Introduction to the Performance of Epoxy Floor Coatings
Introduction to Epoxy Floor Paint Performance
In the mid to late 20th century, many cleanroom floors appeared in Europe and America, using a solid polymer surface layer known as 'epoxy floor paint', primarily composed of epoxy resin and hardeners.
Epoxy floor paint can be divided into two types: solvent-based and solvent-free. Solvent-based epoxy floor coatings emit a certain amount of volatile organic compounds (VOCs) during production, construction, and curing, but they are relatively low in cost, while solvent-free epoxy floor coatings align with environmental protection concepts.
1. Application Range of Epoxy Floor Paint:
Manufacturing workshop floors for electrical, electronic, mechanical, communication equipment, instruments, food, pharmaceuticals, chemicals, tobacco, feed, textiles, beverages, clothing, furniture, plastics, and sports goods, especially walkways that require forklifts, cars, and heavy hand trucks, should have strong wear resistance and withstand certain impacts.
2. Performance Characteristics of Epoxy Floor Paint
1. Formed by the consolidation of epoxy resin and ultra-hard quartz sand, with extremely high strength;
2. Strong resistance to heavy pressure, impact, and wear, with strong adhesion;
3. Dustproof, moisture-proof, waterproof, corrosion-resistant, mildew-resistant, smooth, clean, and easy to maintain;
4. Available in various types, including semi-gloss, high-gloss, anti-slip surfaces, and suitable for low-temperature and humid conditions.
3. Construction Process of Epoxy Floor Paint
1. Surface treatment;
2. Apply sealing primer;
3. Spread epoxy intermediate mortar;
4. Spread epoxy putty;
5. Roll on epoxy topcoat;
4. Storage and Construction Precautions for Epoxy Floor Paint
1. Store in a dry, ventilated place at room temperature.
2. Avoid direct contact with skin and eyes.
3. Flammable product, keep away from heat sources and flames.
4. After mixing the two components evenly, let it sit for a few minutes and use it within 1 hour; clean tools immediately after construction.
5. The moisture content of the cement floor should be below 8%.
6. For temperatures below 10°C and humidity above 85%, choose varieties suitable for low-temperature and humid conditions.
7. People can walk on it 24 hours after construction, and vehicles can be used after 5 days.
5. Service Life of Epoxy Floor Paint
1MM is suitable for over 5 years, 2MM is suitable for over 8 years.
6. Technical Indicators of Epoxy Floor Paint
Drying time: dry ≤ 4 hours, actual dry ≤ 24 hours.
Adhesion strength: MPa ≥ 2.
Impact resistance: m50 pass.
Wear resistance (750g/500R, weight loss g) ≤ 0.03.
Water resistance: no change after 48 hours.
Compressive strength: MPa ≥ 80.
Flexural strength: MPa ≥ 6.
Tensile strength: MPa ≥ 8.
No change after 13 days in 30% saltwater.
No change after 7 days in 30% sulfuric acid.
No change after 7 days in 40% sodium hydroxide.
No change after 7 days in gasoline 120#.
7. Maintenance of Epoxy Floor:
1. After the floor construction is completed, it needs to be cured for 7-10 days before it can be used. During the curing period, avoid water or other solutions from soaking the surface.
2. All employees entering the workshop must change into rubber-soled shoes (foam-soled black shoes are not allowed) to prevent bringing in mud and sand from outside that could scratch the floor.
3. For hardware such as iron chairs, tables, and shelves, the feet must be wrapped in soft plastic or rubber or padded with cardboard to prevent scratching the floor during use.
4. Tractor boards must be lifted off the ground, and special care should be taken to avoid scratching the floor when turning.
5. When cleaning the floor, use a soft, absorbent mop or a wet-dry vacuum cleaner. You can use clean water or detergent, but be cautious as the floor may be slippery.
6. If wear or scratches occur due to prolonged use, small areas can be repaired locally; if the area is large, it is recommended to re-roll the coating.
7. Before equipment arrives, lay hard cardboard on the floor to prevent scratches during equipment transportation.
8. Use hard or elastic rubber wheels for carts and ensure they are used separately inside and outside the factory.
9. Wax treatment can be done according to floor requirements (this effect can prevent floor scratches).
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