ISO and ASTM are the two major international standards bodies for weathering and corrosion testing. Although they use...
What Kind of Accelerated Test Should I Run?
by Dave Duecker on Dec 10, 2020 9:35:11 AM
A very common and fundamental question to ask when beginning a weathering and/or corrosion testing program: “What kind of...
Why Do Q-Lab Testers Require Specific Calibration Radiometers?
by Andy Francis on Dec 2, 2020 11:28:41 AM
QUV and Q-SUN accelerated weathering testers require the use of special calibration radiometers. The CR10 and UC10 are...
Why is an air preconditioner used with the Q-FOG CRH Cyclic Corrosion Tester?
by Bill Tobin on Nov 23, 2020 12:24:39 PM
Q-Lab includes an air preconditioner as a standard accessory with every Q-FOG CRH tester. Not all manufacturers do this,...
Should I Be Concerned with Color Change or with Polymer Degradation?
by Sean Fowler on Nov 11, 2020 2:51:44 PM
This very common question is often well-meaning but can at times limit one’s understanding of weathering of materials....
What is Dew Point?
by Andy Francis on Nov 6, 2020 5:11:53 PM
The dew point is the temperature at which dew (condensation) forms and is a measure of atmospheric moisture. It is the...
What Standards Does Q-Lab Gravel Meet for Gravelometer and Other Testing?
by Dave Duecker on Oct 2, 2020 4:03:42 PM
The most common Gravelometer test method is SAE J400, which has existed since 1968 and has not changed much over time....
Is Bubble Tower Temperature Calibration in Corrosion Testing Really Necessary?
by Bill Tobin on Sep 23, 2020 10:38:13 AM
The short answer to this question is no, for two main reasons:
Does the Q-FOG CRH meet JASO M609/M610?
by Bill Tobin on Sep 8, 2020 4:26:20 PM
JASO M609/M610 CCT-I and CCT-II are cyclic corrosion tests that feature a fast transition between conditions. This fast...
Can the results of tests in two different conditions be compared?
by Sean Fowler on Sep 4, 2020 12:59:37 PM
Background: For a test in QUV we can choose between two conditions that give the same amount of total energy: Test A:...