Table 1: Physical and mechanical properties of jute fibres [¹⁰].

Feature	Value
Fibre diameter (ϕ)	20÷200 μm
Relative density (ρ)	13÷14.9 kN/m3
Yielding stress (fyk)	320÷800 MPa
Elastic modulus (E)	≈30000 MPa
Ultimate strain (εu)	1.0÷1.8%
Absorption at 65% of relative humidity (r.h.) and T=20°C	12%
Difference in desorption and absorption (r.h.65% and T=20°C)	1÷5%
Thermal conductivity (dry condition)	0.05÷0.055 W/mK