G8 FIBROFLEX® - TECHNICAL DATA Physical properties: FIBROFLEX® type DIN 5 6 7 Shore-A hardness [Shore A] 53505 80 90 95 Density [g/cm³] 53479 1,07 1,11 1,13 Working temperature, max. [°C] -40 up to +70 -40 up to +70 -40 up to +70 Rebound elasticity [%] 53512 63 45 38 Voltage At 100% elongation At 300% elongation [MPa] [MPa] 53504 53504 4,1 8 6,8 15,2 11,8 30 Tensile strength [N/mm²] 53504 36 38 49 Elongation at fracture [%] 53504 450 400 360 Tear strength [N/mm] 53515 21 29 50 Abrasion resistance [mm³] 53516 70 50 41 Pressure forming test 70h/24°C [%] 53517 21 26 30 Resistance to Sea Water (saline) approximately 6 months Guide lines for the machining of FIBROFLEX®: FIBROFLEX® Forming elastomers can be machined on ordinary machine tools and with conventional cutters. A keen cutting edge is mandatory. FIBROFLEX® type 5 6 7 Colour green yellow red Shore-A hardness 80 90 95 Sawing: Circular saw, carbide-tipped, coarse toothed Rake angle 25°–30° Clearance angle 12°–15° vc = approx. 1600 m/min. Drilling vc = approx. 30 m/min. Rotation: Rake angle 25° Clearance angle 12°– 15° vc = approx. 140 m/min. Milling: Rake angle 25° Clearance angle 12°– 15° vc = approx. 100 m/min. vc = cutting speed Please note that we can supply form parts, required in larger quantities, in the ready-cast condition. Enquiries are invited. Note: Upon delivery, machined special and standard parts may have visible oil residues.
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