Home » Protective Coatings » Anti-fog Coatings
NANOMYTE® SAF-100 coated polycarbonate resists fogging over hot water (left) and upon being removed from a freezer (right).
SAF-100 is an optical grade, anti-fog coating with excellent abrasion and water resistance. The novel coating technology is based on NEI’s patented scratch-resistant, transparent coating, commercially known as NANOMYTE® SR-100. This base coating formulation has been modified with unique amphiphilic compounds which are locked into the coating matrix, creating a three-dimensionally networked molecular composite. The result is a high degree of mechanical durability, allowing the anti-fog properties to be retained, even after repeated washings with soap and water. NANOMYTE® SAF-100 passes EN 168 (Personal eye-protection. Non-optical test methods) for Mist Retardant Anti-fog Coatings and also exhibits anti-frost properties. The coating is easy to apply and is already in use in several commercial applications.
NANOMYTE® SAF-100 is an anti-fog coating for permanent application. The product is sold as a two-part liquid coating composition. It can be applied using standard coating processes, such as spraying, dipping, or flow coating and is thermally cured. For applications where a primer is necessary (such as polymer substrates), NEI supplies a primer product – NANOMYTE® SR-Primer – which works well with a range of plastics.
SAF-100 is ideally suited for surfaces where prevention of fogging and frosting is needed. The coating may be used on sports and safety goggles, glasses, face shields, respirators, outdoor signage, camera heads, environmental enclosures, windows, mirrors, windshields, displays, and other applications where fogging needs to be mitigated.
SURFACE PREPARATION
Ensure surfaces to be coated are clean and dry and apply a primer if necessary (such as polymer substrates). NEI supplies a primer product, NANOMYTE® SR-Primer, which works well with a range of plastics. The primer may be applied by dipping, flowing, spinning, rolling or spraying. For spray application of the primer, an HVLP spray gun with a nozzle size of < 1.0 mm is recommended, and the pressure should be set at approximately 25 to 30 psi. A single pass of spraying is recommended for the primer. The primed parts should then be dried at 70 ºC for 10 min before application of NANOMYTE® SAF-100.
COATING APPLICATION
It is recommended that coating application be performed in a clean environment to minimize surface defects. To make the coating solution, combine Part A and Part B at a 10:1 weight ratio and mix well by stirring briefly. The coating may be applied by spraying, dipping, or flowing.
For spray application of the coating, an HVLP spray gun with a nozzle size of < 1.0 mm is recommended, and the pressure should be set at approximately 25 to 30 psi. The induction time for spray application is 1 hour (i.e., wait at least 1 hour after mixing before coating application). For other application methods, it is recommended to age the mixed solution for at least 12 hours to obtain a highly uniform coating.
Although the mixed coating solution is stable indefinitely, it is recommended to use the solution within 72 hours after mixing for the best performance.
CURING
NANOMYTE® SAF-100 is thermally cured at an elevated temperature. Recommended curing conditions:
Shorter cure times / reduced temperatures may also be used depending on surface properties and performance requirements. Test samples for desired performance when deviating from recommendations.
Precautions for Safe Handling
Appropriate personal protective equipment should be used at all times. Provide good ventilation or extraction. Avoid contact with eyes, skin, and clothing. Avoid prolonged or repeated breathing of vapor. Wash hands thoroughly after handling. Keep away from heat, sparks, flames and other sources of ignition.
Conditions for Safe Storage
For best coating performance, keep containers tightly sealed and store in a dry and cool area. Avoid storage above 40°C / 104°F and contamination with incompatible materials. Keep away from heat, sparks, flames and other sources of ignition. Residual vapors might explode on ignition.
For complete information on the safe use of this material, please refer to the Safety Data Sheet (Part A) ♦ (Part B)
NANOMYTE® SAF-100 is a 2-part coating, sold in liter or gallon (~3.8L) kit quantities, as well as higher volumes by request. Both components (A & B) are included with purchase.
| NANOMYTE® SAF-100 | 1 liter kit | 1 gallon kit | 5 gallon kit |
| Part A | 3441 grams | 909.1 grams | 17.2 kg |
| Part B | 344 grams | 90.9 grams | 1.72 kg |
Additionally, NEI offers in-house coating services for customer’s parts, as well as coating development services, wherein coating formulations are customized to address specific customer requirements.
NANOMYTE® SAF-100, anti-fog coating, is sold and shipped directly from NEI and available in liter or gallon (~3.8L) quantities, as well as higher volumes by request. Alternatively, NEI offers custom coating services for a nominal fee and would be happy to coat your sample substrates for evaluation purposes. Unfortunately, we are unable to provide free samples.
To submit a quote request, complete the form below (* – required fields). Please note that by entering your information and submitting this form, you are agreeing to the terms of our privacy policy.
Have a question? Try our Frequently Asked Questions page first.
