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 property	Value	Unit	Test method	Comment
E-Modulus	3500	MPa	DIN EN ISO 527-2	Tensile testing (1 mm/min)
Yield Strength	44	MPa	DIN EN ISO 527-2	Tensile testing (10 mm/min)
Strain at break	13	%	DIN EN ISO 527-2	Tensile testing (10 mm/min)
Notched Impact Strength (Charpy)	–	kJ/m2	ISO 179-1/1eA	No 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 property	Value	Unit	Test method	Comment
Melt Flow Rate (MFR)	–	g / 10 min	DIN EN ISO 1133	(190 °C / 2,16 kg)
Melting range	165 - 195	°C	–	DSC, 10 °C / min
Heat deflection temperature (HDT)	54	°C	DIN EN ISO 75-2	B (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 property	Value	Unit	Test method	Comment
Color	White / opaque		–	colorable
Density	1,55	g / cm3	–	Injection molded part
Bulk density	550 - 650	kg / m3	–	–
Water absorption capacity	Max. 2	%	DIN EN ISO 62	Related to dry sample
Primary processing method				Injection molding

Further to:

Biofibre® Customized