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Thermo-Fax (very often Thermo fax [1]) is 3M's trademarked name for a photocopying technology which was introduced in 1950. [2] [3] It was a form of thermographic printing and an example of a dry silver process. [4] It was a significant advance as no chemicals were required, other than those contained in the copy paper itself.
The pattern of fluoride release from glass ionomer cement is characterised by an initial rapid release of appreciable amounts of fluoride, followed by a taper in the release rate over time. [33] An initial fluoride “burst” effect is desirable to reduce the viability of remaining bacteria in the inner carious dentin, hence, inducing enamel ...
[15] 3M phased out production of PFOS in 2002 due to toxicity concerns. [16] One study, published in 2015, found that firefighters were more likely to have fluorinated surfactants in their bloodstream. [17] In 2016, the United States Air Force paid $4.3 million for a water treatment system for residents downstream of Peterson Air Force Base in ...
Fluoride varnish is widely used in the United Kingdom, following guidelines from multiple sources backing its efficacy. Public Health England, a UK government organisation sponsored by the Department of Health, released guidance in 2014 recommending fluoride varnish application at least twice yearly for children and young adults. [13]
In 2008, 3M created the Renewable Energy Division within 3M's Industrial and Transportation Business to focus on Energy Generation and Energy Management. [ 87 ] [ 88 ] In late 2010, the state of Minnesota sued 3M for $5 billion in punitive damages, claiming they released PFCs —classified a toxic chemical by the EPA—into local waterways. [ 89 ]
The Bair Hugger was produced by Arizant, previously known as Augustine Medicine. Augustine resigned from Arizant in 2002, and Arizant was bought by 3M in 2009. [5] Augustine later invented a different type of patient-warming device and formed a separate company to sell his competing device. [4] The Bair Hugger system received FDA clearance in ...
Dental composites. Glass ionomer cement - composite resin spectrum of restorative materials used in dentistry. Towards the GIC end of the spectrum, there is increasing fluoride release and increasing acid-base content; towards the composite resin end of the spectrum, there is increasing light cure percentage and increased flexural strength.
A release agent (also mold release agent, release coating, or mold release coating) is a chemical used to prevent other materials from bonding to surfaces. Release agents aid in processes involving mold release, die-cast release, plastic release, adhesive release, and tire and web release. [ 1 ]