Inorganic Zinc-rich Primer XH4006 is a zinc-rich primer. Used for protection of steel facilities and equipment, high-temperature pipelines, bridges and storage tanks in severely corrosive atmospheric environments. Parameters on this page: volume solids 65 ± 2%; dry film thickness 60/80/100 µm; theoretical spreading rate 6.5 m²/L.
Parameter source: T&H original technical data sheet (TDS) for Inorganic Zinc-rich Primer XH4006; spreading rate and other values are converted from TDS parameters and provided for product selection reference only.
The above content is compiled from the manufacturer's datasheet and this site's parameter tables. For selection, coating systems and lead times, pleaseContact Usfor confirmation.
This page carries the full TDS for this product, translated from the manufacturer's original document. No file download is needed; for an original-language copy, send an enquiry.
| Volume Solids | 65 ± 2% |
|---|---|
| Dry Film Thickness | 60/80/100 µm |
| Theoretical Spreading Rate | 6.5 m2/L |
| VOC | 410g/L |
| Density / Specific Gravity | 2.8 kg/L |
| Number of Components | Two-component |
| Flash Point | 17°C |
| Thinner | 5-15% |
| Mixing Ratio | Base : curing agent = 4.3:1 (by weight), 45:55 (by volume) |
For more Q&A on selection, application, acceptance and defect diagnosis, seeFAQsection.
A two-component solvent-borne inorganic zinc silicate coating whose performance and composition comply with HG/T 3668. Used for protection of steel facilities and equipment, high-temperature pipelines, bridges and storage tanks in severely corrosive atmospheric environments.
| Colour | Zinc grey |
|---|---|
| Gloss | N/A |
| density | 2.8 kg/L |
| Volume Solids | 65±2% |
| Volatile Organic Compounds | 410g/L |
| Flash Point | 17°C |
| Mixing ratio | Base : curing agent = 4.3:1 (by weight), 45:55 (by volume) |
| Typical dry film thickness | 60µm |
|---|---|
| Recommended dry film thickness | 50–100 µm, depending on system requirements |
| Induction time (20 °C) | No induction required |
| Thinner quantity (by volume) | Airless spray 5–20% | Air spray 5–20% | Roller or brush 5–15% |
| Recommended nozzle size | 0.43~0.64mm | 2.0~3.0mm | / |
| Recommended spray pressure | 15~20MPa | 0.3~0.6MPa | / |
| Application suitability | Recommended | Applicable | Suitable for small-area repair |
*For low-temperature application and where fast hard drying is required, use a fast thinner.
| Dry film thickness (µm) | 60 | 80 | 100 |
| Wet film thickness (µm) | 100 | 130 | 160 |
| Theoretical spreading rate (m²/L) | 10.8 | 8.2 | 6.5 |
Application data (typical dry film thickness 60 µm, 65% relative humidity):
| Temperature | Surface Dry | Hard Dry | Pot Life | Recoat interval | |
| Minimum | Maximum* | ||||
| 5°C | 60min | 12h | 8h | 48h | / |
| 15°C | 60min | 6h | 48h | / | |
| 25°C | 30min | 4h | 5h | 24h | / |
| 40°C | 30min | 2h | 3h | 24h | / |
*The maximum recoat interval depends on the exposure environment and the end use of the coating.
All surfaces to be coated shall be clean, dry and free from contamination. Before application, all surfaces shall be assessed and prepared in accordance with ISO 8504:2000. Blast clean to Sa2½ with a surface profile of 40–75 µm. Before derusting, remove all oil, grease and weld spatter, and grind welds and sharp edges. Where the coating film has suffered mechanical damage with localised rusting, spot blast to Sa2½ or power-tool clean to St3 before local repair of the primer. If the old film shows chalking or zinc salts, remove the zinc salts and contamination before applying other primers, intermediate coats or topcoats.
