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Steel tapping port

The tapping port adopts high-purity electrofused magnesia or electrofused large crystalline magnesia, with high-purity graphite, adding unique antioxidants and phenolic resin as binding agent, and is formed by cold isostatic pressing (integral tapping port) or machine pressing (split tapping).

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Steel tapping port

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Refractory materials for the iron and steel industry

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Product Introduction

The tapping port adopts high-purity fused magnesia or fused large crystalline magnesia, with high-purity graphite, adding unique antioxidants to phenolic resin as binding agent, and is formed by cold isostatic pressing (integral tapping port) or machine pressure (split tapping). It has the characteristics of good oxidation resistance, high strength, good corrosion resistance, easy replacement and long life. Such products have been used in many steel mills at home and abroad, electric furnace, converter, access to customers alike.

Brand Brand Index	Split tapping port		Integral tapping port
Brand Brand Index	HT-MT-10A	HT-MT-14A	HT-MT-10A	HT-MT-14A	HT-TH-B1	HT-TH-C2
MgO(%)≥	77	75	76	78	76	80
C(%) ≥	10	14	10	14	10	6
The apparent porosity A · P(%) ≤	5.0	4.0	5.0	5.0	5.0	5.0
Bulk density B · D(g/cm³)≥	2.95	2.92	2.90	2.85	2.90	2.98
Compressive strength C · C · S(MPa)	35	32	30	30	40	60
Bend strength M · O · R(MPa) ≥ (1400℃×0.5h)	8	10	8	8	15	15