Hand sanitizer

40-80 is NOT recommended as a hand sanitizer.

Bleach vs. Foster® 40-80 First Defense®

Bleach versus Disinfectant

What type of PPE is required to use this product?

Generally speaking, handling hazards are minimal. If spraying, safety glasses are suggested to avoid spraying in eyes. Gloves are not normally required, as this product is not normally considered a skin hazard. However, if prolonged or repeated contact is expected, nitrile gloves could be used for added protection. Our safety data sheet has more details.

Shelf Life

It does NOT degrade like diluted bleach and remains at full strength for the duration of its shelf life.


Fogging is not a use included on our label. You can apply by coarse spray such as trigger, garden or airless sprayers at low pressure.

Check out our Grayco Sprayer

Food Contact Surfaces

As stated on the product label, Foster 40-80 may be used on washable, hard, non-porous surfaces such as tables, floors, walls and countertops. It may be used in hospitals, homes, institutional locations such as restaurants, hotels, health clubs and spas, etc. If used on food prep surfaces, the label directions require rinsing of all surfaces that come in contact with food such as countertops, appliances, tables and stovetops with potable water before reuse. Please see copy of our label with the relevant food processing statements highlighted. NOTE: the product should not be used on utensils, glassware or dishes.

IN FOOD PRODUCTION FACILITIES, Foster 40-80 is NOT for food contact surfaces in food production facilities. We do not have any FDA approvals for this product. Do not use for sanitizing food production equipment. As stated on the label, “Before use in a federally inspected meat and poultry food processing plants and dairies, food products and packaging materials must be removed from the room or carefully protected.” Therefore this product would not be appropriate for food production areas, but other areas in the plant where food is not present or can be isolated, it may be possible. See label instructions.

Medical Device Surfaces

40-80 is NOT for use on medical device surfaces.

Health Canada Approval

Go to Health Canada website:
Search 40-80’s DIN: 02245840 to find listing.


Foster 40-80 is registered for use and sales in California.

Label refers to the use for water damage restoration uses, which does not include the Disinfection / Virucidal / Fungicidal / Mold and Mildew Control directions for use on hard, non-porous surfaces or other directions as found on the label and related to the norovirus and human coronavirus that related to the emerging pathogens claim for SARS-CoV-2 (COVID-19).

Prop 65

40-80 does not contain any Prop 65 chemicals – section 15 of SDS.


There can potentially be water damage on the electronics. We are not electronics experts, but spraying disinfectant or another water-based product onto many electronics would not be suggested as it may damage the components. For 40-80 to be effective, the surface needs to remain wet for 10 minutes.