china factory supply mullite sand/flour for precision casting

FOB Price 200 - 500 USD / 1ton

MOQ	1 1ton
Port	TIANJIN PORT
Packaging	25KG plastic woven bag & 1000KG big bag or wooden pallet
Lead Time	15

Product Details

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:

1. Size of Mullite sand: 8-16 mesh,16-30 mesh,30-60 mesh,30-80 mesh,60-80 mesh,80-120 mesh
Size of Mullite flour: -200M mesh,-250 mesh,-270 mesh,-325 meshPhysical and chemical index:

Item/ Grade	Index
Item/ Grade	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 %	2. 0.5	3. 0.5	4. 0.6	5. 0.7
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