IMPREGNATED TEST PAPERS FOR PHENOLIC YELLOWING
ITEM 35 N
Impregnated test papers for phenolic yellowing 100x75mm for phenolic yellowing test (phenotest) on the textile materials according to BS EN ISO 105 X18: 2007 (Assessment of the potential to phenolic yellowing of materials), M&S C20B and NEXT TM43 .
Each pack contains 50 pieces .
The impregnated test papers are used with Perspirometer.