Z-7 HARDCOAT is a high-modulus thermoset spray applied plural-component aromatic polyurea elastomer used as an abrasion, impact and moisture resistant coating for multiple substrates.

This rapid curing, 1:1 volumetric ratio system is designed to be sprayed with high pressure plural component spray equipment. Z-7 HARDCOAT delivers superior stiffness and corrosion resistance.

It forms a seamless, monolithic membrane with water and chemical resistance. Thickness of the lining will vary depending on the application, typically from a minimum of 30 mils up to unlimited thickness.

Shore Hardness (D)

Tensile (PSI)

Elongation (%)

Key Features

Robust application window with ability to spray at low temperatures -20° F ( -29° C) and high humidity.

Fast-set: handle within 60 seconds or less.

Temperature stability to -40° to 230° F (-40° to 110° C) with intermittent temperatures to 300° F (148° C).

Excellent leveling properties, sprays out with a smooth, glossy surface to reduce filling and sanding.

Excellent for weather & corrosion protection.

Excellent chemical resistance and corrosion resistance.

Typical Applications

Hard Coat for EPS, PU and other foams.

Pipe lining interior and exterior.

Saltwater corrosion such as protection for oil well platforms.

Bonds to virtually all substrates of any dimension, including metals, woods, concrete, fiberglass and geotextiles.

Various structural applications.

Spray Equipment

This product is designed to be sprayed with a high pressure plural component spray machine. Graco’s selection of spray equipment for plural component materials is designed for low, medium, and high output applications. Graco Reactor Plural-Component Systems help you get the job done with superior results

MSDS & Spec Sheets

Please click the links below for detailed information on the Z-7 HARDCOAT material.

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