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Jesmonite® AC730 Flex Metal Gel Coat Kits

SKU: JAC730COP3

Type: Copper 3.25kg
Price:
Sale price
£115.00

Description


Jesmonite® AC730 Flex Metal Gel Coats are formulated to be used with AC730 Flex Liquids to produce metal finishes which are both decorative and durable. They are available in four finishes: Bronze, Copper, and Brass. They are used in combination with AC730 powders as a backing material, with either Flex or Standard liquids dependent upon the type of object being manufactured.

Preparation 

It is essential to use both accurate scales and a Jesmonite High Shear mixing blade to ensure that the compound performs within its specification. Failure to follow these instructions can lead to strength loss, shrinkage, and reduced durability. Workshop conditions should be warm, dry, and out of direct sunlight. Environments, where solvent-based compounds are in regular use, should be avoided. Mixing containers should be clean and dry, and of a suitable size. Flex Metal Gel Coats will work best using Silicon Rubber moulds, however, it is also possible to use Polyurethane moulding compounds with an appropriate spray release wax. Rigid GRP, Wooden, and Plaster moulds are best avoided. 

Mix Ratios

Weigh the liquids and powders into separate clean containers at the following ratio:

AC730 Liquids                                    1 part by weight
AC730 Bronze Base                           5.5 parts by weight
 
AC730 Liquids                                    1 part by weight
AC730 Brass Base                             5.5 parts by weight
 
AC730 Liquids                                    1 part by weight
AC730 Copper Base                          5.5 parts by weight
 
AC730 Liquids                                    1 part by weight

In general, the mixture can be adjusted to suit the application or the needs of the end-user. Adding a little liquid or powder to make fine adjustments is very useful – do small-batch trials first to assess the materials' suitability to a particular mould or application. The mix should be thick, but easy to apply by brush at 1mm – 2mm thickness.

This gives you a working time of about 20 minutes and a demould time of about 9 hours. After demoulding you should not attempt to polish the cast for at least 48 hours.

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