Artificial Stone

Classification:

According to Use

We have a complete range of products with more than 50 kinds of aluminum hydroxide and aluminum oxide products, which are widely used in composite materials BMC/SMC, artificial marble, electronic copper cladding boards, refractory materials, flame-retardant materials, wires and cables, insulators, LED lamps, ceramic rolled rods and other industries. Product particle size can be customized according to customer requirements.

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Artificial Stone

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Artificial Stone

Al(OH)₃（ordinary）

CAS NO. 21645-51-2

▎General Properties

Molecular weight	78	Mohs hardness	3
Density g/cm³	2.4	Ratio of refraction	1.58

▎Physical and Chemical Properties

Item/Model		HJM-15G	HJM-20G	HJM-25G	HJM-50G	HJ-80G	HJM-25
Chemical constituent	Al(OH)₃ [%] ≥	99.5	99.5	99.5	99.5	99.5	99.5
	Al₂O₃ [%] ≥	64.5	64.5	64.5	64.5	64.5	64.5
	SiO₂ [%] ≤	0.02	0.02	0.02	0.02	0.02	0.02
	Fe₂O₃ [%] ≤	0.01	0.01	0.01	0.01	0.01	0.01
	Na₂O [%] ≤	0.30	0.30	0.30	0.30	0.30	0.30
	Loss on ignition ≤	35.0	35.0	35.0	35.0	35.0	35.0
	Attached water ≤	0.3	0.3	0.3	0.3	0.3	0.3
	+325 mesh 325 mesh≤	15	25	-	-	-	-
	oil absorption ≈	18	18	16	18	20	17
Mean particle diameter （D50） µ m ≈		15	20	25	50	80	25
Whiteness [R457] ≥		96	94	94	93	92	90
PH value ≈		9