TPR Systems RI/21 is a quick-hardening, 2-component methacrylic-based adhesive. It was developed specifically for bonding steel to concrete substrates.


The bond component is mixed thoroughly with 5 % pbw. of hardening powder and applied on the substrate to be bonded to a thickness of 1 – 2 mm. The metal side to be bonded should be roughed and free of grease and dust

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