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Chem-Crest 75A (CASE)

Chem-Crest® 75A

Phosphoric acid-based ultrasonic liquid detergent concentrate.
(case of four 1-gallon bottles)

Removes oils, greases, lubricants and oxides, with capability of producing hydrophilic surfaces upon rinsing with water.

Download a PDF of the Chem-Crest 75A product sheet — which contains the information below:

Chem-Crest 75A is phosphoric acid based cleaner. The product is designed for removing oils, greases, lubricants and oxides. It is capable of producing hydrophilic surfaces upon rinsing with water. It is used typically for the brightening of soft metals as well as the removal of greases, oxides, and particulates, but finds uses in many different applications. Chem-Crest 75A is also part of the Crest Aqueous Displacement System series of detergents.
Typical Contaminants Removed
Chem-Crest 75A is effective at removal of light oxides from the surface of soft metal and stainless steel parts, as well as oils, tinctures, greases, and lubricants. Chem-Crest 75A will brighten dull appearances and leave no residue upon proper rinsing. It is recommended that an ultrasonic rinse follow applications using Chem-Crest 75A.
Operating Conditions
Chem-Crest 75A is used at typical dilution of 4 – 10 % by volume. Concentration may vary based on the type of the organic film. Typical operating temperature is in the range of 50°C - 65°C. Chem-Crest 75A is easy to rinse and leaves no residues when ultrasonically rinse with deionized water. In certain cases, a rust inhibitor, such as the Chem-Crest 77 series rinse injection line, will be necessary after use of Chem-Crest 75A.
Substrate Compatibility
Chem Crest 75A is compatible with 300 series stainless steel, titanium and various plastic components. It is not recommended for use with precious metals and should be tested before use on aluminum or copper-containing materials, high-carbon steels, and other materials.
Chem-Crest 75A is available in cases of (4) x 1-gallon plastic bottles, 5-gallon pails, and in 55-gallon containers. It is also available in bulk containers.
Physical Data
Flash Point: None
Specific Gravity: 1.15 +/- 0.07
ph: 1 % solution = 2.2 +/- 0.5
Solubility in Water: Complete
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. Chem-Crest 75A contains Phosphoric Acid (CAS# 7664-38-2), and is subject to regulation under SARA Title III, Section 313.
Safety Precautions

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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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