Thermal Degradation of Plastics (.pdf)
affects the operation of the stabilizer. Accelerated testing at. high temperatures can then give misleading results if the stabilizer itself is not operating correctly. or is operating in a different way to the way it would operate at normal service temperatures....
Artificial Grass Yarns - Improving Sports Performance
the service. Abrasion. lifetime required for artificial grass surfaces. The current standard for. Post fibrillation. UV stability requirements is set so that yarns may not exceed 50% reduc-. tion in tensile strength after 6000 hours testing in a xenon-arc weathering. instrument. Tests were...
Designing Portable Medical Devices
of the user interface at cold start or after exposure to long durations at high temperature which is essential at any time during critical care. Highly Accelerated Life Testing (HALT) should not only include temperature cycling between -40 C to +85 C but also vibration testing. In order to identify...