PPG SigmaDur 550 H
PPG SigmaDur 550H (formerly SigmaDur 568) is a 2 pack high solids, high build polyurethane that offers a high gloss finish, part of the ISO 12944-6 System for Steel C5-I High
Best Uses
PPG Sigmadur 550 H has been developed as a high build, high solids polyurethane top coat that can be applied directly to metal. Sigmadur 550 H offers good colour and gloss retention. Further benefits offered from this high build coating is its resistance to splash of mineral and vegetable oils as well as paraffin’s, aliphatic petroleum products and mild chemicals.
Added to the fact that Sigmadur 550 H is available in most BS4800 and RAL Colours along with curing temperatures as low as -5°C. Sigmadur 550H is becoming a firm favourite with specifiers and facility managers worldwide.
Application
Blast clean steel to ISO-Sa2.5. If recoating is require the is no time window meaning that recoating can take place even after long atmospheric exposure by either airless spray, brush or roller.
Approvals
- Part of the ISO 12944-6 System For Steel C3 High at 80 microns DFT
- Part of the ISO 12944-6 System For Steel C4 High at 50 microns DFT
- Part of the ISO 12944-6 System For Steel C4 High at 120 microns DFT
- Part of the ISO 12944-6 System For Steel C4 High at 50 microns DFT
- Part of the ISO 12944-6 System For Steel C5-I High at 80 microns DFT
- Part of the ISO 12944-6 System For Steel C5-I High at 50 microns DFT
- Network Rail System N2 (XN90) at 50 microns DFT
- Network Rail System M21 (XM92) at 50 microns DFT
- Network Rail System M24 (XM92) at 50 microns DFT
- Norsok M-501 System 1 (Pre Qualified)
- Norsok M-501 System 2B
- Norsok M-501 System 6A
- Norsok M-501 System 6B
Features
- Excellent resistance to atmospheric exposure conditions
- Superior colour and gloss retention
- Non-chalking, non-yellowing
- Able to cure at temperatures as low as -5 degrees C
Technical Info
| Components: | Two Part |
| Type: | Aliphatic Acrylic Polyurethane |
| Finish: | Gloss |
| Stock Colours: | White and Black |
| Tintable: | Yes, upon request. Please note, bespoke tints are non refundable / exchangeable |
| VOC Content: | 330.0g per Litre |
| Volume Solids: | 70% |
| Suitable Substrates: | For metal surfaces |
| Application Method: | Brush, Roller, Air Atomised Spray or Airless Spray |
| Theoretical Coverage: | 14 m2 per litre at 50 microns |
| Wet Film Thickness (WFT): | |
| Dry Film Thickness (DFT): | 50 - 150 microns |
| Induction Time: | - |
| Pot Life: | 2.5 hours at 20°C |
| Touch Dry: | 3 hours at 20°C |
| Overcoatable: | After 8 hours at 20°C |
| Fully Cured: | 6 days at 20°C |
| Cleaner / Thinner: | PPG Thinner 21-06 |
| Shelf Life: | Base: 36 months, Hardener: 24 months when stored cool and dry |
| Packaging: | Available in 4 and 20 Litres |
