P&S Brake Buster

P&SBrake Buster

Updated · 9 ingredients analyzed

$0.19BEST $/OZ

A dilutable alkaline wheel cleaner concentrate with sodium metasilicate pentahydrate that deposits corrosion inhibitors during cleaning. P&S Brake Buster ranks #4 of 38 wheel cleaners for cleaning power.

Key Chemistry

pH

12–13

Active Mechanism

High pH alkaline cleaning saponifies oils and brake dust, while triple surfactant system emulsifies and lifts contaminants. EDTA chelates metal ions and hard water minerals.

Surfactants

3 (amphoteric, anionic, cationic)

“
Dean
Dean's TakeDean's PickJan 22, 2026

Brake Buster undiluted in a foam cannon sprayed over YUM Wheels is my favorite way to spend a Sunday morning. Leaves my Oxford White wheels gleaming.

Expert Analysis

Uses sodium metasilicate pentahydrate at 1-5% concentration to provide alkaline cleaning at pH 12.5, effectively dissolving brake dust and road grime. The formula incorporates three surfactant types (amphoteric, anionic, cationic) for comprehensive cleaning action and includes corrosion inhibitors that deposit a protective layer during the cleaning process. Both ready to use or dilutable from 1:1 to 10:1 for different cleaning intensities.

Key Differentiators

  • •pH 12.5 - extreme alkaline approach (vs thioglycolate or acidic)
  • •Triple surfactant system for broad cleaning spectrum
  • •EDTA chelating for hard water performance
  • •Acid-free - safe for all wheel finishes
  • •Concentrate - dilutable for value
  • •Excellent price per oz

Ingredients

9 disclosed
Cocamidopropyl betaine
1–5%
CAS: 61789-40-0Surfactant
Sodium Metasilicate Pentahydrate
1–5%
CAS: 10213-79-3pH adjustment
Dipropylene glycol monomethyl ether
1–5%
CAS: 34590-94-8Solvent
DI Water
N/D
CAS: 7732-18-5Solvent
Octyl Sulfate, sodium salt
N/D
CAS: 142-31-4Surfactant
Soyethyldimonium Ethosulfate
N/D
CAS: 68308-67-8Surfactant
disodium EDTA
N/D
CAS: 6381-92-6Chelate
Colorant
N/D
CAS: N/AColorant
Fragrance
N/D
CAS: N/AFragrance

Safety Profile

Signal Word
Danger
Eye Hazard
Causes serious eye irritation
Skin Hazard
May cause skin irritation (high pH)
Corrosive to Metals
No
Flammable
No

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