... seal, light,fast. 3.stopping water Mine Filling Packer(Liquid packer) for Rock Reinforcement,Injection SystemsDescription:Grouting for the coal ... MPa pressure blastingM20X1 thread: link. 5Suitable for: chemical grout, cement or other media. All products can customized and OEM.Shandong ... Hock Mining Engineering Co.,Ltd Filling Packer for Sluid and Grounting,Resin,Rock Reinforcement