Antibacterial powder coating
Anti-Microbial Powder：
Most moutainchem powder paint coatings can be formulated with anti-microbial capabilities. These coatings use silver ions to inhibit the growth of mildew and spoilage-causing microbes on the powder coating.
What’s more, as silver is a naturally occurring element, the silver ions used are environmentally responsible and have been shown to offer protection against microbes that cause odor, mildew, and spoilage on the product without high toxicity to humans and animals.
Lasting Performance, Keeping Your Coatings CleanThe latest coating technologies provide your products with protection that exceeds other conventional finishes — extending the longevity, integrity and aesthetic beauty of your products. Upon request, all chemicals and colours of Sherwin-Williams powder coatings can be made in antimicrobial version.
Suggested end uses for antimicrobial coatings include high touch surfaces:
Hospital furniture
Patient room and intensive care units (ICU) entrances of hospitals and medical facilities
Laboratory equipment
Classroom window frame surfaces in schools and universities
Entrances to hotels, shopping malls or other retail locations
Kiosks or vending machines
Fitness equipment
Office furniture, door handles, elevator buttons or shelf units
Interior or exterior aluminum handrails
Building materials, including interior frames of windows & doors
Home appliances
Lighting fixtures
Heating and air conditioning units
Features:
— Prevent the growth of Escherichia coli, Aspergillus flavus, Staphylococcus luteus, Penicillium citrinum, Chromobacterium citrifolium, Mucor racemosus, Mycelium dermatophyte, Rhodococcus rhodopsinus, etc.
— Long-term
— Can reach 4N-5N (99.99-99.999%)
Applications:
— Kitchenware: dishwashers, stoves, cabinets, etc.
— Household appliances: refrigerators, freezers, water dispensers, microwave ovens, etc.
— Medical equipment: medical beds, etc.
Application parameters:
Curing time: 200℃×10–15 minutes
Spraying method: High-voltage electrostatic spraying 60-80 KV
Recommended film thickness: 60-80 um
| Performance Category | Performance Parameter | Specification | Test Method |
|---|---|---|---|
| Physical Properties | Pencil Hardness | ≥ H | GB/T 6739 |
| Impact Resistance | ≥ 50 kg·cm | GB/T 1732 | |
| Flexing Endurance | ≤ 2 mm | GB/T 6742 | |
| Adhesive Force | 0 grade | GB/T 9286 | |
| Bulge Depth | ≥ 6 mm | GB/T 9753 | |
| Chemical Properties | Salt Spray Resistance | ≥ 500 hours, ≥ Grade 9 | GB/T 1771 |
| Humidity Resistance | ≥ 1000 hours, slight loss of gloss | GB/T 1740 | |
| Acid Resistance (5% H₂SO₄) | 1 year, no color change or foaming | – | |
| Alkali Resistance (5% NaOH) | 30 days, slight loss of light | – | |
| Antibacterial Rate | 4N to 5N (99.99-99.999%) | – |
The above tests all use 0.8mm degreased and derusted cold-rolled steel plates, with a coating thickness of 40 to 80um. The performance indicators of the coating will vary slightly with the gloss.
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