Swell friction rock bolt (swellex)
Mn12:
Minimum breaking load, expanded profile> 100 kN,
Minimum elongation, expanded profile, A5 > 20%*
Inflation pressure 30 Mpa
Original tube size: D41 mm x 2 mm
Mn16:
Minimum breaking load, expanded profile> 140 kN,
Minimum elongation, expanded profile, A5 > 20%*
Inflation pressure 24 Mpa
Original tube size: D54 mm x 2 mm
Mn24:
Minimum breaking load, expanded profile> 200 kN,
Minimum elongation, expanded profile, A5 > 20%*
Inflation pressure 30 Mpa
Original tube size: D54 mm x 3 mm

