Fast-drying Epoxy MIO Intermediate Coat XH4065

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Product Description

High-solids, high-build epoxy intermediate coat. Intended for anti-corrosion applications requiring fast drying and recoating; it achieves relatively fast drying even at temperatures below 5 °C while maintaining a long pot life and coating flexibility.

Product Characteristics

• The film has good flexibility and impact resistance
• Fast drying at low temperature; chemical crosslinking continues below 0 °C
• Good intercoat adhesion with both anti-corrosive primers and topcoats
• High volume solids, compliant with environmental requirements

Basic physical and chemical data

Application parameters

Application Methods

*In high-temperature seasons, a slow-drying thinner may be used as appropriate

Theoretical Spreading Rate

Application Data (typical dry film thickness 120 µm)

*Maximum recoating interval depends on the coating exposure environment and use. *Full cure time: 28 days at 0 °C, 14 days at 5 °C, 10 days at 10 °C, 7 days at 20 °C.

Surface Preparation

All surfaces to be coated must be clean, dry and free of contaminants. Before application, all surfaces must be assessed and prepared in accordance with ISO 8504:2000. When used as a primer, blast clean the substrate to Sa 2½, with surface roughness 40–75 µm. Before rust removal, remove all oil and weld spatter and grind welds and sharp edges. Areas of the coating damaged mechanically and showing localised rust must be spot blast cleaned to Sa 2½ or cleaned with power tools to St 3 before local repair. When applied over other existing coatings, remove chalk, zinc salts, grease and other contaminants by suitable methods. When applied over inorganic zinc silicate primers or metal spray surfaces, use an approved tie coat or transitional coat.

Precautions

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 as well. 2. When mixing, first stir the base uniformly, then add the curing agent according to the mixing ratio and mix uniformly; adjust the thinner amount according to application requirements and temperature changes, stir thoroughly and allow to induct. 3. When applied over inorganic zinc silicate coatings, seal with a tie coat; this product may be applied only after the tie coat is hard dry, otherwise the sealing effectiveness will be reduced. 4. Excessive thinning reduces sag resistance and slows curing; applying a thick film after excessive thinning also increases the risk of coating cracking. 5. Over-thick application seriously affects drying and curing, recoating performance and handling time. To obtain better coating performance, when the film thickness exceeds 200 µm, apply in multiple coats to improve coating density. Avoid applying excessively thick films in a single coat at edges, corners, welds and similar areas of structural components; once these areas are over-coated, extend the recoating time of subsequent coats to ensure solvent evaporation from the coating, otherwise cracking may occur during service. 6. After long-term exposure, if chalking occurs on the coating of this product, clean with high-pressure water or abrade the surface before applying subsequent coatings. 7. Roller application cannot achieve high film thickness and a well-continuous film in a single coat; multiple coats are required. 8. During application and curing, the substrate temperature must be at least 3 °C above the dew point, relative humidity must not exceed 85%, and the paint temperature must not be lower than 5 °C. 9. Cutting structures coated with this paint generates fumes and dust; take appropriate protective measures. 10. When work is paused, do not leave paint in paint lines, spray guns or spray equipment. Flush all equipment thoroughly with thinner. If the pause is too long, it is recommended to mix a fresh batch of paint for application. 11. Clean all equipment with thinner immediately after use. Flushing spray equipment at regular intervals during daily work is good practice. Cleaning frequency depends on spray volume, temperature, spray time, including interruption time, and other factors. 12. Residual paint and empty cans shall be disposed of in accordance with applicable regional regulations.

Packaging

Storage

Keep sealed in a ventilated, cool, dry place away from sources of ignition. Minimum 12 months.

Safety Precautions

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.

Scope of liability

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.