Kureha to Help Boost Shale Production Per Rig With Improved Frac Plug Mar. 7, 2019 Filed Under: Industry Tagged With: frac plugs, fracking, Kureha, polyglycolic acid, shale, shale gas, shale oil, U.S.Kureha Corp. (TYO:4023) will this month begin field testing in the U.S. for a new and improved frac plug, a…... Please subscribe to read the full story. Subscribe Free Trial Related Articles:Kureha Targets Frac Plug Sales Growth With Launch of…Kureha Makes Moves to Deal With Changing Business…Kureha to Set Direction for PGA Business Before Next…Sumitomo Bakelite Looks to Bolster High-Performance Plastics…Kureha Lines up Candidate Sites in China for Increase in…NGK Spark Plug Looks to Get Eco-Friendly Methanation Scheme…