Biofibre® Solva

Biofibre® Solva - virgin

Biofibre® Solva - recycle

Biofibre® Solva is a material blend of a wide variety of biopolyesters. The name “Solva” is derived from the Latin origin “solvere”, meaning “to dissolve”, and indicates the possibility of soil degradability of this product type.

Why and when to use Solva

  • Ability to degrade in soil
  • For flexible products
  • Substitute for e.g. LDPE, EVA.
  • Example applications: Tree protection

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

1 Mechanical properties *1

Material propertyValueUnitTest methodComment
E-Modulus280MPaDIN EN ISO 527-2Tensile testing (1 mm/min)
Yield Strength21MPaDIN EN ISO 527-2Tensile testing (10 mm/min)
Strain at break290%DIN EN ISO 527-2Tensile testing (10 mm/min)
Notched Impact Strength (Charpy)10kJ/m2ISO 179-1/1eAfracture

*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)28g / 10 minDIN EN ISO 1133(190 °C / 2,16 kg)
Melting range80-100°CDSC, 10 °C / min
Heat deflection temperature (HDT)61°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
ColorTranslucent / whitecolorable
Density1,26g / cm3Injection molded part
Bulk density550 - 650kg / m3
Water absorption capacityMax. 2%DIN EN ISO 62Related to dry sample
Primary processing methodInjection molding

Further to: