PRODUCT DETAILS

Coating (dry process) is a technical leather system where manufacturing is made with transfer paper method. This phase is the polyurethane system that comprimises the bonding of the products coming from the upper surface, mid surface and coagulation phases of technical leather.

Coating – Upper Surface:

Part constituting the top surface of the technical leather. Aliphatic polyurethane resins that show excellent resistance against sunlight are used in this phase.

  • Look: Clear
  • Viscosity: 15.000-30.000 cP (25 °C)
  • Solid matter: 24-26 %
  • %100 modulus: 30-240 kgf/cm2
  • %200 modulus: 40-400 kgf/cm2
  • %300 modulus: 50-500 kgf/cm2
  • Strength at break: 300-600 kgf/cm2
  • Stretch at break: 200-400 mm

Coating – Mid Surface:

Polyurethane resins used in this phase in mid part of technical leather, are mainly at mid hardness. Because polyurethane resins provide flexibility resistance to technical leather in this phase their stretch values are above 600 mm. Aromatic polyurethane resins are generally preferred.

  • Look: Clear
  • Viscosity: 40.000-65.000 cP (25 °C)
  • Solid matter: 29-31 %
  • %100 modulus: 25-35 kgf/cm2
  • %200 modulus: 30-50 kgf/cm2
  • %300 modulus: 100-200 kgf/cm2
  • Strength at break: 300-500 kgf/cm2
  • Stretch at break: > 600 mm

Coating – Bonding:

Polyurethanes with very strong adhesive features and used in bonding (lamination) phase to bond products coming from coagulation or fabric and products coming from coating phase.

  • Look: Clear
  • Viscosity: 40.000-60.000 cP (25 °C)
  • Solid matter: 39-41 %
  • %100 modulus: 6-18 kgf/cm2
  • %200 modulus: 17-23 kgf/cm2
  • %300 modulus: 20-30 kgf/cm2
  • Strength at break: – kgf/cm2
  • Stretch at break: > 600 mm
Kaplama Kuru Proses Görseli

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