Sell Wrapping Tape Polyken. Harijaya Insulation, a company that sells Polyken wrapping tapes of various types and sizes. Polyken wrapping tape is an anti-rust insulation that functions to wrap and protect pipes, especially natural gas pipelines and oil pipes. In the petroleum and gas industry, gas pipelines, oil pipelines, underground pipes are one type of transportation to move oil and gas mining products, so that the pipeline must have a high level of safety to avoid failure, but in its application the pipeline does not fully have high security so that leaks can occur due to corrosion.