| Customization: | Available |
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| Color: | White |
| Appearance: | Liquid |
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For many years, various new viruses have been harassing people's normal lives, and preventive measures are taken by humans to respond. Applying antibacterial and antiviral coating materials on indoor environment and objective surfaces is an important and effective means in daily life. Bacteria and viruses can be effectively killed as long as they come into contact with antibacterial and antiviral coatings.
STWD antibacterial and virus killing nanomaterial protective coating is made with water-based environmentally friendly resin as the film-forming material, and taking water-based dispersed nano metal ions and graphene derivatives as the main antibacterial and virus killing materials. Nanoscale and graphene grade materials enable it to efficiently kill viruses while not causing any harm to the human body and human cells. The synthesized coating material not only maintains high environmental standards (meeting the GB/T34676-2017 standard for interior wall coatings for children's room decoration), but also has excellent antibacterial and antiviral properties (stronger than the industry standard requirements in terms of resistance to bacteria, mold, and virus). It is a functional coating material that can be used by all types of people, safe, efficient, and has good decorative properties. It is pollution-free to the environment.
Product features/advantages
*The surface of the coating is dense and sturdy, resistant to scrubbing, and has high adhesion force
*Very good covering power, color adjustable, and good decorative effect
*Outstanding environmental performance, meeting the standards for children's room decoration materials and not releasing harmful substances
*Good antibacterial, antifungal, antiviral properties and durability, with an antiviral activity rate of over 99.9%
*Excellent waterproof and mold resistant performance
*Excellent scrub resistance, with no damage to the coating film after 10000 washes
*Waterborne coatings, environmentally friendly, non-toxic, odorless during application. It is easy for storage and transportation.
Product application scope
It can be widely used in hospitals, office buildings, conference and exhibition venues, as well as high-end decorative protection for antibacterial, antiviral, waterproof and interior walls of civil buildings.
Product Physical Properties
| Item | Results |
| Appearance | Normal |
| Color | Color adjustable |
| Solid content(%) | ≥80 |
| Surface dry time (h) | <2h |
| Theoretical Coverage | 0.12kg/m2( dft40um) |
| Item | Results |
| Status in container | no hard lumps and in a uniform state |
| Application condition | Brush 2 layers without obstacles |
| freeze-thaw resistance (3 cycles) | Not deteriorating |
| Contrast ratio | ≥0.98 |
| Scrubing resistance (2000 times) | 10000 times, the paint film is not damaged |
| Acid resistance (24h) | Normal |
| Comprehensive stain resistance (white and light colors) ≥45 |
67 |
| No. | Test item | Standard value | Test results | Judgement |
| 1 | Free formaldehyde content, mg/kg | ≤5 | 5 | pass |
| 2 | Total amount of be nzene, to luene, ethyl ben zene, and xy lene, mg/kg | ≤60 | not detected | pass |
| 3 | Total amount of Ethy lene glycol ether and its derivatives esters, mg/kg | ≤100 | not detected | pass |
| 4 | Soluble element content, anti mony (Sb), ar senic (As), ba rium (Ba), cad mium (Cd), ch romium (Cr), lead (Pb), mer cury (Hg), sele nium (Se), mg/kg | not detected | pass | |
| 5 | As bestos Content | No threshold | not detected | pass |
| 6 | VOC content, g/L | ≤80 | 52 | pass |
| 7 | Total content of alkyl phe nol polyoxyethylene ether, mg/kg | ≤1000 | 396 | pass |
| Testing microorganisms | Standard requirements | Measured antibacterial rate | |
| Antibacterial properties | Escherichia coli | ≥99% | >99.9% |
| Staphylococcus aureus | ≥99% | >99.9% | |
| Antibacterial durability | Escherichia coli | ≥95% | >99.9% |
| Staphylococcus aureus | ≥95% | >99.9% |
| Testing items | Test strain | Mouldy grade |
| Antimycotic performance | Aspergillus niger, Penicillium cordiformis, Fusarium globosum, Paecilomyces vannamei, Aspergillus terrestris, and Aspergillus pullulans | Level 0 (no mold growth) |
| Durability against mould | Level 0 (no mold growth) |
| Experimental virus and host | Antiviral activity value | Antiviral activity rate(%) | |
| Antiviral activity test | Enterovirus 71 Host Name: Vero Cells |
>3.9 | >99.9% |
| Influenza A virus H3N2 Host Name: MDCK Cells |
>3.7 | >99.9% | |
| Antivirus durability | Enterovirus 71 Host Name: Vero Cells |
>3.9 | >99.9% |
| Influenza A virus H3N2 Host Name: MDCK Cells |
>3.7 | >99.9% |
Application guidance
Recommended layers: two or more
Coating interval: min 1 hour; Max: 48 hours
Suggested coating methods: brush, roller, airless spraying and air spraying
Application environment
Environmental temperature: 5-35 ºC
Relative humidity: 35-85%
Application precautions
The surface to be painted should be clean and free of oil, dust and scale.
This product is a single component and must be stirred evenly before use. If the viscosity is too high, an appropriate amount of about 5% water can be added according to application needs for viscosity adjustment.
Each coating should be controlled below a dry film thickness of 40 microns, an excessive thickness of the coating can easily cause bubbles.
This product is a water-based coating. Do not add organic solvents or other coatings for use.
Product packaging and shelf life
Packaging: 10 kg/barrel, 20 kg/barrel
Storage environment temperature: 5-35 ºC
*Product shelf life: 12 months (unopened)
*Ensure that the product packaging is well sealed
*Store in a cool and ventilated environment, avoiding direct sunlight.
Product health and safety information
For information and advice on the safe handling, storage and disposal of chemical products, users shall refer to the latest Material Safety Data Sheet containing physical, ecological, toxicological and other safety related data.
Integrity declaration
STWD guarantee all technical data stated in this sheet are based on laboratory tests. Actual testing methods may vary due to different circumstances. Therefore please test and verify its applicability. STWD does not take any other responsibilities except the product quality and reserve the right of any modifications on the listed data without prior notice.
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