... glue gun and glue machine 3 it is convernient use 50ml High Seal Ability cartridge for epoxy adhesive /ab glue cartridge ... cartridge Material: PA or PP50ml adhesive cartridge, Two-component CartridgesSize: 50ml (1:1, 2:1), 200ml (1:1), 235ml (10:1 ... ), 400ml (2:1)Material: PA or PPFeatures: good seal ability 50ml(2:1) dual cartridge/epoxy cartridge/two componet cartridge