Canadian Finishing and Coatings Manufacturing

 

September 2, 2022

RadTech TestingThe Environmental Protection Agency (EPA) has approved of the use of ASTM D-7767-11—Standard Test Method to Measure Volatiles from radiation curable acrylate monomers, oligomers, and blends and thin coatings made from thema test method developed by RadTech members for UV/EB thin films. The action was part of the approval of the South Coast Air Quality Management District’s (SCAQMD) Graphic Arts rule (Rule 1130) and marks the first time the EPA has approved a rule that includes a test method specifically for UV/EB thin films.

RadTech members developed the test method as both federal and local regulators recognized the inadequacy of standard EPA Method 24 for UV/EB materials, but could not produce a suitable alternative. Industry was asked to develop a method for thin films (ASTM D-5403-93 can be used for non-thin films and was incorporated by reference in Method 24).  At the regulators’ behest, RadTech embarked in an effort which involved 25 member companies, to get ASTM approval which ultimately yielded ASTM D-7767 in 2011.  
 
The EPA approved of the rule as part of the State Implementation Plan approval process—and their decision validates the ASTM method and offers additional certainty to raw material suppliers, formulators and end users who may wish to employ the method to determine Volatile Organic Compound (VOC) content in UV/EB thin film operations.

"We are grateful to the EPA, the SCAQMD Board and especially to our committed RadTech members who dedicated their time and resources," says Rita Loof, RadTech director of regulatory affairs.

Feature Video: DeVilbiss TEKNA Gun Flexes on Muscle Car Show

CFCM TeknaGun 400

Carlisle Fluid Technologies’ DeVilbiss TEKNA spray gun was recently featured on an episode of Detroit Muscle on Power Nation TV to bring a 1973 AMC Javelin back to life. Featuring a high finish quality and operator ergonomics, The TEKNA gun’s high transfer efficiency provides materials savings for solvent or waterbase paints.

The spray gun technology, which has been used in automotive refinishing processes for many years, is designed to spray all types of materials and comes with high efficiency or HVLP air caps that produce large spray patterns with even material distribution.

 

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New Bacharach Sling Psychrometer


CFCM slingpsychrometer 400Paul N. Gardner USA, global distributors, producers, and designers of quality physical and inspection instruments for the paint, coatings, and related industries, has introduced a new offering: The compact, portable Sling Psychrometer.

As an easy way to measure relative humidity levels quickly, this uniquely compact Bacharach Sling Psychrometer accurately determines per cent relative humidity without the necessity of consulting complex tables. There is no need to wet the wick each time a reading is taken, and it contains a slide rule calculator which correlates wet and dry bulb thermometer indications for direct reading of relative humidity. When not in use, the thermometer case telescopes into the handle for protection.

The Sling Psychrometer consists of two thermometers that are turned by vigorously swinging the handle and exposing the thermometers to rapid air movement. These two thermometers are called dry bulb and wet bulb. The bulb of one thermometer is placed in direct contact with the room air to measure dry-bulb air temperature. The bulb of the other thermometer is covered with a silk or muslin sleeve that is kept moist to record the wet bulb temperature. Evaporation cools the wet bulb more than the dry bulb, and the humidity is obtained as a function of change in temperature. The atmospheric humidity is determined by calculations, steam tables, or using a psychrometric chart. Gardco.com  

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