Description
Sigma Epoxy Primer Coating (Sigma Prime 200)
Hellog Energy is a distributor and supplier of Sigma Marine coatings in Nigeria, Sigma Epoxy Primer coating (Sigma Prime 200) is a Universal epoxy anticorrosive primer, based upon pure epoxy technology
Characteristics of Sigma Epoxy Primer Coating (Sigma Prime 200)
- Universal epoxy primer system suitable for ballast tanks, deck, topside, superstructure, hull, cargo oil tanks and cargo holds excellent anticorrosive properties and water resistance.
- Surface tolerant primer
- Good chemical resistance
- Good abrasion resistance for dedicated areas of application
- Excellent adhesion to steel, shop primer, galvanized steel and non-ferrous metals
- Excellent recoat ability
- Suitable for application and curing in a wide range of climatic conditions
- Suitable for bulk supply and twin feed application
- Suitable on wet blast cleaned substrates (damp or dry)
RECOMMENDED SUBSTRATE CONDITIONS AND TEMPERATURES
Immersion exposure
- Steel or steel with not approved zinc silicate shop primer; blast cleaned (dry or wet) to ISO-Sa21⁄2, blasting profile 30 – 75 μm (1.2 – 3.0 mils)
- Steel with approved zinc silicate shop primer; weld seams and areas of damaged shop primer or breakdown should be blast cleaned to ISO-Sa21⁄2, blasting profile 30 – 75 μm (1.2 – 3.0 mils) or power tool cleaned to SPSS-Pt3
- Coated steel; hydro jetted to VIS WJ2L (blasting profile 30 – 75 μm (1.2 – 3.0 mils))
- Primed steel or previous coat must be dry and free from any contamination
- IMO-MSC.215(82) Requirements for Water Ballast Tanks and IMO-MSC.288(87) for Cargo tanks of Crude Oil Tankers
- (specified areas only)
- Steel; ISO 8501-3:2006 grade P2, with all edges treated to a rounded radius of minimum 2 mm (0.079 in) or subject to three pass grinding or at least equivalent process before painting
- Steel or steel with not approved zinc silicate shop primer; blast cleaned to ISO-Sa21⁄2, blasting profile 30 – 75 μm (1.2 – 3.0 mils)
- Steel with approved zinc silicate shop primer; weld seams and areas of shop primer damage or break down should be blast cleaned to Iso-Sa 21⁄2 blasting profile 30 – 75 μm (1.2 – 3.0 mils): [1] For shop primer with IMO type approval; no additional requirements; [2] For shop primer without IMO type approval; blast cleaned to ISO-Sa2 removing at least 70% of intact shop primer, blasting profile 30 – 75 μm (1.2 – 3.0 mils)
- Dust quantity rating “1 for dust size class “3”, “4” or “5”, lower dust size classes to be removed if visible on the surface to be coated without magnification (ISO 8502-3:1992)
- Primed steel or previous coat must be dry and free from any contamination
Atmospheric exposure conditions
- Steel; blast cleaned to ISO-Sa21⁄2, blasting profile 30 – 75 μm (1.2 – 3.0 mils) or according to ISO-St3
- Shop primed steel; pretreated to SPSS-Pt3
- Galvanized steel must be free from grease, salts and any contamination
- Galvanized steel must be cleaned by solvent or roughened by sandpaper
- Coated steel; hydro jetted to VIS WJ2L (blasting profile 30 – 75 μm (1.2 – 3.0 mils))
- Primed steel or previous coat must be dry and free from any contamination
Applications Segment.
- CHEMICAL PLANTS
- PETROCHEMICAL PLANTS
- OFFSHORE LOCATIONS
- MARINE DRY DOCK
- MARINE NEW-BUILD
- SEA STORES
PRODUCT FEATURES
- PRIMER
- SURFACE TOLERANT
- ABRASIVE RESISTANT
BASIC DATA OF SIGMA PRIMER 200 AT 20°C (68°F)
Data for mixed product | ||
Number of components | Two | |
Mass density | SIGMAPRIME 200: 1.3 kg/l (10.8 lb/US gal) SIGMAPRIME 200 K: 1.4 kg/l (11.7 lb/US gal) | |
Volume solids | SIGMAPRIME 200: 57 ± 2% SIGMAPRIME 200 K: 60 ± 2% | |
VOC (Supplied) | Directive 1999/13/EC, SED: max. 326 g/kg (SIGMAPRIME 200) max. 430.0 g/l (approx. 3.6 lb/gal) (SIGMAPRIME 200) | |
Recommended dry film thickness | See spreading rate tables | |
Theoretical spreading rate | SIGMAPRIME 200: 3.8 m2/l for 150 μm (152 ft2/US gal for 6.0 mils) SIGMAPRIME 200 K: 6.0 m2/l for 100 μm (241 ft2/US gal for 4.0 mils) | |
Dry to touch | 1.5 hours | |
Overcoating Interval | See overcoating tables | |
Full cure after | 7 days | |
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