Product Description  Presspaper / Pressboard for electrical purposes is made from 100% superior sulfate insulating wood pulp. Features and Applications: ---High chemical purity excellent elongation, good Mechanical and dielectric Strength.  ---For oil-immersed transformers, capacitors, reactors and switches. Packaging & Shipping   Company Information   we are one professional manufacturer of Electric Insulating materials from China, and have more than 29 years experience in this industry. The products are used in transformer and motor etc. The company has gradually developed into specialized enterprises which produce Class B, F and H insulation material.   The main products lie in Insulation varnish, Insulation papers, Flexible laminates, Woven tape, Fiberglass sleeving and so on. Our insulation system has been approved by UL (No:E310670) and the products have passed RoHS test.