round four-hole mgo tube:

1,certificate: SGS

2,model:the size can be customized according special requirements,also we have

our standard as below:(outside diameter x inner diameter x length)

Φ4x1.1x20mm                Φ5.0x1.3x25mm

Φ6x1.4x25mm                Φ7x1.6x25mm

Φ8x1.8x25mm                Φ 9x2.5x25mm

Φ11x3x40mm                Φ12x3.5x40mm

Φ13x4x40mm                Φ15x4x50mm

Φ16x4x40mm                Φ17x5x50mm

Φ18x5x50mm                Φ 19x5.5x50mm

Φ20x5.5x50mm                Φ22x6x50mm

Φ24x6.8x50mm                Φ25x7x50mm

Φ26x7x50mm                Φ 28x8x50mm

             

3,chemical composition:

MgO     ≥ 98.5% CaO     ≤ 0.3% Fe      ≤ 0.1% Si       ≤ 0.5% Al2O3    ≤ 0.3%

4,apperance:white color,vertical,straght,smooth,holes distribute uniformly

5,the mininum OD:1.3MM