LL-9033 Outdoor Weathering Must Verify Accelerated Testing

Outdoor exposure racks and accelerated chambers are the two main methods for testing materials for weathering durability. In the fast paced current world, time constraints have determined that outdoor weathering exposures take too long to provide the necessary results. The emphasis has therefore been placed on accelerated laboratory testing to provide data on the long-term outdoor durability of many products. In many cases now, outdoor exposure is not even performed or required.

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