Flax waste, loose, pre-compressed · T. versicolor (PFWL)
✓ Reviewed content
Trametes versicolor (M9912-5LSR-2 O447A) · Vrije Universiteit Brussel (BE)
Recipe
How this sample was made, step by step · total growth 11 days-
1
Substrate
- 100 wt%
- Flax waste, loose (5–25 mm; Jopack bvba, Rumbeke (BE))
-
2
Sterilisation
- Method
- Autoclaving
- Details
- 121 °C, 20 min (fibres only)
-
3
Inoculation
- Fungus
- Trametes versicolor · M9912-5LSR-2 O447A
- Inoculum
- Grain spawn
- Rate
- 50 wt%
- Water content
- 70 %
-
4
Growth in mould
8 days- Mould
- two-part PVC tube mould covered with perforated cellophane; grown in a filter micro box
- Temperature
- 28 °C
-
5
Post-growth
3 days- Where
- demoulded
-
6
Inactivation
- Method
- Oven drying
- Temperature
- 70 °C
-
7
Specimen & testing
- Geometry
- mould M5: Ø 75 × 60 mm
- Dry density
- 159.5 kg/m³
- Mass loss
- 75.8 %
- Shrinkage
- 18 %
- Measurements
- 2
Steps marked “not reported” were not stated in the source. Suggest missing details
Loose flax waste, pre-compressed.
Measurements
Mechanical
| Property | Value | n | Test standard | Conditions | |
|---|---|---|---|---|---|
| Compressive modulus | 1.14 MPa | 3 | ASTM D3501 (tangent modulus) | 25 °C / approx. 50 % RH 5 mm/min, test up to 70–80 % strain; mean value from text, scatter only in Fig. 4 |
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Physical properties
Production
Substrate mix
Fungus & inoculation
- Fungus
- Trametes versicolor (M9912-5LSR-2 O447A)
- Inoculum type
- Grain spawn
- Inoculation rate [wt%]
- 50
- Water content at inoculation [%]
- 70
- Sterilisation
- Autoclaving
- Sterilisation – details
- 121 °C, 20 min (fibres only)
Growth
- Growth in mould [days]
- 8
- Post-growth after demoulding [days]
- 3
- Temperature [°C]
- 28
- Mould / mould material
- two-part PVC tube mould covered with perforated cellophane; grown in a filter micro box
Post-processing
- Inactivation
- Oven drying
- Inactivation – temperature [°C]
- 70
Specimen
- Specimen geometry
- mould M5: Ø 75 × 60 mm
- Dry density [kg/m³]
- 159.5
- Mass loss on drying [%]
- 75.8
- Shrinkage [%]
- 18
Notes
Recipe: 20 wt% fibres, 70 wt% sterile demineralised water, 10 wt% grain spawn; inoculation rate calculated from this (10/20). Filled into the mould in layers and compacted with a spoon. Demoulded after 8 days and grown for at least 8 more days without mould. Dried for 5–10 h until constant mass. Mass loss = initial moisture content per ISO 16979 (Table 2). Pre-compressed during the second growth phase (cf. PHL).
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