Manufacturing process

  • Polypropylene or polyethylene pigment granules, so-called polymers, are heated until it becomes a paste, to which a UV and heat stabilizer [anti-shrinkage] are added;
  • The fluid mass is extruded
    1. through a plate with fine holes, resulting in so-called "monofilaments"'
    2. or into a very thin film that is cut into narrow strips and provided with indentations so that a honeycomb structure is created, the "fibrillated threads"                    
  • The artificial fiber can possibly be curled or frizzled;
  • On a UV-stabilized polypropylene woven cloth, small bundles of artificial fibers are tufted in loops in lines or zigzag and then latexed on the back side, the loops are cut through and the tuft cloth is perforated;
  • The density of the seams [for example, 3/8”], together with the number of tufts per running meter [for example, 200] determines the quantity of knots [consequently, 21,000] and the weight [normally between 2 and 4 kg] per m2;
  • During the drying at 90ºC the latex coating hardens;
  • There are variations in pole length [from a few millimeters to 6-7 cm] and in color [several shades of green, red brown gravel imitation for tennis courts or even white, yellow and blue for among others, lines];
  • Rolls can be up to 4 m wide and 70 m long.

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