Biofibre® Lenta

Biofibre® Lenta - virgin

Biofibre® Lenta - recycle

In the field of bioplastics, Biofibre® Lenta serves the desire for specific material requirements in the area of toughness and strength. The name “Lenta” is derived from the Latin origin “lenta”, meaning “tough”, and indicates the very stable material properties of this product group.

Why and when to use Lenta?

  • Food contact tested (TÜV Rheinland)
  • Potent. compostable (industrial; all binder components: DIN EN 13432)
  • For technical applications and tough environments
  • Substitute for e.g. ABS, PC/ABS
  • Application examples: Shoe trees, stationery industry

Exemplary overview of characteristic data – adjustments/variations within the product class possible

1 Mechanical properties *1

Material propertyValueUnitTest methodComment
E-Modulus3500MPaDIN EN ISO 527-2Tensile testing (1 mm/min)
Yield Strength44MPaDIN EN ISO 527-2Tensile testing (10 mm/min)
Strain at break13%DIN EN ISO 527-2Tensile testing (10 mm/min)
Notched Impact Strength (Charpy)kJ/m2ISO 179-1/1eANo fracture

*1 mechanical testing on injection molded and standardized multipurpose test specimens (DIN EN ISO 527, Type 1A) conducted at standardized climate (23 °C, 50 % rel. humidity)

2 Thermal properties

Material propertyValueUnitTest methodComment
Melt Flow Rate (MFR)g / 10 minDIN EN ISO 1133(190 °C / 2,16 kg)
Melting range165 - 195°CDSC, 10 °C / min
Heat deflection temperature (HDT)54°CDIN EN ISO 75-2B (0,45 MPa)*2

*2 at 68 g minimum load (minimum load according to DIN EN ISO 75-2: 64 g)

3 Other features

Material propertyValueUnitTest methodComment
ColorWhite / opaquecolorable
Density1,55g / cm3Injection molded part
Bulk density550 - 650kg / m3
Water absorption capacityMax. 2%DIN EN ISO 62Related to dry sample
Primary processing methodInjection molding

Further to: