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heavy duty flannel. It is commonly seen in plaid patterns and earthy tones, giving off a rugged and masculine vibe. This makes it a popular choice for work shirts, jackets, and even bedding. The timeless appeal of heavy duty flannel has made it a staple in many wardrobes, regardless of fashion trends.
The history of cotton goes way back and can be traced to domestication, where it has been used as a fiber at least since 3000 B.C. by Indians and Americans. However, no one accurately knows where cotton primarily originated from.
6. Color fastness to hot pressing
For the rating of color fastness to hot pressing, immediately after the test, the color change of the sample should be rated using the color change gray card, and then the sample should be placed in a standard atmosphere for 4 hours to adjust the humidity, and then the color change of the sample and the staining of the cotton adjacent fabric should be evaluated. When evaluating the staining, the side of the cotton adjacent fabric with heavier staining should be evaluated.
