Crest Ultrasonics

Chem-Crest 270 (JAR)

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Chem-Crest® 270

Ozone-safe ultrasonic biodegradable powdered alkaline detergent.
(6-pound jar)

Removes various oils, greases, lubricants, drawing and buffing compounds, solder fluxes, welding fluxes, photoresists, and airborne contaminants.
Download a PDF of the Chem-Crest 270 product sheet — which contains the information below:

Chem-Crest 270 is a heavy-duty phosphate-free cleaner for a variety of hard surfaces. It is a biodegradable powdered alkaline detergent. Chem-Crest 270 is a caustic, free-flowing, non-silicated compound.
Typical Contaminants Removed
Chem-Crest 270 removes various oils, greases, lubricants, drawing and buffing compounds, solder fluxes, welding fluxes, photoresists, and airborne contaminants.
Operating Conditions
Chem-Crest 270 is typically used at 3–5% by weight for various soil removal and at 15–20% for rust and carbon removal in ultrasonic applications at temperatures of up to 180°F.
Substrate Compatibility
Chem-Crest 270 is safe on ferrous metals, stainless steel, nickel, chromium alloys, plastics, glass, ceramics, and silicon wafers — when used as directed. It is not suitable for aluminum or zinc parts. Check with your Crest Ultrasonics representative for alternatives.
Chem-Crest 270 is available in cases of 4x1 (6) lb. jars and in 45 lb. and 100 lb. containers.
Physical Data
Flash Point: None
Specific Gravity: N/A
ph: 13.0 +/- 0.5
Solubility in Water: >99%
Volatiles: N/A
(The above are typical values and do not constitute specifications.)
Storage Conditions and Disposal Materials
Avoid freezing conditions. Dispose in accordance with Federal, State, and Local regulations and procedures. No products contained in this concentrate are regulated under SARA title III, Section 313.
Safety Precautions

*** (Chemicals and Equipment items ship from separate locations) ***

Disclaimer: All statements, technical information, and recommendations contained herein are based on tests or other information available to us, which we believe to be reliable, but the accuracy and completeness thereof is not guaranteed and are made without representation or warranty. They are presented for your own investigation and verification. Products discussed are sold without warranty, expressed or implied, in law or fact and upon the condition that the purchasers make their own tests to determine the suitability of such products to their particular purpose. We shall not be liable for any injury, loss, or damage direct or consequential, arising out of the use or the inability to use the product. It is the user's obligation and responsibility to determine that any use of the product or the information may infringe on patent rights.
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Call or email your nearest Crest Ultrasonics sales representative before ordering. You will find the information you need here:

Chem-Crest 270 (JAR)