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Solvent compatibility is another factor to consider when choosing a wipe. If the wipe is to be used with a solvent in the cleaning application, then the wipe must be selected with the solvent in mind. Solvent retention and absorbency may also be required. The wipe must the able to absorb a given solvent and retain the solvent within the fabric of the wipe for a sufficient amount of time, without premature release of the solvent. Knitted polyester and nylon wipes have the highest compatibility with a wide range of organic solvents and weak acids. Techclean Purwipes and Anti-Static Wipes have good absorbency, excellent durability when cleaning rough surfaces, and low ionic and organic residue contamination. The polyester/cellulose blended Techclean Wiper and Blue Maintenance Wipes have excellent resistance to solvents and weak acids, good durability when cleaning rough, abrasive surfaces, high particle entrapment and low particle and ionic contamination. They are an economical choice for general cleaning and spill clean-up.
Techspray general purpose wipes (e.g. Blue Maintenance Wipes #2365-300) are meant to be used for wiping and in non-critical or controlled environments. By cleanroom standards, Techspray general purpose wipes would be acceptable in Class 10,000 cleanrooms or in “controlled environments”. TechClean Wiper (2350-100) is a non-woven blend of polyester and cellulose, with the best properties of each. The cellulose gives it good solvency and strong cleaning strength, and polyester it gives it good wet strength and then a high degree of cleanliness. Because of absorbency, strength, and lower cost, TechClean Wipers are commonly used in electronic assembly on SMT stencils for removing solder pastes and adhesives. For more industrial application, Blue Maintenance Wipes (2359-300, 2364-50, 2365-300) are also made of polyester and cellulose wipes, with all the cleaning advantages of TechClean Wiper at an even lower cost.