Product description
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- Casting powder for high quality jewellery investment casting/ Lost wax casting
- Packed in one sack or drum (50 Lbs / 22.5 Kg)
- Suitable for any metal casting, especially for gold, silver, karat golds and copper casting.
- Provide fine surface finish of castings and one of the finest quality investment powder available.
- Increased refractoriness gives better thermal shock resistance during burnout and casting.
- More user friendly able to perform in a wider set of parameters.
- Smooth creamy consistency during mixing and pouring.
- Easy to break out after casting.
Mixing & Heating Process:
1. Pour in water first and powder later.
2. Mix with the ratio 38 parts water to 100 parts powder.
3. Temperature of water should be around 22°C and stir mix around 4 minutes.
4. Inject mixed investment powder into casting flasks and vacuum for around 2 minutes.
5. Take out the flask and left it for around 1-2 minutes before putting into furnace.
6. Put the casting flask with investment powder mixture into the furnace.
7. Turn on the temperature to start heating up to 270°C for first hour and keep this temperature for next 3 hours.
8. Increase the temperature gradually from 270°C to 730°C in following 2.5 hours.
9. Keep the temperature at 730°C for another 3 hours.
10. Start to cast when temperature decreases to around 630°C.