Pure Epoxy Resin Coating XH4215

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Product Description

A high-solids, high-build epoxy coating for the corrosion protection of the inner walls of tanks and pipelines for industrial waste water, fire-fighting water, circulating water and the like

Product Characteristics

• Excellent water, acid and alkali resistance
• Good flexibility and impact resistance
• Fast drying
• A high dry film thickness can be achieved in a single application
• High volume solids, compliant with environmental requirements

Basic physical and chemical data

Application parameters

Application Methods

Theoretical Spreading Rate

Application data (typical dry film thickness 100 µm)

*The maximum recoat interval depends on the exposure environment and the end use of the coating.

Surface Preparation

All surfaces to be coated shall be clean, dry and free of contaminants. Before coating, all surfaces shall be assessed and treated in accordance with ISO 8504:2000. Where the film of this coating is mechanically damaged or shows local rusting, blast clean the affected area to Sa 2½ or power tool clean to St 3 before local repair. When applying over other old coatings, remove chalk, zinc salts, grease and other contaminants from the surface by suitable methods. When applying over an inorganic zinc silicate primer or metal-sprayed surface, use an approved tie coat or transition coat.

Precautions

1. During application, ensure adequate ventilation and exhaust, keep away from sources of ignition, and wear protective equipment such as masks and gloves; maintain adequate ventilation also during curing. 2. When preparing the paint, first stir the base component uniformly, then add the hardener according to the ratio and mix uniformly; adjust the amount of thinner according to application needs and temperature changes, mix thoroughly and induce. 3. When applying over an inorganic zinc silicate coating, use a transition coat for sealing; apply this product only after the transition tie coat has hard-dried, otherwise the effectiveness of sealing pinholes will be reduced. 4. Excessive thinning will reduce sag resistance and slow curing. 5. Excessive film thickness will seriously affect the drying, curing, overcoating performance and handling time of the coating. For better coating performance, when the film thickness is above 200 µm, apply multiple coats to improve coating compactness. Avoid applying excessive thickness in one pass on structural edges, welds etc.; if these areas are applied too thick, extend the overcoating time of subsequent coats to ensure solvent evaporation, otherwise the coating may crack in service. 6. If the coating chalks after long-term exposure, wash with high-pressure water or sand the surface before applying the subsequent coating. 7. With roller application, high film thickness and a good continuous film cannot be obtained in one pass; multiple coats are required. 8. During application and curing, the substrate temperature must be above 5 °C and at least 3 °C above the dew point, and the relative humidity must not exceed 85%. Good liquid media resistance is only obtained after the film is fully cured; the degree of cure depends on temperature and humidity, film thickness etc. At 25 °C and 50% humidity, a 200–300 µm coating must cure for at least 7–10 days before contact with liquid media; at lower temperatures or greater coating thickness, the curing time should be extended; at 10–15 °C the coating needs at least 21 days of curing before service; do not apply this product below 5 °C. 9. Cutting structures coated with this coating produces fumes and dust; appropriate protection shall be used. 10. When work is interrupted, do not leave paint in the hose, spray gun or spray equipment. Flush all equipment thoroughly with thinner. If the interruption is too long, it is recommended to mix a fresh batch of paint for application. 11. All equipment shall be cleaned with thinner immediately after use. Flushing the spray equipment periodically during daily work is good practice. The cleaning frequency depends on spray volume, temperature, spraying time and interruptions. 12. Leftover paint and empty cans shall be disposed of according to local 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.