1kg of block mould investment powder for lost wax casting etc.

For use with precious metals such as gold, silver and platinum - for a more complete list of uses, see foot of listing.

This is a high quality investment not to be confused with inferior products.

Perfect for any size batch or any size of cast.

This investment has been designed specifically for the block mould process for casting all non-ferrous metals including precious metals especially gold, silver and platinum.

It will accurately produce flawless castings time after time in big or small castings.

Using only closely graded high purity raw materials to give utmost consistency in addition to high green and fired strengths.

Quality controls on setting time, flow and thermal expansion ensures trouble free casting from batch to batch.

This investment mixes easily to give a creamy consistency and breaks away easily from the cast pieces.

Excellent surface finish with NO mould breakdown or surface defects reducing dressing time/costs after casting.

Ideal for thin walled intricate castings impossible to produce by the shell process.

This investment cools slowly after casting promoting a uniformity of structure and mechanical properties in the cast pieces

Water / powder ratio: 28 / 100

Work time @ 22c: 6 minutes

Setting time: 8 minutes

Setting strength (90 minutes): 0.68 N/mm2

Thermal expansion @ 750c: 0.5%

Setting expansion @ 2 hours: 0.72%

Volume yield per kg of powder: 510ml

If you are to be using this investment for moulding from a solid positive that is not removed from the investment by heat then the mould must be made in parts ensuring that any undercuts are properly catered for.

Can be used with all non-ferrous and precious metals including: gold, silver, platinum, aluminium, copper, lead, nickel, tin, titanium, zinc, brass, cobalt, mercury, tungsten, beryllium, bismuth, cerium, cadmium, niobium, indium, gallium, germanium, lithium, selenium, tantalum, tellurium, vanadium, and zirconium

Due to mixing and preparation times each batch will be ready for dispatch 2 days after cleared funds and will be sent by Royal Mail (for 1kg sales) or a 1-3 day courier service for heavier orders. If you need a faster delivery service, please select the options in the checkout process.

The shelf-life of the mixed powder is >12 months if stored in a cool, dry environment.

If you have any further questions, please don't hesitate to contact me.

Casting flasks available on request.

For more jewellery casting products - please check out my other items!

Compare with www.CastingClaySales.co.uk or contact silversmithfrost@yahoo.co.uk

And the small print applicable to all sales: Any quoted sizes are approximate. Due to the nature of use of these items, no responsibility can be accepted for their use / misuse. Any suitability of the item is my opinion. Please ensure you have investigated and are satisfied with their suitability for your purpose before buying. Many thanks.

Postage costs - With eBay and PayPal now charging on P&P costs please understand my frustration with their charges and that I have to no alternative but to bend to their will:

1kg costs me £4.50 to send

2kg and over costs me £9.00 to send

If you buy over 2kg (and under 25kg), everything in excess of £9.00 that you have paid toward postage will be refunded.

INTERNATIONAL ORDERS: I will use the least expensive carrier's quote that I can find. Excess P&P costs will be refunded (less eBay / PayPal fees). Import duties, customs charges and any other considerations regarding import are the responsibility of the buyer. I cannot be held liable for any items that are held or destroyed at the border. Please check any BioSecurity policies your country may have.