hard coat

Protective outer layer

Hard coat refers to a durable protective finish applied to surfaces, especially eyeglass lenses and optical equipment, to resist scratching: These lenses come with a hard coat that protects against everyday wear.

The term also appears in construction for a type of stucco finish applied in multiple layers for exterior walls.

Related

glaze · finish · durable · protective · UV protection · resin · epoxy · scratch-resistant · glossy · topcoat · polyurethane · acrylic · weatherproof · automotive · auto body · clear · tough · layer

Opposites
coating durability/hardness

hard coatsoft coat

Smooth-textured outer garment

soft finish · silky coat · smooth coat · rubber coating

durability/protection level

hard coatsoft coat

Smooth-textured outer garment

thin film · primer · base coat

Family

hard, coat, harder, hardest, harden, hardened, hardening, hardness, hardly

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Rated G