ANSI D3, D4, and D5 are safety ratings that focus on protection against liquid splashes and airborne particles. These are subcategories of the ANSI Z87.1 safety standard for protective eyewear.
Protects against liquid splash and droplets
Chemical handling, labs
Protects against large dust particles (≥150 microns)
Woodworking, construction
Protects against fine dust particles (<150 microns)
Cement, grinding, pharma
These ratings apply to safety glasses with a foam or rubber seal or safety goggles used in hazardous environments.
Look for the markings on the frame or lens. A proper D-rated safety glass will be stamped with ANSI Z87 plus the relevant D rating(s). For example:
Z87+D3D4D5 = Rated for high impact, splash, and large and fine dust.
Your eyewear is not rated for those hazards if you don’t see D3, D4, or D5 listed.
Chemical handling, medical labs, wastewater, food processing
Carpentry, farming, landscaping, packaging
Mining, metal grinding, silica dust environments, powder handling
To be D-rated, glasses must have:
Most standard safety glasses do not qualify. Choose sealed eyewear or goggles.
We offer a range of prescription-ready D3, D4, and D5 safety glasses and goggles with:
Perfect for jobs that combine dust, splash, and prescription needs.
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