Artificial weathering test shows that 6911 has better long term anti aging performances than that of BW 10ld and 944.
人工加速试验表明，6 911型光稳定剂与BW10ld和944相比，具有更为优异的长期防老化性能。
Artificial weathering test shows that 6911 has better long term anti aging performances than that of BW 10ld and 944.
人工加速试验表明，6 911型光稳定剂与BW10ld和944相比，具有更为优异的长期防老化性能。
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