AMTECH Solder Pastes NC-559-ASM No-Clean paste Data Sheet (PDF) Sn63/Pb37 The NC-559-ASM contains a U.V. tracer for easier flux splatter inspection. It is completely odorless. This product is designed for manual or semi-automatic stencil printing, where the operator is exposed to the smell of the product. Refrigeration required. 250g jar, $45.00, 35g syringe(mesh size ±400) , $25.50, NC-560 (NEW ITEM) LEAD-FREE SOLDER PASTE 250g jar, $55.00 35g syringe (mesh size: -400/+500) $37 More to be added