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#7A Magnesia Crucibles Gold Melting Cupel In Ceramic

#7A Magnesia Crucibles Gold Melting Cupel In Ceramic

Material: Magnesium Oxide
Featrue: High thermal shock resistance
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#7A Magnesia Crucibles Gold Melting Cupel In Ceramic

Cupel design:


More demensions of the crucibles for melting gold we have are as follows:

Size D (mm) D1 (mm) D2 (mm) B/R H (mm) H1 (mm) H2 (mm)
CS-6A 40.0  32.7  30.0  3.7  25.4  12.3  6.0 
CS-6C 40.2  30.3  30.5  5.0  27.5  8.0  9.0 
CS-6D 38.8  32.8  30.0  3.0  30.0  7.8  9.5 
CS-7A 39.7  31.2  30.0  4.3  28.5  11.8  9.0 
CS-7AL 39.7  31.2  30.0  4.3  28.5  12.3  6.0 
CS-7AS 40.0  31.0  30.0  4.5  34.0  14.0  12.0 
CS-7B 39.7  31.2  30.0  4.3  32.0  11.8  12.5 
CS-7C 40.0  33.0  30.0  3.5  30.0  9.5  4.0 
CS-8 44.3  34.2  34.6  5.1  27.1  8.5  9.0 
CS-8A 45.3  38.0  36.9  3.7  35.0  12.5  13.0 
CS-9 51.0  40.0  42.1  5.5  29.0  10.5  9.0 
CS-10 60.0  52.6  49.7  3.7  30.2  11.5  11.0 
CS-11 56.8  47.8  48.8  4.5  44.0  14.8  10.0 
CS-12 80.2  57.5  62.5  11.4  47.0  16.5  11.0 
CS-14 110.0  80.0  88.0  15.0  70.0  24.0  14.0 
CS-PC 254.0  184.7  203.2  34.7  161.6  55.0  32.3 

cupels /fire assay crucible /fire assay cupels  Features:

1. Long Lasting, can be used many times 

2. High purity, good chemical corrosion resistance

3. Good temperature resistance, long time using at 1300°C, short time using at 1550°C    

4. Good thermal shock, resistant to broken

5. High shaped density, not leaky

AL2O3

3≥45%

R2O

≤6%

SIO2

≥48%

Fe2O3

≤1%

Porosity

<1%

Bending strength

> 320

Compressive strength

>12000


More information, please contact us freely.  info@csceramic.com

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