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Product

Perforated Ceramic Balls

[ Products Description ]
Perforated ceramic ball is developed on the basis of inert ceramic ball. It has an adequate mechanical strength, chemical and thermal stability as the normal inert one; furthermore it has higher dispersion and flux of the fluids, more surface area and lower resistance resulting from the perforated holes on the ball body. As a new efficient support and covering material of catalyst, it has been widely used in oil refinery, chemical, fertilizer, natural gas and environmental protection industries since put into market.

[ Technical Specification ]

Item/Type		Feldspar	Feldspar-Mullite	Mullite	Mullite-Corundum	Corundum
Chemical Composition %	Al₂O₃	20-30	30-45	45-70	70-90	≥90
	Al₂O₃+SiO₂	≥90
	Fe₂O₃	≤1
Water absorption, %		≤5
Acid resistance, %		≥98
Alkali resistance, %		≥80	≥82	≥85	≥90	≥95
Thermal Resistance, °C		≥300	≥400	≥500	≥600	≥600
Crushing strength N/Piece	Φ3	≥400	≥420	≥440	≥480	≥500
	Φ6	≥480	≥520	≥600	≥620	≥650
	Φ8	≥600	≥700	≥800	≥900	≥1000
	Φ10	≥1000	≥1100	≥1300	≥1500	≥1800
	Φ13	≥1500	≥1600	≥1800	≥2300	≥2600
	Φ16	≥1800	≥2000	≥2300	≥2800	≥3200
	Φ20	≥2500	≥2800	≥3200	≥3600	≥4000
	Φ25	≥3000	≥3200	≥3500	≥4000	≥4500
	Φ30	≥4000	≥4500	≥5000	≥5500	≥6000
	Φ38	≥6000	≥6500	≥7000	≥8500	≥10000
	Φ50	≥8000	≥8500	≥9000	≥10000	≥12000
	Φ75	≥10000	≥11000	≥12000	≥14000	≥15000
Bulk Density, kg/m³		1100-1200	1200-1300	1300-1400	1400-1500	≥1550

Note: The data of bulk density is given for reference only, not as the acceptance criterion.

[ Size ]

Diameter, Φ	6	8	10	13	16	20	25	30	38	50	60	75
Tolerance, mm	±1.0			±1.5				±2.0			±3.0
Diameter of hole, mm	2-3			3-5				5-8			8-10

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