rubber tree

Appearance	Yellowish or amber-colored, sticky solid
Density	0.92 - 0.94 g/cm³
Hardness	Soft, typically 20-30 Shore A
Tensile Strength	15 - 30 MPa
Elongation at Break	700 - 1000%
Moisture Content	Less than 1%
Specific Gravity	Approximately 0.93
Viscosity	Highly viscous
Odor	Characteristic, slightly pungent
Melting Point	Does not have a sharp melting point; softens around 130°C
Thermal Conductivity	Low, around 0.13 W/m·K
Electrical Conductivity	Insulating, non-conductive
Solubility	Insoluble in water, soluble in organic solvents like benzene, toluene