For applications where a liquid flux is inconvenient to use these paste formulations are available. FLUX PASTE-S-18A (ROSIN ACTIVATED) It is a blend of water white rosin, surfactants and activators especially formulated for assembling printed circuits. It can be applied to the areas to be soldered by any convenient method. FLUX PASTE S7-MA (ROSIN MILDLY ACTIVATED) It is a liquid solution with approximately 8% solids containing water white rosin blended solvent system with which effective activators are so incorporated that the chlorides are maximum 0.055%. FLUX PASTE NC 04 (NO CLEAN) It is a non-rosin halogen-free paste with surfactant and activator especially formulated for assembling printed circuits. It is less active than Flux Pastes S-18A and S-18MA.