CRC Aerosol Bright Zinc Galvanic Rust Protection 350g

CRC Bright Zinc is a zinc rich aerosol paint that dries to a bright silver, similar to new galvanised iron. CRC says the film is made up of a high level of special water resistant binder, and that it gives galvanic rust prevention if the protective film becomes damaged.

CRC lists it for structural steel, transmission towers, transformers, guard rails, welding seams, rivet holes and touch-up over galvanized coatings. This page covers the 350g aerosol, CRC product number 2087.

Where this product is used

• Transmission towers, transformers, radio and TV relay towers and power generation equipment
• Structural steel, trailers, roofs and guard rails
• Welding seams and rivet holes
• Fencing and storage tanks
• Off shore oil rigs, ships, railroad equipment and sub-station equipment
• Touch-up over galvanized coatings

Features

• Dries to a bright silver similar to new galvanised iron when the can is correctly mixed
• Galvanic rust prevention if the protective film becomes damaged, as stated by CRC
• CRC states long term protection to steel because of cathodic action
• High build protective film that CRC states gives protection against moisture
• Heavy, flexible film: average 15 to 20 µm for a single coat, 30 to 40 µm recommended
• Temperature resistance up to 80 °C
• Aerosol only, with a hydrocarbon propellant

Key specifications

Selecting the right option

For a single component zinc rich compound with a special epoxy binder, see CRC Aerosol Zinc It Galvanic Rust Protection 350g. For zinc enriched satin enamel in colours see CRC Zinc Rust Protection and CRC Heavy Duty Zinc Rich Anti-Corrosive Coating.

Using it

CRC says thorough surface preparation gives longer protection. Ideally use abrasive blasting to AS 1627.9 Class 2, which substantially removes millscale, rust and foreign particles so that grey metal is visible. Apply to a firm, dry, thoroughly abraded surface.

Shake the aerosol thoroughly to mix before use. Correctly mixed, it is smooth and uniform throughout and dries to a bright silver similar to new galvanised iron.

For clean-up after spraying CRC gives enamel thinners.

Storage and handling

Do not puncture, incinerate or store above 50 °C. Do not place in direct sunlight or near any heat source. CRC gives a conditional warranty of 5 years from the date of manufacture.

Limits and safety

SDS classification: signal word Danger. Extremely flammable aerosol. Pressurised container: may burst if heated. Harmful in contact with skin. Causes skin irritation. Harmful if inhaled. May cause drowsiness or dizziness. May damage fertility or the unborn child. May cause damage to organs through prolonged or repeated exposure. Very toxic to aquatic life with long lasting effects. Transport: UN 1950, Aerosols, Class 2.1, no packing group allocated. Aerosol cans will conduct electricity: keep away from all live electrical sources including battery terminals, solenoids and electrical panels. Incompatible with oxidising agents (for example hypochlorites), acids (for example nitric acid) and alkalis (for example sodium hydroxide). Use only in a well ventilated area. Read the safety data sheet before use.

Frequently asked questions

Is CRC Bright Zinc a zinc rich paint?

Yes. CRC describes it as a zinc rich paint with a special water resistant binder, for galvanic rust prevention if the protective film becomes damaged. It dries to a bright silver similar to new galvanised iron.

How long does CRC Bright Zinc take to dry?

At 20 °C CRC gives 20 minutes to touch, recoat anytime and 24 hours to hard. Complete cure is 48 hours.

What is the coverage of a 350g can?

CRC gives 1 sq metre per aerosol can (6 sq m per litre). Recommended film thickness is 30 to 40 µm.

How should I prepare the surface?

CRC says to abrade thoroughly to a firm, dry surface and ideally abrasive blast to AS 1627.9 Class 2. Shake the can thoroughly before use.

What is the flash point of CRC Bright Zinc?

The safety data sheet gives -81 °C for the aerosol, and the technical data sheet gives 41 °C for the product without propellant. The SDS classes the can as an extremely flammable aerosol, so keep it away from heat and ignition sources.

Is CRC Bright Zinc a dangerous good?

Yes for transport: the SDS lists UN 1950, Aerosols, Class 2.1, no packing group allocated. It carries the signal word Danger and may damage fertility or the unborn child, so read the SDS before use.

Related products

See also: CRC Aerosol Zinc It Galvanic Rust Protection 350g, CRC Zinc Rust Protection, CRC Heavy Duty Zinc Rich Anti-Corrosive Coating, CRC Prime It Anti-Corrosive Primer for Steel 2091 - 400ml, CRC Etch It Etch Primer for White & Yellow Metals 2110 - 400ml.