3M 38378 Car Wash Soap, 5 gal, 1:100 Concentrate

3M 38378 Car Wash Soap, 5 gal, 1:100 Concentrate

• 3M 38378 is a concentrated car wash soap in a 5 gal pail for exterior automotive cleaning. It removes road film and grime without harming wax layers, is phosphate free and silicone free, and is body shop safe when diluted at 1:100.
• Features:
  • Concentrated formula mixes 1 part soap to 100 parts water, helping reduce cost per wash and storage needs.
  • Won’t harm existing wax layers when used as directed, helping preserve gloss between details.
  • Phosphate free and silicone free, suitable for body shop environments.
  • Heavy, long-lasting suds lift dirt and road film for efficient cleaning and rinse off without residue.
  • Application oriented: may also be used as a lubricant for 3M Perfect-It Cleaner Clay 38070.
• Specifications:
  • Manufacturer: 3M
  • Part Number: 38378
  • Product Type: Automotive car wash soap concentrate
  • Size: 5 gal pail
  • Dilution Ratio: 1:100
  • Formulation: Phosphate free; silicone free; body shop safe
  • Packaging: 1 pail per case
  • System Compatibility or Application: Exterior vehicle wash; may be used as lubricant for 3M Perfect-It Cleaner Clay 38070; follow label dilution and rinse guidance
• The 3M 38378 Car Wash Soap can also be referred to as car wash soap concentrate, automotive shampoo 5 gal, body shop safe car soap, phosphate free car wash, and silicone free car wash.

3M provides professional surface preparation and finishing solutions for automotive maintenance and collision repair. Its car wash soap concentrates are formulated for effective cleaning while supporting body shop processes that avoid silicone transfer and preserve finishes when used as directed.

Q: What is the correct dilution for 38378?
A: Mix 1 part concentrate to 100 parts water. Adjust technique to soil level while staying within the 1:100 ratio.

Q: Will this soap strip wax or sealant?
A: No. When used as directed, it will not harm wax layers and is suitable for regular maintenance washes.

Q: Is it safe for body shops and clear coat finishes?
A: Yes. The formula is phosphate free and silicone free, and is designated body shop safe by the manufacturer.