Interplast was established in the year 1981 to manufacture PVC Compounds and over the last few decades has diversified into various PVC based products and applications. The major brand names include HARWAL PVC Compounds, DECODUCT Electrical Cable Management Systems, EDISON Electrical Accessories, INTERGARD Cable Protection Systems, Packaging products under DECOPACK and DECOFORM, PVC Storage Sheds, Window Profiles and Fencing Systems under DURAMAX and Aluminum Composite Panels under the brand name ALUPEX .