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BOSS by EaCo Chem

BOSS is an alkaline-solvent base oil spot remover that whitens concrete while removing oil stains. It is also used to remove food oil from exhaust hoods. BOSS does not contain harsh acids. It rinses with water by using a garden hose with a nozzle. Use a pressure washer for best results.

The manufacturer listed these factors:


  • Removes oil stains and brightens concrete at the same time.
  • Has good cling for hood cleaning.

  • Product will mar soft metals (such as aluminum) and painted surfaces.
  • May cause discoloration of some types of flooring and colored plastics.
  • Must be shaken or stirred well before applying.

Product literature designated these characteristics:

  • Appearance & Odor: Milky white liquid, mild odor.
  • Physical State: Liquid
  • pH: 13.5
  • Vapor Pressure (mmHg): N/A
  • Vapor Density (air=1): N/A
  • Boiling Point: 212 degrees F
  • Freezing/Melting Point: N/A
  • Specific Gravity (water =1): 1.13
  • Evaporation Rate: N/A
  • Solubility in Water: Slight

General Preparation
  • Protect anodized aluminum and foliage with polyethylene or other proven protective material.
  • Avoid wind drift on surrounding surfaces such as auto and pedestrian traffic.
  • Generally glass does not need to be covered if rinsed quickly.
  • Test any painted aluminum frames.

Surface and Air Temperatures
Excessively high or low temperatures will produce poor results and possible harm. Best cleaning results are obtained when air and surface temperatures are 40째 Fahrenheit or above. Do not clean when temperatures are below freezing or will be overnight. If freezing conditions exist, allow adequate time for surface to thaw. If air temperatures exceed 90째 Fahrenheit, flash cool the surface with water before applying product. Do not allow products to dry on the surface. Always rinse thoroughly while still wet.

Always test prior to beginning full-scale cleaning operations. Testing should confirm cleaning effectiveness on each type of surface and stain designated to be removed. Testing also determines the desired dwell time and any potential for adverse reactions with adjacent materials. Allow test panels to dry thoroughly before evaluating final appearance and results.

How to dilute? It's fine to apply BOSS undiluted, but exercise personal safety precautions and follow preparation tips (see above).

Refer to product label and manufacturer's instructions for other details.