1. During application, ensure ventilation and exhaust, keep away from ignition sources, and wear protective equipment such as masks and gloves; maintain adequate ventilation during curing. 2. Add the zinc powder component slowly while stirring the liquid component, and mix thoroughly with a power tool; adjust the thinner quantity according to application needs and temperature. Strain through a 120-mesh screen before use and keep stirring during use. If the zinc powder is poured directly into the liquid, or the thinner is added before mixing, the paint will be hard to mix evenly and defects such as gun blockage and uneven film may result. 3. The maximum dry film thickness allowed is 120 µm; over-thick application may crack. Pay attention to edges/corners and over-thickness to avoid cracking. 4. This product is suitable only for blast-cleaned steel surfaces and inorganic zinc silicate coatings, and must not be applied over other coating types. On substrates with too-low roughness or smooth surfaces, the coating cannot achieve good adhesion and may even detach. 5. During application and curing, the substrate temperature must be above 5 °C and at least 3 °C above the dew point, and relative humidity must not exceed 85%. Temperature and relative humidity must be measured on the substrate near the working point. Keep the working environment well ventilated with relative humidity not below 60%. If the humidity is below 60% during application, wet the surface by spraying water, and assess cure per ASTM D4752 to at least rating 4 before recoating. 6. When the product is used alone in oil-, solvent- or chemical-resistant systems, the film thickness should not exceed 90 µm. The permissible pH range of the medium is 6–9. Assess cure per ASTM D4752 to rating 5. 7. Cutting structures coated with this product produces fumes and dust; take appropriate protection. 8. When overcoating this product, seal first, preferably with a dedicated sealer primer, or thin the subsequent epoxy coating and mist-coat it to seal, to avoid bubbling. Alkyd, alkyd-modified and polyurethane coatings must not be applied directly over this product. 9. During work breaks, do not leave paint in the hose, spray gun or spray equipment. Flush all equipment thoroughly with thinner. If the break is too long, mix a fresh batch of paint for application. 10. Clean all equipment with thinner immediately after use. Flushing spray equipment regularly during work is good practice. Cleaning frequency depends on spray volume, temperature and spraying time including interruptions. 11. Dispose of leftover paint and empty cans in accordance with local regulations.
| 25.4 kg per unit | Base 20.6 kg | Curing agent 4.8 kg |
| 9.1 L per set | Base 4.1 L | Curing agent 5 L |
Keep sealed in a ventilated, cool, dry place away from sources of ignition. Minimum 9 months.
1. For the coating and its recommended thinners, see the safety sheets and the safety data of the relevant materials. This is a solvent-borne coating; avoid inhaling spray mist and solvent vapours, and avoid exposing skin and eyes and contact with uncured paint as far as possible. 2. All work related to the application and use of this product must comply with the relevant national health, safety and environmental standards and regulations. 3. If welding or flame cutting is required on metal coated with this product, dust and fumes will be generated; use appropriate personal protective equipment and adequate local ventilation. 4. If in doubt about the suitability of this product, consult the company.
The information provided in this product data sheet is based on laboratory test results that we consider accurate, and is provided for application guidance only. All recommendations and advice given by T&H on the use of T&H products, whether in technical documents, special consultation or otherwise, are based on information we consider most reliable. Our products and the information provided are intended for users with the necessary knowledge and industrial experience, and it is for these end users to determine whether the products are suitable for their use. T&H cannot control the quality and condition of the substrate, nor the various factors affecting the use of the product. Therefore, T&H accepts no liability for any loss, injury or damage arising from the use of our products or from reliance on this product data sheet (unless otherwise agreed in writing). Data in this product data sheet may be revised as necessary based on practical experience and continued product development.
Information is subject to the manufacturer's latest version; the manufacturer's latest TDS prevails.
The technical parameters on this page are taken from the product's original manufacturer technical datasheet, the copyright of which belongs to the manufacturer. If a rights holder considers the presentation inappropriate, contact us for verification and handling.
Packaging specifications and batch lead times are subject to actual availability. PleaseContact Uscontact us for project-based calculation.
