Focke, Walter Wilhelm2013-09-072008-07-312013-09-072002-04-012008-07-312008-07-31a 2001 H 05THhttp://hdl.handle.net/2263/26892Dissertation (MEng)--University of Pretoria, 2008.Please read the abstract in the section, 00front, of this document© University of Pretoria 2001 H 05Polymers deteriorationUltraviolet radiationPolyethylenePolypropyleneUCTDEffect of various additives on the UV stability of polyethylene and polypropylene filmsDissertationhttp://upetd.up.ac.za/thesis/available/etd-07312008-101440/