UV transmittance of fabrics mainly depends on its UV absorption rate, UVA, UVB transmittance is least for fabric with 20%, and fabric with 50% bamboo fiber screens UVC most.

• 各面料的透过率主要取决于其对紫外线的吸收率，竹原纤维含量为20%25的面料对UVA、UVB的透过率最低，含量为50%25的面料对UVC的透过率最低。