Acrylic modified alkyd primer
1 PRODUCT DESCRIPTION
This product is a one-component coating composed of acrylic modified alkyd resin, pigments, additives and solvents.
2 RECOMMENDED USE
Applicable to steel surfaces of construction machinery, steel equipment, steel structures and pipelines as a rust-preventive primer.
3 FEATURES
- Single-component product with no construction time limit.
- Good weather resistance.
- Good application performance.
- Good anti-rust performance.
4 COMPLIED STANDARDS
Complies with Q/370800SBQ037-2019 “Acrylic Modified Alkyd Paint”.
5 PHYSICAL PROPERTIES
| Color | Various colors |
| Gloss, GU@60° | 10±5 |
| Mixing Ratio | Monocomponent |
| Specific Gravity | 1.5±0.1 |
| Volume Solids | 55±2% |
| Weight Solids | 75±2% |
| Film Thickness | Dry: 30–45 microns/coat; Wet: 55–82 microns/coat |
| Theoretical Coverage | 0.136 kg/m² at 50 microns |
Practical coverage is variable depending on surface conditions, environment and application method.
6 APPLICATION
| Application Temperature | -5–40℃ |
| Application Condition | Relative humidity shall not exceed 85%. Substrate temperature shall be at least 3℃ above the dew point. |
| Pot Life | Not applicable to this single-component product |
| Application Methods | Airless spray, air spray, brush and roller |
| Thinner | Alkyd thinner |
| Applied Substrate | Bare steel or a suitable primed surface |
| Coating System | Alkyd topcoat or according to the PUNTIUM recommended coating system |
Airless Spray
| Nozzle Tip Size | 0.43–0.53 mm |
| Nozzle Pressure | 10–15 MPa |
| Thinning Ratio | 0–10% by volume |
Air Spray
| Nozzle Tip Size | 2–3 mm |
| Nozzle Pressure | 0.3–0.6 MPa |
| Thinning Ratio | 5–15% by volume |
Brush / Roller
| Dilution Ratio | 0–10% by volume |
Drying Time and Overcoating Interval
| Temperature | Dry to Touch | Dry Hard | Minimum Interval | Maximum Interval |
|---|---|---|---|---|
| 5℃ | 90 min | 24 h | 36 h | — |
| 20℃ | 60 min | 12 h | 16 h | — |
| 30℃ | 30 min | 6 h | 8 h | — |
7 SURFACE PREPARATION
- Remove salt and other water-soluble contaminants with fresh water.
- Remove oil and grease with suitable detergent or solvent in accordance with SSPC-SP 1.
- Remove rust, mill scale and other foreign materials completely by abrasive blasting to achieve ISO Sa 2½ (SSPC-SP 10) or better.
- All coated surfaces must be clean, dry and free from dust.
8 STORAGE
| Storage | Store in dry, cool conditions away from heat and ignition sources. Containers must be kept tightly closed. |
| Shelf Life | 12 months at 25℃. Subject to re-inspection thereafter. |
9 CAUTIONS
SAFETY PRECAUTIONS
The following measures shall be ensured in all paint applications:
- Avoid skin and eye contact.
- If paint comes into contact with skin, wash with warm water and/or a suitable cleanser. If paint comes into contact with the eyes, flush with copious amounts of water and seek immediate medical attention.
- Ensure good ventilation. Avoid inhalation of spray mist or vapour.
- Application and handling should comply with relevant national regulations. Detailed information is given in the SDS.
DISCLAIMER
The information provided in this manual constitutes the most comprehensive and accurate data currently available to us. As the operating conditions of the product are beyond our control, this information does not constitute any warranty and is solely intended to assist the buyer in product selection. Given that our products and manufacturing processes are continuously evolving, this manual will be updated accordingly. All information herein shall be subject to our confirmation. Before using the product, please ensure that you have the latest version of this manual.
PREPARATION DATE
September 10, 2021
REVISION DATE
February 4, 2026
