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If you are sourcing HQ-DA Inert Ceramic Balls from China ,just feel free to inquire

Company：	Pingxiang Global Chemical Packing Co.,Ltd.
Contact：	Amanda Kuang
Phone：	+86-799-6376388
Mobile phone：	15932889062
Fax：	+86-799-6375200
E-mail：	hzb@pxhq.cn
Website：	http://www.pxhq.cn
Address：	Anyuan Industrial Park, Pingxiang, Jiangxi,China
Zip Code：	337000

Type Item		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,℃		≥1300	≥1400	≥1500	≥1600	≥1700
Crushing strength N/grain	Φ３	≥120	≥140	≥150	≥160	≥200
	Φ６	≥400	≥420	≥440	≥480	≥500
	Φ８	≥480	≥520	≥600	≥620	≥650
	Φ10	≥600	≥700	≥800	≥900	≥1000
	Φ13	≥1000	≥1100	≥1300	≥1500	≥1800
	Φ16	≥1500	≥1600	≥1800	≥2300	≥2600
	Φ20	≥1800	≥2000	≥2300	≥2800	≥3200
	Φ25	≥2500	≥2800	≥3200	≥3600	≥4000
	Φ30	≥3000	≥3200	≥3500	≥4000	≥4500
	Φ38	≥4000	≥4500	≥5000	≥5500	≥6000
	Φ50	≥6000	≥6500	≥7000	≥8500	≥10000
	Φ75	≥10000	≥11000	≥12000	≥14000	≥15000
Bulk density, kg/m3		1300-1400	1400-1500	1500-1600	1600-1800	≥1800
Note: The data of bulk density is given for reference only, not as the acceptance criterion.

Diameter, Φ	3	6	8	10	13	16	20	25	30	38	50	75
Tolerance,mm	±1.0				±1.5				±2.0			±3.0

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