next step:
one foot is placed plasticine, I use it for any reason is not far aderida to silicone, can be placed seamlessly couple pieces of plastic to fill channels and airy, you can model, I put the piece to clone
say they serve all equally silicones but I am reluctant to have to suffer a deterioration of the mold by the action of the resin before its 75 copies before losing detail, so I always buy a silicone in the same place for attention to customer, amount of stock, price and proximity (I save the shipping by mail).
is this
in the next picture the catalyst, this catalyst dual function is drying accelerator afternoon between 2 and 3 hours to dry completely and remove the happy air bubbles that can damage the mold.
mixed in proportion, giving a little ground over the catalyst (this is indicated by 5% and usually put between 7 and 10%) is removed and is once again homogeneous silicon piece brings to the clone, before the silicone pouring above give some water to prevent sticking to the piece of silicone,
allowed to dry within 2 to 3 hours I'd rather not touch it until 5 or 6 hours, that if the first half hour and every 15 minutes I put it in the shaker table for 5 minutes regrouped part of the silicon (the vibrating table is a computer fan connected to a computer power supply that drives the piston of an old compressor membrane that makes it vibrate), so it sits better piece silicone and removed the air that may remain between the workpiece and the silicone, the result is
next step is to adjust the mold to keep it without ocupemucho site, cut the sides to leave the minimum clearance of 2 cm per side, not to weaken the silicone too and we can break into a demolded, now preparing for the resin and the cloning of the pieces, I hope to do today