70% of EN 857 1SC/2SC and 50% of EN 853 1SN/2SN bend radius at rated working pressure. Superior flex impulse performance: tested to 600 000 impulse cycles. Exceeds working pressure requirements of R17. Meets or exceeds EN 857 1SC/2SC performance requirements. Lightweight. M3K hose is compatible with biodegradable hydraulic fluids like synthetic esters polyglycols and vegetable oils as well as petroleum-based fluids. OPTIONAL M3K-MTF: the complete range of M3K is also available with the Gates special MegaTuff cover which offers 300 times the abrasion resistance of the standard M3K cover as per ISO 6945 superior ozone and weathering resistance.