Available test methods

Trans-vinylene Index

ASTM F2381

The measurement of the number of trans-vinylene groups in Ultra High Molecular Weight Polyethylene (UHMWPE) intended for use in medical implants.

The material is analysed by infrared spectroscopy, the test method is based on guide ASTM F2381 using the intensity (area) of the C-H absorption centred at 1370 cm-1 to normalize for the samples thickness.

EQUIPMENT
FTIR NICOLET iN10
(OMNIC Picta software)

NOMINAL SAMPLE SIZE:
Film 200μm (+/- 25microns)