periods
  • Resistant to water and splash of mild chemicals
  • Tough, with long-term flexibility
  • No induction time
  • 6 hours pot life
  • Touch dry in 3 hours
  • Fully cured after 7 days
  • Can be applied by air spray, brush or roller
  • See below for more information on surface preparation, application details and curing times

 

Reference Colour Size Gloss Level
179078 Black 4 litres Semi-Gloss
179079 Black 20 litres Semi-Gloss
141370 Persian Grey (BS 00A05) 4 litres Semi-Gloss
141371 Persian Grey (BS 00A05) 20 litres Semi-Gloss
179072 White 4 litres Semi-Gloss
179073 White 20 litres Semi-Gloss
192454 Full RAL & BS 4 litres Semi-Gloss
192455 Full RAL & BS 20 litres Semi-Gloss

Product Data


Two-component, high-build, polyamide-cured recoatable epoxy coating

Data for mixed product at 20°C (68°F)
Number of components Two
Mass density 1.4 kg/l (11.7 lb/US gal)
Volume solids 65 ± 2%
VOC (Supplied) Directive 1999/13/EC, SED: max. 250.0 g/kg
max. 344.0 g/l (approx. 2.9 lb/US gal)
Recommended dry film thickness 75 - 150 µm (3.0 - 6.0 mils) depending on system
Theoretical spreading rate 6.5 m²/l for 100 µm (261 ft²/US gal for 4.0 mils)
Dry to touch 2 hours
Overcoating Interval Minimum: 3 hours
Maximum: Unlimited
Full cure after 4 days
Shelf life Base: at least 24 months when stored cool and dry
Hardener: at least 24 months when stored cool and dry

Notes:

  • See below for more information on surface preparation, application details and curing times

Surface Preparation


Recommended Substrate Conditions and Temperatures

Substrate conditions

  • Compatible previous coat must be dry and free from any contamination Substrate temperature
  • Substrate temperature during application and curing down to -10°C (14°F) is acceptable; provided the substrate is free from ice and dry
  • Substrate temperature during application and curing should be at least 3°C (5°F) above dew point

 

Substrate Temperature & Application Conditions


  • Substrate temperature during application and curing down to -10°C (14°F) is acceptable; provided the substrate is free from ice and dry
  • Substrate temperature during application and curing should be at least 3°C (5°F) above dew point

Application


Instructions for Use

Mixing ratio by volume: base to hardener 82:18

  • Adding too much thinner results in reduced sag resistance
  • The temperature of the mixed base and hardener should be above 10°C (50°F), otherwise extra thinner may be required to obtain application viscosity
  • Thinner should be added after mixing the components

 

Induction Time


None.

 

Pot life


  • 5 hours at 20°C (68°F)

Refer below for more information

 

Air Spray


Recommended thinner

Volume of thinner

  • 5 - 10%, depending on required thickness and application conditions

Nozzle orifice

  • 2.0 – 3.0 mm (approx. 0.079 – 0.110 in)

Nozzle pressure

  • 0.3 - 0.4 MPa (approx. 3 - 4 bar; 44 - 58 p.s.i.)

 

Airless spray


Recommended thinner

  • THINNER 91-92

Volume of thinner

  • 0 - 5%, depending on required thickness and application conditions

Nozzle orifice

  • Approx. 0.48 – 0.58 mm (0.019 – 0.023 in)

Nozzle pressure

  • 15.0 MPa (approx. 150 bar; 2176 p.s.i.)

 

Brush/roller


Recommended thinner

  • THINNER 91-92

Volume of thinner

  • 0 – 5%

 

Cleaning Solvent


Spreading Rate and Film Thickness


DFT Theoretical spreading rate
75 µm (3.0 mils) 8.7 m²/l (348 ft²/US gal)
100 µm (4.0 mils) 6.5 m²/l (261 ft²/US gal)
150 µm (6.0 mils) 4.3 m²/l (174 ft²/US gal)

Note:

  • Maximum DFT when brushing: 60 µm (2.4 mils)

Overcoating interval for DFT up to 150 µm (6.0 mils)


Overcoating with... Interval -5°C (23°F) 5°C (41°F) 10°C (50°F) 20°C (68°F) 30°C (86°F) 40°C (104°F)
PPG VIKOTE 46, SIGMADUR 550, SIGMADUR 520 and SIGMARINE 40 Minimum 3 days 24 hours 16 hours 8 hours 5 hours 3 hours
Maximum Unlimited Unlimited Unlimited Unlimited Unlimited Unlimited
SIGMACOVER 435 and SIGMACOVER 456 Minimum 36 hours 10 hours 4 hours 3 hours 2 hours 2 hours
Maximum Unlimited Unlimited Unlimited Unlimited Unlimited Unlimited
PPG VIKOTE 56 and SIGMARINE 48 Minimum 3 days 24 hours 16 hours 8 hours 5 hours 3 hours
Maximum 17 days 14 days 10 days 7 days 4 days 48 hours

