Essilor Delta 2 Classic - Page 150

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150 Delta 2 - Edging system > v2 - 08.16
CR39, mineral: 10 litres/minute.
Polycarbonate, Trivex and MHI: 8 litres/minute.
TM
Measured noise level on edging, at a distance of 0.5 m from the machine:
Plastic lens = 71 dB
Glass lens = 71 dB
Polycarbonate lens = 71 dB
Trivex lens = 72 dB
TM
MHI lens = 71 dB