Heat Set - Polypropylene
“Heat-Set Polypropylene” (HSPP) is a soft, durable, colourfast, non-shedding, moth proof and easy to maintain product and is a highly desirable yarn for producing machine-made rugs.
Polyester
Polyester yarn is a bi-product of oil refinement and has similar characteristics to Heat-Set Polypropylene yarn. Polyester yarn can be spun thinner (finer) and has shiny (silk look) properties.