20 μm aluminum hydroxide

Classification:

Classification by particle size

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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20 μm aluminum hydroxide

Al(OH) ₃

CAS No. 21645-51-2

▎Regular Attributes

Molecular weight

Mohs hardness

Density g/cm ³

Density

2.4

Refractive index

1.58

▎Physicochemical Indices

Project/Model		HJM-20G	HJM-20	HJM-20K
Chemical constituent Chemical composition	Al(OH) ₃ [%] greater than or equal to	99.5	99.5	99.5
	All ₂ O ₃ [%] greater than or equal to	64.5	64.5	64.5
	Silicon dioxide ₂ [%] less than or equal to	0.02	0.02	0.02
	Fe ₂ O ₃ [%] less than or equal to	0.01	0.01	0.01
	Na ₂ O [%] less than or equal to	0.30	0.30	0.30
	Loss on ignition ≤	35.0	35.0	35.0
	Attached water moisture less than or equal to	0.3	0.3	0.3
	+325 mesh ≤ on a 325-mesh sieve	25	25	25
	oil absorption oil absorption rate Approximately	18	21	22
Mean particle diameter (D50) µm ≈		20	20	20
Whiteness [R457] greater than or equal to		94	91	87
pH value Approximately		9