---
title: Q-Lab Weathering & Corrosion Topics | FAQ
description: FAQ | Common weathering and corrosion topics, written and published by Q-Lab Corporation.
---
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# Q-Lab Weathering & Corrosion Blog
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#### Filter Posts by Category
- [Weathering](https://blog.q-lab.com/tag/weathering)
- [Corrosion](https://blog.q-lab.com/tag/corrosion)
- [FAQ](https://blog.q-lab.com/tag/faq)
- [Outdoor](https://blog.q-lab.com/tag/outdoor)
- [Case Study](https://blog.q-lab.com/tag/case-study)
[](https://blog.q-lab.com/how-do-i-interpret-chamber-set-point-tolerances-in-standards?hsLang=en)
### [How Do I Interpret Chamber Set Point Tolerances in Standards?](https://blog.q-lab.com/how-do-i-interpret-chamber-set-point-tolerances-in-standards?hsLang=en)
by [Bill Tobin](https://blog.q-lab.com/author/bill-tobin?hsLang=en) on Nov 14, 2022 9:47:00 AM
Weathering and corrosion test standards usually specify chamber set point conditions with a plus/minus value. For example,...
[Read More](https://blog.q-lab.com/how-do-i-interpret-chamber-set-point-tolerances-in-standards?hsLang=en)
[](https://blog.q-lab.com/how-many-hours-in-a-q-sun-xenon-test-chamber-or-a-quv-weathering-tester-equals-a-year-of-outdoor-exposure?hsLang=en)
### [How many hours in a Q-SUN or a QUV equals a year of outdoor exposure?](https://blog.q-lab.com/how-many-hours-in-a-q-sun-xenon-test-chamber-or-a-quv-weathering-tester-equals-a-year-of-outdoor-exposure?hsLang=en)
by [Sean Fowler](https://blog.q-lab.com/author/sean-fowler?hsLang=en) on Aug 22, 2022 9:00:00 AM
This is a simple question, but unfortunately there is no simple answer. It is theoretically impossible to have a single...
[Read More](https://blog.q-lab.com/how-many-hours-in-a-q-sun-xenon-test-chamber-or-a-quv-weathering-tester-equals-a-year-of-outdoor-exposure?hsLang=en)
[](https://blog.q-lab.com/calibration-vs.-adjustment?hsLang=en)
### [Calibration vs. Adjustment](https://blog.q-lab.com/calibration-vs.-adjustment?hsLang=en)
by [Andy Francis](https://blog.q-lab.com/author/andy-francis?hsLang=en) on Aug 12, 2022 9:00:00 AM
Q-Lab strongly recommends regular calibration of irradiance sensors, black panel and chamber air temperature sensors, and...
[Read More](https://blog.q-lab.com/calibration-vs.-adjustment?hsLang=en)
[](https://blog.q-lab.com/what-part-of-standards-are-mandatory?hsLang=en)
### [What Part of Standards Are Mandatory?](https://blog.q-lab.com/what-part-of-standards-are-mandatory?hsLang=en)
by [Bill Tobin](https://blog.q-lab.com/author/bill-tobin?hsLang=en) on Aug 5, 2022 9:00:00 AM
[Read More](https://blog.q-lab.com/what-part-of-standards-are-mandatory?hsLang=en)
[](https://blog.q-lab.com/what-types-of-weathering-and-corrosion-standards-are-there-and-whats-in-them?hsLang=en)
### [What Types of Weathering and Corrosion Standards Are There, and What’s In Them?](https://blog.q-lab.com/what-types-of-weathering-and-corrosion-standards-are-there-and-whats-in-them?hsLang=en)
by [Bill Tobin](https://blog.q-lab.com/author/bill-tobin?hsLang=en) on Dec 16, 2020 4:27:29 PM
ISO and ASTM are the two major international standards bodies for weathering and corrosion testing. Although they use...
[Read More](https://blog.q-lab.com/what-types-of-weathering-and-corrosion-standards-are-there-and-whats-in-them?hsLang=en)
[](https://blog.q-lab.com/what-kind-of-accelerated-test-should-i-run?hsLang=en)
### [What Kind of Accelerated Test Should I Run?](https://blog.q-lab.com/what-kind-of-accelerated-test-should-i-run?hsLang=en)
by [Dave Duecker](https://blog.q-lab.com/author/dave-duecker?hsLang=en) 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...
[Read More](https://blog.q-lab.com/what-kind-of-accelerated-test-should-i-run?hsLang=en)
[](https://blog.q-lab.com/why-do-q-lab-testers-require-specific-calibration-radiometers?hsLang=en)
### [Why Do Q-Lab Testers Require Specific Calibration Radiometers?](https://blog.q-lab.com/why-do-q-lab-testers-require-specific-calibration-radiometers?hsLang=en)
by [Andy Francis](https://blog.q-lab.com/author/andy-francis?hsLang=en) 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 used...
[Read More](https://blog.q-lab.com/why-do-q-lab-testers-require-specific-calibration-radiometers?hsLang=en)
[](https://blog.q-lab.com/why-is-an-air-preconditioner-used-with-the-q-fog-crh-cyclic-corrosion-tester?hsLang=en)
### [Why is an air preconditioner used with the Q-FOG CRH Cyclic Corrosion Tester?](https://blog.q-lab.com/why-is-an-air-preconditioner-used-with-the-q-fog-crh-cyclic-corrosion-tester?hsLang=en)
by [Bill Tobin](https://blog.q-lab.com/author/bill-tobin?hsLang=en) 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, so...
[Read More](https://blog.q-lab.com/why-is-an-air-preconditioner-used-with-the-q-fog-crh-cyclic-corrosion-tester?hsLang=en)
[](https://blog.q-lab.com/should-i-be-concerned-with-color-change-or-with-polymer-degradation?hsLang=en)
### [Should I Be Concerned with Color Change or with Polymer Degradation?](https://blog.q-lab.com/should-i-be-concerned-with-color-change-or-with-polymer-degradation?hsLang=en)
by [Sean Fowler](https://blog.q-lab.com/author/sean-fowler?hsLang=en) 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. It’s...
[Read More](https://blog.q-lab.com/should-i-be-concerned-with-color-change-or-with-polymer-degradation?hsLang=en)
[](https://blog.q-lab.com/what-is-dew-point?hsLang=en)
### [What is Dew Point?](https://blog.q-lab.com/what-is-dew-point?hsLang=en)
by [Andy Francis](https://blog.q-lab.com/author/andy-francis?hsLang=en) 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...
[Read More](https://blog.q-lab.com/what-is-dew-point?hsLang=en)
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