Priced as of May 15, 2026
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Prices may varyFrom the Safety Data Sheet
Full SDS ↗ (rev. 2020-07-01)GHS hazard codes are quoted from the manufacturer’s Safety Data Sheet. PPE tiers below translate those codes and the listed ingredient chemistry; they are not CarCareTruth recommendations.
EyesSituationalMfr. SDS §8SkinSituationalMfr. SDS §8LungsSituationalMfr. SDS §8Ventilation—No PPE in published sourcesShow details for all categories ▾Hide details ▴
From the manufacturer’s Safety Data Sheet, Section 8
“No H318 or H319 in SDS §2 — mixture-level eye classification is Not classified per SDS §11. Situational at wheel-height working posture where splash during pour or applicator contact is realistic.”
— Gtechniq
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
From the manufacturer’s Safety Data Sheet, Section 8
“No H315 or H314 in SDS §2 — skin classification Not classified at mixture level per SDS §11. Heptane carrier at ingredient level carries H315; situational for prolonged contact during wipe-on application.”
— Gtechniq
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
From the manufacturer’s Safety Data Sheet, Section 8
“No H335 at mixture level — SDS §11 Not classified for respiratory irritation. Heptane carrier (flash point −3°C) is highly volatile; SDS §7 specifies adequate ventilation. Wipe-on format, not aerosolized.”
— Gtechniq
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
No PPE specified in published sources for ventilation. Absence does not imply “not needed” — consult the full Safety Data Sheet.
PPE tiers translate the manufacturer’s SDS and U.S. regulatory standards. Not professional safety advice. How we report safety.
CarCareTruth's Analysis
Last reviewed May 16, 2026
TL;DR No community heat-cycling data from track use has been confirmed — the 600°C manufacturer rating is an unverified product claim, making C5 better evidenced for street driving than track use. On daily drivers it holds up: 9–14 months of water-beading and noticeably easier brake-dust removal is the consistent community report across 798 Amazon reviews.
What it is and how it performs
C5 Wheel Armour is an alkoxysilane-ceramic coating that chemically bonds to wheel surfaces — alloy, powder-coated, satin, and matte — to shed brake dust and road grime. One 15 ml bottle covers a full set of four wheels using a wipe-on applicator pad; prep is an IPA wipe on clean, decontaminated wheels, with a working time of roughly 5–10 minutes per wheel in shade. Community data confirms 9–14 months effective protection on daily drivers, in line with the lower end of the manufacturer's 1–2 year claim. Brake-dust adhesion is noticeably reduced; pH-neutral rinse clears most accumulated dust at a regular wash.
Who should buy this — and who should skip it
Right for a daily driver owner who wants less time on iron remover and is comfortable with a wipe-on application. Confirmed compatibility with powder-coated and matte finishes makes it broadly usable. Skip it for track days or repeated hard-braking use — no community heat-cycling evidence exists for those conditions.
Safety and environmental impact
Signal word DANGER is from H225 (highly flammable, heptane carrier) — a fire hazard, not a biological health hazard; SDS §11 classifies all toxicological endpoints as Not classified. Apply outdoors or in a fully open garage with ignition sources eliminated; flash point is −3°C. H402 and H412 (aquatic hazard) are in SDS §2 — do not dispose down storm drains. No PFAS chemistry.
From the manufacturer
Marketing copy from Gtechniq, via Amazon. Not editorial.
- •MAKES SURFACES SUPER SLICK TO REPEL DIRT AND GRIME - alloy wheels, brake calipers and exhaust tips look significantly cleaner, shinier and brighter, with fewer brake pad deposits and day-to-day road dirt
- •DIRT SIMPLY BRUSHES OR RINSES OFF - not only do you notice a vast reduction in brake dust and dirt build-up, but what little you do get is easy to clean off without needing an aggressive wheel cleaner. Safe to use on matt, satin and powder coated finishes.
- •CHEMICALLY BONDS TO THE WHEEL SURFACE - unlike protective coatings that sit on the surface of this coating bonds at a molecular level to deliver a highly durable, long-lasting non-stick surface
- •MADE BY THE WORLD LEADER IN MOLECULAR NANOTECHNOLOGY – founded in 2001 by a quantum physicist, Gtechniq products are unique and use innovative, advanced technology to achieve a level of performance that outclasses any others on the market
- •100% CUSTOMER SATISFACTION FROM UK BASED GLOBAL COMPANY – sold in 50 countries worldwide, Gtechniq has been the no 1 choice of high-end vehicles for over 20 years, and is passionate about the quality of its products and the stellar service it provides
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Manufacturer specifications
- Brand
- Gtechniq
- Style
- Wheel Dust Shields
- Item dimensions L x W x H
- 2.17 x 2.17 x 4.33 inches
- Water Resistance Level
- Water Repellent
- Item Form
- Liquid
- Brand Name
- Gtechniq
- Unit Count
- 1.01 Fluid Ounces
- Global Trade Identification Number
- 05060147721515
- Number of Items
- 1
- Part Number
- C5 0.03
- Model
- C5 0.03
- Item Type Name
- Gtechniq C5 Wheel Armour Protects Alloy Rims, Repels Brake Dust and Dirt for up to 12 Months - 30ml (Sufficient for 4 x 21" Inner & Outer Rims)
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