尋求 【QUV紫外老化】 專業檢測實驗室

測試條件如下，72H.

The wreathing test refers to ASTM G 154-00ae1: Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials

● Test Machine: UV accelerated weathering tester

● Test Requirements

○ Lamp: UVA-340 nm

8 hours for each cycle, 4 hours UV exposure (UV-A, 340 nm, 0.63W/m2/nm and 60℃) and then 4 hours moisture exposure (50℃), non-stop for each cycle until test finish.

9 cycles,72 hrs.

Acceptable color changes when measured after testing:

△E(cmc)≤  2.0

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