Industrial Glass

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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Industrial Glass

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Industrial Glass

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		HJ-80K	HJ-90K
Chemical constituent	Al(OH)₃ [%] ≥	99.5	99.5
	Al₂O₃ [%] ≥	64.5	64.5
	SiO₂ [%] ≤	0.02	0.02
	Fe₂O₃ [%] ≤	0.01	0.01
	Na₂O [%] ≤	0.30	0.30
	Loss on ignition ≤	35.0	35.0
	Attached water ≤	0.3	0.3
Mean particle diameter （D50） µ m≈		80	95
+80 mesh ≤		0.5	0.5
Whiteness [R457] ≥		72	70
PH value ≈		9