... wells’ length of service.Product:1. According to antioxidant fragmentation respectively 52MPa (7500psi), 69MPa ( ... to specifications are respectively: 12-20 mesh, 16-20 mesh, 16-30 mesh, 20-40 mesh, 30-50 mesh, 40-60 mesh, 40-70 mesh, 70-100 mesh, etc.To ... meet the demands of domestic and oversea oil Wells, customers can choose different specifications of products according to ...