Porous MgO Rod

MgO sheath   Gongtao company mainly produce  MGO Tubes.They are used in electric heating elements,especially cartridge heaters,thermocouple.  
Material:97% or 99% mgo powder     It is through processes of being extruded and calcined by high temperture.It has good insulating performance and high thermal conductivity.   2)Chemical composition MgO ≥ 97.0% Al2O3 ≤ 0.3% SiO2 ≤ 3.0% CaO ≤1.1% Fe2O3 ≤0.1% 3)Appearance : vertical ,white, smooth surface, inner holes distributing uniformly If you have any requirement,please contact with me without any hesitation Our items are various and exported to many countries.Welcome to contact us!    

No of hole	ODxIDxL	No of holes	ODxIDxL	No of holes	ODxIDxL	No of holes	ODxIDxL	No of holes	ODxIDxL
	Φ3×1.2×20		Φ11×6×30		Φ9×3×50		Φ15×3×40		Φ22×3×40
	Φ3×1.6×20		Φ11×7×30		Φ10×3×40		Φ15×4×40	Nine holes	Φ40×7×50
	Φ4×2×30		Φ12×5.5×50		Φ10×3×50		Φ17×4×40		Φ46×8×50
	Φ5×2.2×20		Φ13×6×50		Φ11×3.5×50		Φ18×5×50		Φ45×7×55
	Φ6×3×40		Φ13×9×50		Φ13×4×40		Φ19×4×40		Φ21×4×30
	Φ6.4×3.4×40		Φ14×8×50		Φ15×6×40		Φ19×5×40	Triangle	Φ17×8×40
	Φ6×4×40		Φ14×10×50		Φ18×7×50		Φ18×5×20		Φ8.3
	Φ7×4×40		Φ16×7×50		Φ25×6×50		Φ19×4×25		Φ11.5
	Φ7.5×4.2×40		Φ16×9×50		Φ26×8×50		Φ20×5.5×50		Φ15×11×8
	Φ8×2×40		Φ17×13×50		Φ33×9×50		Φ25×6×50		Φ10×8.3
	Φ9×5×40		Φ18×12×50						6.5
	Φ9×6×40		Φ19×11×50	Four holes	Φ9×2.5×25	Eight holes	Φ17×2.5×40		Φ5.2
	Φ10×5×50				Φ11×3×40		Φ19×3×50
	Φ10.5×7×30	Two holes	Φ7×2.2×40		Φ13×4×40		Φ25×4×48	Square hole	Φ6×4×40