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System of solid state polymerization:
The technology of advanced continuous solid state polymerization is adopted to increase the viscosity of the PET chips, meanwhile to narrow the scope of the molecular distribution.
Solid state polymerization (SSP) chip index
The intrinsic viscosity: 1.0～1.2
Carboxyl content: ≤ 28mol/t
Dust content (by screening method): ≤ 100ppm
Water content: < 30ppm
Yarn spinning part
Polyester industrial yarn with high strength or low shrinkage It is mainly used for the geotextile fabric, coated fabrics, conveyor belts, safety belts, hoses, rubber pipes, slings, fabrics with core overall, ropes used to tie tight.
Ends/ pos.: 4-12
Fiber titer: 100-3000d