Any kind of chemical product manufacturers are differences give birth, its quality must also not the same, then how to distinguish quality polypropylene fibers and cons? Here several aspects give everyone to learn to distinguish between the quality of polypropylene fiber, first from the performance point of view, by the excellent quality fiber composite fiber grade polypropylene material with native made public aid; and often of poor quality fiber by powder or recycled materials and auxiliaries from ordinary textile composite. From the cost point of view, then, recycled materials and virgin polypropylene polypropylene material comparison, the cost is lower. Finally teach you the recipe polypropylene fiber quality identification essentials:
1. Comparison of visual method:
Fine fibers, non-clean, well-proportioned thickness, glorious light Ying black out. And little silk, silk syrup, thick silk, silk, oil silk, silk knot groups and impurities or no person is good; the opposite inferior person.
2. Comparative Law bath:
Take 500ml of water into two cups in the scene to identify the specifications of communication fiber 0.4g, stirring for 10 seconds after the inspection, gathered excellent symmetry, suspended in water; inferior who can not gather or to groups like symmetry, suspended in water clusters or underwater.
3. breath discrimination law:
Fine fiber: environmental protection, tasteless without stimulation; inferior fibers: purify, Sauvignon strong irritant.
4. In addition to the water law:
Some low-grade polypropylene fibers containing water (manpower is very easy to feel alone), after drying or dried essentials can measure its water content, although the low cost of the fiber, but What, then cover with water being sold. Assuming a water content of 5%, then 1 kg of 95% long fibers containing moisture on the fibers reality, and the fiber cost will be 1.05 times the original price. 5. sunshine law: poor quality polypropylene fibers, because of the low.