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McKee's 37

Gentle Wheel Cleaner

An acid-free alkaline wheel cleaner designed for regular maintenance cleaning by enthusiasts who wash their vehicles weekly or bi-weekly. McKee's 37 Gentle Wheel Cleaner contains chelating agents that bind dissolved minerals, helping prevent water spots and mineral deposits during rinsing.

Key Chemistry

pH Level

9.0

Active Mechanism

chelation and surfactant cleaning

Surfactants

4 (anionic, nonionic, amphoteric)

Expert Analysis

This water-based surfactant system uses a blend of anionic, nonionic, and amphoteric cleaners to remove brake dust and road grime without harsh acids or iron-reactive components. The disclosed chelating agent (EDTA) helps break down mineral deposits, while the alkaline pH of 9 provides effective cleaning power that remains safe on all wheel finishes.

Key Differentiators

  • True gel viscosity that clings to vertical surfaces for extended dwell time
  • Multi-surfactant system designed specifically for frequent maintenance rather than heavy decontamination

Potential Concerns

  • Low ingredient transparency with only regulated components disclosed on SDS
  • May require more agitation or stronger products for heavily contaminated wheels or infrequent cleaning schedules

Ingredients

9 disclosed
Isopropylidene glycol1.5%-2%
CAS: 100-79-8cleaning agent
sulfuric acid, mono-C10-C16-alkyl esters, sodium salts1.3% to 2%
CAS: 68585-47-7surfactant
tetrasodium ethylenediaminetetraacetate1.75% to 2.25%
CAS: 64-02-8chelating agent
Non-Hazardous Blend2.5%-3%
CAS: N/Ablend component
WaterN/D
CAS: 7732-18-5solvent
Amines, C10-16-alkyldimethyl, N-oxidesN/D
CAS: 70592-80-2surfactant
Lauryl amine oxideN/D
CAS: 1643-20-5surfactant
Sodium chlorideN/D
CAS: 7647-14-5salt
1-Propanaminium, 3-amino-N- (carboxymethyl)-N,N-dimethyl-, N-coco acyl derivs., inner saltsN/D
CAS: 61789-40-0surfactant

Source: sds only

Safety Profile

Signal Word
Warning
Eye Hazard
Causes serious eye irritation
Skin Hazard
Causes mild skin irritation
Corrosive to Metals
No
Flammable
No

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