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Paper towels are not as white as well. Some production companies in order to increase the degree of paper white, excessive added fluorescent brightener to remove stubborn stains, let the paper towels from baijie new feeling on the outer packaging.
But the contrary, States expressly set forth on the whiteness of the paper towels, tissue products such as standard a brightness set to 85.0%~90.0%. If the whiteness of the paper for more than 90%, is incompatible with the standard requirements.
Using substandard towel paper, the light will be itching, severe cases can lead to skin diseases and even cancer. Consumers are best advised not to buy too white, or the pan-blue and pan-blue paper. Normal tissue color should be white, natural white. Consumers can test on tissue paper for counterfeit, where the pan-blue-purple photo paper, usually adding an excessive amount of fluorescence.
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