Weight: 25Kg/m
Height: 110mm
Thickness: generally 17mm (but some information may show other thickness, need to be determined according to the specific product)
Positioning method: waist positioning
Characteristics: moderate support strength, able to meet the needs of general mine roadway.
Weight: 29Kg/m
Height: 124mm
Thickness: 16mm
Positioning method: ear positioning
Characteristics: Support strength is higher than U25 type, suitable for occasions requiring stronger support.
Weight: 36Kg/m
Height: 138mm
Thickness: 17mm
Positioning method: ear positioning
Characteristics: Highest supporting strength, suitable for high stress environment such as deep complex roadway and loose coal bed roadway.
