Table 1.

The summary of the durability factor (Ψ) of briquettes made of various types of raw materials.

Material	Durability Factor (Ψ)	References
Twisted straw (0°)	0.81	[12]
Twisted straw (5°)	0.93	[12]
Twisted straw (10°)	0.9	[12]
Twisted straw (20°)	0.8	[12]
Fodder corn straw (15 tons, mounted forage harvester)	0.75	[13]
Fodder corn straw (20 tons, mounted forage harvester)	0.81	[13]
Fodder corn straw (15 tons, hammer mill)	0.88	[13]
Fodder corn straw (20 tons, hammer mill)	0.88	[13]