Everflux Soldering Paste - 80ml Everflux Soldering Paste 80ml. Soluble in hot and cold water. Non Stick formulation allows easy joint adjustment after fluxing. Ideal for use with Leaded and Unleaded Solder with its high melting threshold. Fast acting - cleans as it solders. Low odour formulation helps provide an improved working environment. Standards met: BS6891, MARC Solubility, DIN 851, ASTM B813/93. Manufactured in the UK to ISO 9001.