Transozinc Epoxy Primer 155 (TO 1.55)
Transozinc Epoxy Primer 155 (TO 1.55) is a two-component zinc-rich epoxy primer designed to protect steel structures against corrosion in marine and industrial environments.
Transozinc Epoxy Primer 155 (TO 1.55) | Zinc Rich Epoxy Primer
Transozinc Epoxy Primer 155 (TO 1.55) is a two-component zinc-rich epoxy primer with a high zinc content, designed to protect steel structures against corrosion in industrial and marine environments.
The primer is quick drying and can be used as a holding primer. Transozinc Epoxy Primer 155 complies with the compositional requirements of ISO 12944 for Zinc Rich Primer and SSPC Paint 20, Type II, Level 1.
The product is also part of coating systems complying with Norsok M-501 and ISO 12944 requirements.
Key Features of Transozinc Epoxy Primer 155
- Two-component zinc-rich epoxy primer
- High zinc content
- Provides corrosion protection for steel structures
- Suitable for industrial and marine environments
- Quick drying
- Can be used as a holding primer
- Complies with ISO 12944 zinc-rich primer requirements
- Complies with SSPC Paint 20, Type II, Level 1
- Part of coating systems complying with Norsok M-501 and ISO 12944
Technical Specifications
| Product Code | TO 1.55 |
| Product Type | Zinc Rich Epoxy Primer |
| Colour | Grey |
| Gloss / Appearance | Flat |
| Volume Solids | Approx. 50% |
| Specific Gravity | Approx. 2.4 g/ml |
| VOC | Approx. 450 g/L |
| Flashpoint | Base > 16°C / Hardener > 25°C |
| Components | Two Component |
| Mixing Ratio | Base : Hardener = 88:12 by volume |
| Recommended DFT | 50 µm per coat |
| Recommended WFT | 100 µm per coat |
| Theoretical Spreading Rate | 10.0 m²/L |
| DFT Range | 25–80 µm |
| WFT Range | 50–160 µm |
| Thinner | Transocean Epoxy Thinner 6.03 |
| Application Method | Airless Spray, Airspray, Brush, Roller |
| Pack Size | 20 L |
Applications
Transozinc Epoxy Primer 155 is designed for corrosion protection of steel structures in industrial and marine environments.
The product can also be used as a holding primer.
Surface Preparation
All surfaces should be clean, dry and free from contamination. Steel surfaces should be treated in accordance with ISO 8504:2000.
For blast-cleaned steel, the recommended preparation is minimum Sa 2½ according to ISO 8501-1:2007. The surface profile and anchor pattern should be between 40 and 70 µm.
For minor repairs and touch-up work, corroded areas can be prepared by power-tool cleaning or water jetting. Power-tool cleaning should be minimum St 2 and preferably St 3.
Application Methods
Transozinc Epoxy Primer 155 can be applied by airless spray, airspray, brush and roller.
- Airless Spray: 140–180 bar nozzle pressure, 0.38–0.53 mm nozzle size
- Airspray: 3–5 bar pressure, 1.2–2.0 mm nozzle size
- Brush / Roller: Suitable for stripe coats and touch-up work only
Mixing and Thinning
Transozinc Epoxy Primer 155 is supplied in two containers as a complete unit consisting of Base (Part A) and Hardener (Part B).
The recommended mixing ratio is Base : Hardener = 88:12 by volume.
The base should first be stirred with a clean mechanical mixer. The entire contents of the curing agent should then be added and mixed thoroughly.
If thinning is required, thinner should only be added after the two components have been mixed.
The recommended thinner and cleaner is Transocean Epoxy Thinner 6.03.
Curing Times
| Substrate Temperature | 10°C | 23°C | 30°C |
| Touch Dry | 40 Minutes | 20 Minutes | 15 Minutes |
| Dry to Handle | 8 Hours | 4 Hours | 2 Hours |
| Full Cure | 10 Days | 5 Days | 4 Days |
| Pot Life | 10 Hours | 6 Hours | 4 Hours |
Recoating
For two-pack products, the minimum recoating interval is 16 hours at 10°C, 6 hours at 23°C, and 4 hours at 30°C. The maximum interval is stated as indefinite in the datasheet.
Recoating intervals are provided as guidance and can vary according to local climate and environmental conditions.
Storage and Handling
Store the product in a dry, cool and well-ventilated area away from sources of heat and ignition. Keep containers tightly closed and in their original packaging until required for use.
The product is intended for use by professional applicators. Appropriate protective equipment and adequate ventilation should be used during application.
Technical Documents
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Frequently Asked Questions
What is Transozinc Epoxy Primer 155?
Transozinc Epoxy Primer 155 (TO 1.55) is a two-component zinc-rich epoxy primer with a high zinc content designed to protect steel structures against corrosion.
Where can Transozinc Epoxy Primer 155 be used?
It is designed for steel structures in industrial and marine environments and can also be used as a holding primer.
What is the mixing ratio?
The recommended mixing ratio is Base : Hardener = 88:12 by volume.
What is the recommended DFT?
The recommended dry film thickness is 50 µm per coat.
What is the theoretical spreading rate?
The theoretical spreading rate is approximately 10.0 m²/L.
Which thinner is recommended?
The recommended thinner and cleaner is Transocean Epoxy Thinner 6.03.
What colour is Transozinc Epoxy Primer 155?
The datasheet specifies the colour as Grey with a Flat appearance.
What surface preparation is required?
For blast-cleaned steel, minimum Sa 2½ according to ISO 8501-1:2007 is recommended, with a surface profile between 40 and 70 µm.
| Coating Type: | High Solids Polyurethane Coating |
|---|---|
| Finish | Semi-Gloss |
| Components | Two Component |
| Mixing Ratio: | 82:18 |
| Volume Solids | 72% |
| Specific Gravity | 1.45 g/ml |
| VOC: | 275 g/L |
| Recommended DFT | 75 µm |
| Recommended WFT | 105 µm |
| Pack Size | 20 L |
| Shade | TO 06 Cream (BS10B15), TO 20 Sand Yellow, TO 23 Buff (BS 358), TO 12 Signal Yellow (RAL 1021), TO 31 Sea Green (RAL 6019), TO 63 Orange (RAL 2000), TO 62 Rescue Orange, TO 64 Signal Red (RAL 3000), TO 66 Red Brown, TO 33 Eau de Nil (BS 216), TO 44 Sky Blue (RAL 5015), TO 45 Sea Blue (BS 107), TO 46 Signal Blue (RAL 5010), TO 48 Ultramarine Blue, TO 38 Green (RAL 6002), TO 53 Light Grey (RAL 7035), TO 54 Sea Grey, TO 56 Silver Grey (RAL 7001), TO 57 Deck Grey (BS 637), TO 59 Dark Grey (RAL 7012), TO 800 White, TO 899 Black |
| color | TO 56 Silver Grey (RAL 7001) |
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