| Model: | WR-25 |
|---|---|
| Brand: | WR |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Metallic Powder |
| Label: | mullite sand , mold sand of mullite , mullite castingsand |
| Price: |
US $290
/ ton
|
| Min. Order: | 1 ton |
| Last Online:11 Mar, 2024 |
Mullite sand: 16-30,30-60,30-80,60-80 mesh, 2. Mullite flour: -200,-250, -325 mesh, 3. Mainly used for precision casting
Mullite sand,Mullite flour, Precision casting mullite sand
Features and advantages:
1. High refractoriness
2. Aluminum content high, the iron content low3. High volume density
4. Thermal expansion coefficients of small
5. Physicochemical stability.
6. Fully calcined
7. Dust content low
8. The specification standards
Size:
|
Item/ Grade |
Index |
|||
|
WR-45 |
WR-44 |
WR-43 |
WR-42 |
|
|
AL2O3% |
45-47 |
44-46 |
43-45 |
42-45 |
|
Fe2O3% |
0.8-1.2 |
1.2-1.5 |
1.5-2.0 |
2.0-3.0 |
|
SiO2% |
49-52 |
50-53 |
50-53 |
51-54 |
|
Ti02% |
0.8 |
0.9 |
1.0 |
1.2 |
|
K2O+Na2O% |
0.3 |
0.4 |
0.4 |
0.5 |
|
Ca0+Mg0 % |
|
|
|
|
|
Bulk density g/cm3(min) |
2.55 |
2.53 |
2.50 |
2.46 |
|
Refractoriness °C (min) |
1770 |
1760 |
1740 |
1720 |
|
Mullte % (min) |
65 |
60 |
55 |
45 |
Applications:
1)Product is suitable for Stainless steel, alloy steel, carbon steel, heat-resistant steel, titanium alloy, nickel alloy, aluminum alloy, cast iron, cast copper complex precision castings and big, medium and small castings, etc.
2)Product is suitable for precision casting ,Silicon Sol investment casting, lost wax casting ,Cast steel, cast copper, Vacuum casting, plaster filler v-process, casting coatings, casting mold shell, etc.
Packaging Detail:25KG plastic woven bag & 1000KG big bag or wooden pallet
| Payment Terms: | TT |
|---|---|