ROHS-Calibration Standard SET for PE (Polyethylene), RM, for specifications see single samples (ASI-PLPE9-5E(D)1/31mm, ASI-PLPE9-5E(D)2/31mm, ASI-PLPE9-5E(D)3/31mm, ASI-PLPE9-5E(D)4/31mm, ASI-PLPE9-5E(D)5/31mm, ASI-PLPE9-5E(D)6/31mm, ASI-PLPE9-5E(D)7/31mm, ASI-PLPE9-5E(D)8/31mm, ASI-PLPE9-5E(D)9/31mm,), Set of 9 discs, each 31 mm x 10 mm disc