What is the relationship between pp non-woven fabric, polypropylene non-woven fabric, polypropylene non-woven fabric, pet non-woven fabric, and polyester non-woven fabric?

The first is the difference in raw materials: pp refers to polypropylene, which is polypropylene; pet refers to polyester, which is polyethylene terephthalate.
From the raw materials, the melting points of the two products are different. The pet is more than 250 degrees, while the PP is only 150 degrees. If you need to use an oven or the heating temperature is above 150 degrees in the subsequent process, just Can only use pet.
From the production process, the two are also different. Relatively speaking, the pet is relatively high-end and the price is a bit more expensive.
In summary: pp non-woven fabric, polypropylene non-woven fabric, polypropylene non-woven fabric belong to the same category of products; pet non-woven fabric, polyester non-woven fabric are also the same category.

(pp non-woven fabric, polypropylene non-woven fabric, polypropylene non-woven fabric)

(pet non-woven fabric, polyester non-woven fabric)