SRS - Foundry: INDUSTRIAL 'A'™ Investment
Block mould investment powder
INDUSTRIAL 'A'™ has been designed specifically for the block mould process for casting all non-ferrous metals. Used for many years by leading foundries in UK on prestigious aerospace and defence work INDUSTRIAL 'A'™ will accurately produce flawless castings time after time.
- INDUSTRIAL 'A'™ uses 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
- INDUSTRIAL 'A'™ 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
- INDUSTRIAL "A" can be adjusted to suit individual customer requirements. Idea for thin walled intricate castings impossible to produce by the shell process
- INDUSTRIAL 'A'™ cools slowly after casting promoting a uniformity of structure and mechanically properties in the cast pieces
| Powder/water ratio | 100/28 |
| Work time @ 22°C | 6 minutes |
| Setting time | 8 minutes |
| Setting strength (90 minutes) | 0.68 N/mm2 |
| Thermal expansion @ 750°C | 0.5% |
| Setting expansion @ 2hrs | 0.72% |
| Volume yield per kg powder | 510ml |
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