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Transparent Yellow colour casting resin kits Choose from 250gm - 500gm - 1kg, 5kg, 10kgPlus Catalyst / Hardener10ml SyringeStandard curing agent for Polyester colour casting Resins use between 2-3%.Please handle very carefullyThis resin is used to make paperweights, preserve medical and biological specimens, and is widely and successfully used in the making of costume jewellery. Transparent Colour Casting Resin can also be used by modellers to make ponds and streams or various water effects in landscapes.Basic guidelines:Add the required amount of catalyst to the measured amount of resin and pour into the mould to form the base layer, when this reaches to a firm consistency you can place the specimen on it and pour a small amount of resin around it, bearing in mind a very light specimen will want to float so you will need to glue it down with a very small amount of resin.In very small castings it is quite common to cast in one hit with very good results. Please do not forget that large castings will generate an exothermic reaction (heat build up), which may crack and discolour.When you have finished casting the final layer wait until it has gelled (starting to set), then cover with a layer of cellophane to exclude the air, otherwise it may set with a tacky surface.When the casting is hardened, best to leave overnight, you can then remove it from the mould and polished if necessary.You can design many different effects with our transparent Colour Casting Resins:If you are casting in stages the base layer can be set in different colour, and the subsequent layers clear or a variety of colours. Experimentation is the key to success,Preparation before Casting:Flowers, leaves ect:These specimens must be thoroughly dried first. This can be achieved by placing in a container and filling with either silica gel crystals or dry fine silver sand, then leaving to dry for several days in a warm area. After the drying out they should be sealed with polyurethane varnish or hair lacquer, bearing in mind each different plant may take longer to dry than others, the water content taken from a flower may cause it to fade also. It is sometimes a good idea to dip the specimen in uncatalysed resin and leave overnight to drain off.Insects:You must remove all the natural oils present by dipping into a grease solvent such as Acetone (please be aware the Acetone is highly flammable).Leave the specimen to dry completely and dip in uncatalysed resin, then leave overnight to drain.Paper items:Seal with a thin coat of polyurethane varnish or hair lacquer.Medals, Coins, Stones and Shells:Wash thoroughly to remove dirt and grease then also dip in uncatalysed resin, then leave overnight to drain.