Document Library

Q. How many hours in a Q-Sun Xenon Test Chamber or a QUV Weathering Tester equals a year of outdoor exposure?This is a simple question, but unfortunately there is no simple answer. It is theoretically impossible to have a single magic number that you...

Sunlight, Weathering & Light Stability TestingSunlight is a major cause of damage to a number of materials, including plastics, textiles, coatings, and other organic materials. The type of damage, such as loss of physical properties, chalking, cr...

Weathering is an important cause of damage to plastics, textiles, coatings, and other organic materials. Accelerated weathering testers are used to simulate this damage for research and development, quality control, certification, and correlation to ...

Q-SunXenon Test Chamber9.3 Mounting Test Specimens (July 2009) Caution: Do not cover or shadow the black panel. Covering the black panel with specimens or shadow lowers its temperature and can cause the heater to stay on too long, overheating th...

STEEL: The Problem of a Standardized Test Surface If coatings tests are to be reliable and reproducible, they must be performed on a substrate which is reasonably consistent from test to test. Unfortunately, ordinary commercial sheet steel displ...

Q-PANEL Standard Substrate Applications Guide Q-PANEL Application Guide - NotesColor Measurement, Haze Measurement: All types work well for most color and haze measurements.Gloss Measurement: The texture of matte and ground surface panels may “t...

The QUV®/cw photostability tester provides a standard cool white fluorescent test chamber that meets ANSI, ASTM and ISO test methods for indoor photostability testing.Many products intended for home, office, and commercial environments have never bee...

This paper is intended as a general introduction to cyclic corrosion testing (CCT). It outlines the rationale for cyclic testing, includes some guidelines for using cyclic tests and explains some common CCT cycles and their applications. This discuss...