fused mullite sand: 16-30,30-60,etc mesh fused mullite flour: 200M-325 mesh Mainly used for precision casting

    refractory fused mullite sand    

Characteristics of refractory fused mullite sand: 1. High refractoriness above 1750.

 2. Aluminum content high, the iron content low.

 3. High volume density.

 4. Thermal expansion coefficients of small.

 5. Physicochemical stability.

 6. Fully calcined.

 7. Dust content low.

 8. The specification standards.

 Advantages of refractory fused mullite sand:

 1. Easy out of shell.

 2. No deformation.

 3. No reduced scale.

 4. Good brightness, Good finish .

 5. Product rate is high.

 Specifications of refractory fused mullite sand:

Size of Precision casting sand : 8-16, 16-30, 30-60, 30-80, 60-80,80-120, 10-20 (mesh)Size of  Precision casting flour: -200, -250, -270, -325 (mesh)

Features of refractory fused mullite sand:All of the chemical composition is equably.Composition and size can process as customers requirement.Reasonable price, widely using range.Can replace many other high magnesia products with same or even better fuction

Physical and chemical index of refractory fused mullite sand:

Physical and chemical index
Item/ Grade	Index
	CSM-45	CSM-43
Al2O3%	45-46	43-45
SiO2%	51-53	51-53
Fe2O3%	≤1.20	≤1.20-≤1.30
CaO+MgO2 %	0.6	0.8
K2O+Na2O %	0.2	0.3
TiO2 %	0.08	0.1
Bulk density g/cm³(min)	2.6	2.5
Refractoriness °C(min)	1750	1750
Dustiness %(min)	0.1	0.1

Pictures of refractory fused mullite sand:

refractory fused mullite sand