SP-601. Black coloured, compression moulded, natural hard rubber material. Shore hardness 78. Tested in-radius size 1.89mm. For use with water up to 23°C.
Note: When processing an application for a Fittings Approval incorporating this product, the in-radius tolerance rule cannot be applied, i.e. the rubber material with a tested in-radius size of 1.89mm is the only product covered by the scope of this approval.