1、 Polyester backpack webbing Soft feel, PP ribbon Hard handle;
2. Polyester Selvedge webbing The color is bright, PP ribbon color Dark;
3. Difference of combustion odor; Ignite the selvedge ribbon and blow it out to smell the smoke.
a. The flame is yellow, giving off a fragrant smell, and the burnt ash is a dark brown hard lump, which can be twisted with fingers;
b. PP material is more environmentally friendly than polyester webbing, so the flame extinguishing smoke is not pungent and has a good weak sweet taste;
4. The light fastness of polyester ribbon is better than that of PP ribbon, and the light fastness is better than that of natural fiber ribbon;
6. Polyester webbing has high strength and elastic resilience, while PP webbing is inelastic;
7. Difference between polyester ribbon and PP ribbon: generally, polyester ribbon is woven before dyeing, so the color of yarn after cutting will turn white due to uneven dyeing, while PP ribbon is dyed before weaving, so the yarn will not turn white.
