Products / 2K Polyurethane Coatings
| SKU | 60-9961-5A&B |
|---|---|
| Pack sizes | 5L |
| System role | topcoat |
| Finish | gloss |
| Substrates | metal, mild steel, galvanised steel, previously painted |
| Environments | interior, exterior, industrial, immersion, chemical resistant, tank lining |
| Dry time | touch ± 3 hours · hard ± 8 hours |
| Coverage | 12 m²/litre @ 40 µm DFT theoretical; practical 50 to 70% less |
| Volume solids | ± 48% (depending on colour) |
Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L
This 2K Polyurethane Coating offers exceptional corrosion resistance, UV protection, and superior adhesion, making it ideal for industrial gases, healthcare, and specialty chemicals, enhancing durability and aesthetic appeal across various applications.
Use cases
- High-performance two-component polyurethane topcoat for industrial and commercial metal surfaces requiring maximum durability, UV resistance, and chemical resistance. Used in demanding exterior industrial environments. Requires mixing with hardener before application. Suitable for steel structures, plant equipment, and heavy machinery.
Technical data
From the Marindec technical data sheet for Armourthane 50 polyurethane finish coat (7:1) (60 series), TDS 1/110203. Drying and overcoating times vary with ambient temperature.
| Type | Two pack, high build, aliphatic acrylic polyurethane finish coat |
|---|---|
| Recommended film thickness | 35 to 45 µm DFT (75 to 95 µm WFT) |
| Theoretical spread rate | 12 m²/litre @ 40 µm DFT |
| Practical spread rate | 50 to 70% less than theoretical, depending on substrate & application conditions |
| Solids by volume | ± 48% (depending on colour) |
| Touch dry @ 23 °C | ± 3 hours |
| Hard dry @ 23 °C | ± 8 hours |
| Full cure @ 23 °C | ± 7 days |
| Overcoating interval | Minimum 6 hours |
| Mix ratio | 7 parts base to 1 part curing agent by volume |
| Pot life @ 23 °C | ± 4 hours |
| Recommended primer | Armourthane 2K (7:1) High Build Primer or Armourpoxy 2K (4:1) High Build Primer |
| Recommended thinner | Not recommended; if required use Armourthane 2K Thinner. For cleaning, use Armourthane 2K Cleaning Thinner |
| Application |
|
| Substrate conditions | Dry and free of any dirt, dust or oily residues; at least 3 °C above dew point; clean sufficiently by sandblasting or with sandpaper |
Datasheets
Frequently asked questions
What is Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L used for?
High-performance two-component polyurethane topcoat for industrial and commercial metal surfaces requiring maximum durability, UV resistance, and chemical resistance. Used in demanding exterior industrial environments. Requires mixing with hardener before application. Suitable for steel structures, plant equipment, and heavy machinery.
Which surfaces can Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L be applied to?
Suitable substrates include metal, mild steel, galvanised steel, previously painted.
Does Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L need a primer?
Yes — it needs a 2K polyurethane or epoxy high-build primer. The Marindec technical data sheet specifies Armourthane 2K (7:1) High Build Primer or Armourpoxy 2K (4:1) High Build Primer. Do not use a single-pack alkyd primer under it. These primers are not listed on the site: ask for one with your quote. Request a 2K high-build primer
What thinner should I use with Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L?
Per the Marindec technical data sheet: Not recommended; if required use Armourthane 2K Thinner. For cleaning, use Armourthane 2K Cleaning Thinner.
What film thickness should Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L be applied at?
The technical data sheet recommends 35 to 45 µm DFT (75 to 95 µm WFT).
What should I know before applying Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L?
2-component system: requires hardener. High-performance UV-stable finish.
How quickly does Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L dry?
Per the Marindec technical data sheet: touch dry ± 3 hours, hard dry ± 8 hours and full cure ± 7 days at 23 °C. Drying times vary with temperature and film thickness.
What coverage does Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L give?
The Marindec technical data sheet gives a theoretical spread rate of 12 m²/litre @ 40 µm DFT. Practical spread is 50 to 70% less than theoretical, depending on substrate & application conditions.
What pack sizes are available?
Polyurethane UHB7 — 1 A&b — Protea A58SANS 5L is supplied in 5L.