Home > knowledge > Content

Recycled polyester staple fiber

Jun 27, 2018

Recycled polyester staple fiber refers to the use of polyester fabric, waste polyester bottle flakes, spinning waste, bubble material, raw material, pulp lump do waste bottle after crushing, washing, a mixture of all kinds of materials after drying, melting extrusion, spinning, winding, cluster, drafting, crimp (at the same time according to the customer's demand in curly when adding different agent), relaxation heat styling, cut off after the formation of the different length of polyester staple fiber.

Recycled polyester staple fiber

The length is generally 32 to 102mm

Recycled polyester staple fiber

Recycled polyester staple fiber

, which has many specifications of 1.5-20d, belongs to the full utilization of renewable resources, which has a large market due to its low cost and good performance.

Recycled polyester staple fiber has a lot of different species, such as ordinary fiber, hollow fiber, triangle, flame retardant fiber, such as filling material industry now commonly used in furniture, toys, bedding, clothing industry, needle-punched cotton industry, stitch-bonded fabric industry.

The main test items of drying have moisture content, too high spinning bad, easy hydrolysis.

The semi-finished product is mainly used to detect the viscosity of oilless wire.

Product main test items include denier (dtex), denier irregularity, length (mm), length irregularity, breaking strength (cN/dtex), strength irregularity, elongation irregularity, resistivity (Ω sink cm), times as long as fiber content (mg / 100 g), oil content, dry heat shrinkage rate of up to 180 degrees Celsius, curl, curl, curl elastic ratio, crimp recovery, volume, etc.