Wax Cotton Cord
It has easy bending and non-deforming properties. A Cotton thread inside the rope is given to maintain continuity.Cores embedded with wax rope, after baking or curing, the wax rope melts leaving behind a clean passage, for gases evolved to escape, which are generated during metal pouring.Twist two ropes length-wise, while making the cores, place them in the area to be vented, extend it to the cores print. Care should be taken to extend all wax ropes to the core print. To get best result, make circular mark in core print area of the core that all wax terminated at that point, corresponding similar mark should be made on the pattern so that pepper holes are made in mould to allow wax to melt out during oven drying. Ropes can be joined easily by pressing and twisting.
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Paraffin wax is a white or colourless soft solid derivable from petroleum. Paraffin wax is mainly used in candle making. Paraffin waxes and wax blends can be applied to fabric to add desired characteristics such as 'drape', wrinkle or moisture resistance. Petroleum waxes are utilized in textile treatment to provide lubrication, resisting penetration of water or other liquids, and impacting the feel, look, or performance of the finished product. Paraffin waxes serve as a pigment binder. They assist in the transfer of the pigment from the crayon to the desired substrate. Paraffin waxes are utilized in numerous electrical applications as a result of their insulating capabilities. Petroleum based waxes enhance the gloss and buff characteristics of a polish or paste.
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