Fine Pitch Stencilling Grade Two types of long open time SMT paste for stencilling or dispensing (with syringe). They print below 0.5mm (20 thou) pitch and meet IPC-SF-818 and Bellcore TR-NWT-0000 78 without cleaning. Approx melting point 179°C. Particle size 38-53μm. RM89 (25g/75g Syringe) For automatic or manual stencil printing 62/36/2% Tin/lead/silver as 90% of total mass content Note Store in a cool place e.g. Refrigerator. Solder Paste - Leaded