Tag Archive | "siloxanes"

How to Clean Mold Release Agent from HDPE parts?

Q. We are looking for a product that will allow us to clean mold release agent from the surface of molded HDPE parts. A. The best way to reliably remove silicone based mold release agents is to immerse the HDPE parts in very hot (170ºF) 2% Alconox detergent followed by a very hot (170ºF) rinse, ideally both in ultrasonic tanks. After the first very hot rinse, normal ambient temperature rinsing can be done. This can also be done with stiff brushes, but of course protective equipment must be worn.

The theory behind this is that …

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Removing Silicone Oil from a HDPE/ABS Medical Device

Q. We are looking for a product to effectively remove silicone oil from a HDPE/ABS medical device. We currently use a combination of washing treatments to efficiently remove the silicone oil.

A. Remove silicon oil with ultrasonic cleaning with extremely hot (over 170 deg F or over 77 deg C) 2% Alconox detergent solution followed by a thorough rinse with water. Ideally, make sure the first rinse is with extremely hot water. Typically 10-20 minutes in ultrasonics is adequate to remove the residue.

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Cosmetics Cleaning

Q. What are some cleaning concerns for the Cosmetic industry? A. Cosmetic manufacturing involves many oils, pigments, emollients, and “waterproof” ingredients. Difficult-to-clean residues include titanium dioxide and silicone oil emollients. For help selecting an appropriate cleaner, request a copy of Alconox Guide to Critical Cleaning.

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