Part B Surface Sealer Kit. For Low Pressure Epoxy Injection. Requires 2-Component Gun, Not Included. Epoxy Is A 100% Solids 1:1 Mix Ratio 2-Part Epoxy Paste. Its Used Primarily For Attachment Of Epoxy Injection Ports And Sealing Cracks Prior To Injection With Resins, Not Included). This Fast Setting Paste Enables The User To Inject Within 30 Minutes.Benefits:No ShrinkageExcellent Adhesion To Concrete, Wood And MetalsSmooth Consistency, Easy To Feather EdgeNon Sag