Notes:

  • Surface should be dry and free from chalking and contamination
  • SIGMACOVER 435 should not be overcoated with coal tar epoxy coatings

 

Curing time for DFT up to 150 µm (6.0 mils)


Substrate temperature Dry to Handle Full Cure
-10°C (14°F) 24 hours - 48 hours 20 days
-5°C (23°F) 24 hours - 30 hours 14 days
0°C (32°F) 18 hours - 24 hours 10 days
5°C (41°F) 18 hours 8 days
10°C (50°F) 12 hours 6 days
15°C (59°F) 8 hours 5 days
20°C (68°F) 6 hours 4 days
30°C (86°F) 4 hours 3 days
40°C (104°F) 3 hours 48 hours

Notes:

  • Adequate ventilation must be maintained during application and curing (please refer to information sheets 1433 and (1434)
  • In exceptional cases SIGMACOVER 456 may be applied at lower substrate temperatures (down to -15°C (5°F)) provided that the surface is free from ice and other contamination. In such cases special care must be taken to avoid thick film application as this may lead to checking/crazing or solvent entrapment. It should be clear that application at lower temperatures will require additional thinning to obtain application viscosity, however this will affect the sag resistance of the applied coating and can induce solvent retention. Optimal curing and designed product properties will only be achieved when minimum required substrate temperature is reached

 

Pot Life (at application viscosity)


Mixed product temperature Pot life
10°C (50°F) 12 hours
20°C (68°F) 5 hours
30°C (86°F) 4 hours
40°C (104°F) 2 hours

Safety Precautions


  • For paint and recommended thinners, see information sheets information sheet 1430, information sheet 1431 and the relevant Material Safety Data Sheets in the attachments section above
  • This is a solvent-borne paint and care should be taken to avoid inhalation of spray mist or vapour, as well as contact between the wet paint and exposed skin or eyes

References


Product Details
4141-890430

Data sheet

Manufacturer
PPG
For Use On
Steel, Concrete
Application Method
Brush, Roller, Spray
Sheen
Semi Gloss
Single, Two or Three Pack
Two-Pack
Pack Size
4L, 20L
Parts
Two
Base Type
Solvent-borne
Solvent
Epoxy
Mixing Ratio
82:18
Suitable Substrates
Steel, concrete
Key Features
Cures at low temperatures, can be recoated even after long weathering periods
Touch Dry (at 20°C)
-
Dry to Handle (at 20°C)
6 hours
Dry to Recoat (at 20°C)
3 hours (see table)
Fully Cured (at 20°C)
4 days
Pot Life (at 20°C)
5 hours
Coverage
6.5 m²/l for 100 µm
Recommended Thinner/Cleaner
THINNER 91-92/THINNER 90-53
Unit Contents
Base & hardener
Compatible Primers
-
Compatible Topcoats
-
Max. Application Temperature
-
Min. Application Temperature
-10°C (14°F)
Density
1.4 kg/l (11.7 lb/US gal)
Solids by Volume
65 ± 2%
Heat Resistance (up-to)
-
VOC
Directive 1999/13/EC, SED: max. 250.0 g/kg max. 344.0 g/l (approx. 2.9 lb/US gal)
Shelf Life (from date of manufacture)
24 months (base & hardener)
UN Number (Activator)
UN3469S
UN Number (Base)
UN1263
Base Type
Solvent-Based
Base Type
Epoxy
Suitable For Use On
Concrete
Suitable For Use On
Steel
Suitable For Use On
Primed Surfaces
Finish
Semi-Gloss
Application Method
Spray
Application Method
Brush
Application Method
Roller
Usages
High Build
Usages
Flexible
Usages
Low Temperature
Usages
Atmospheric
Usages
Anti-Corrosive
Usages
Intermediate
Product Usage Type
Topcoat
Product Usage Type
Intermediate
Product Range
SigmaCover
Colour Family
Brown
Colour Family
Pink
Colour Family
Orange
Colour Family
Purple
Colour Family
Yellow
Colour Family
Black
Colour Family
White
Colour Family
Neutral
Colour Family
Anthracite Grey
Colour Family
Cream
Colour Family
Grey
Colour Family
Green
Colour Family
Blue
Colour Family
Red
Dry to Recoat (@ 20-25°C)
3 hours
Attachments
Download


Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.

Questions

Question about the product

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(read)
questions Paul on 2023-08-07 16:24:02
Question: 

Hi there, Would this product be suitable to apply to 22mm egger protect tongue and groove flooring boards? Kind Regards Paul

Answer from Rawlins’ Technical Team:

From a practical point of view, this product wouldn't necessarily be recommended for use on floor-boards.

However it shouldn't be an issue, providing it is thinned by around 15-20% with PPG Thinner 91-92 to ensure it soaks in and binds well to the substrate.

IMPORTANT SHIPPING & DELIVERY INFORMATION

PPG SigmaCover 456 is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.

Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.

Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.

All delivery costs below are excluding VAT


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