CAS: 21645 51 2 Flame Retardant Aluminum Hydroxide

Product Overview

Description

CAS: 21645-51-2 Flame Retardant Aluminum Hydroxide

 

Product Name	Aluminum Hydroxide
Synonym	Alumina Trihydrate / ATH
Subject	AH-1	AH-3	AH-5	AH-8	A-8	AH-10H	A-10	A-15	AH-25
AL(OH)3 %	≥99.5	≥99.5	≥99.5	≥99.5	≥99.5	≥99.5	≥99.5	≥99.5	≥99.5
SiO2 %	≤0.03	≤0.03	≤0.02	≤0.02	≤0.03	≤0.03	≤0.03	≤0.05	≤0.03
Fe2O3 %	≤0.02	≤0.03	≤0.02	≤0.02	≤0.02	≤0.03	≤0.03	≤0.03	≤0.03
Na2O %	≤0.35	≤0.40	≤0.40	≤0.40	≤0.40	≤0.40	≤0.40	≤0.40	≤0.35
L.O.I %	34.5±0.5	34.5±0.5	34.5±0.5	34.5±0.5	34.5±0.5	34.5±0.5	34.5±0.5	34.5±0.5	34.5±0.5
Moisture %	≤0.30	≤0.35	≤0.35	≤0.35	≤0.30	≤0.30	≤0.35	≤0.35	≤0.30
Particle Size D50 (μm)	1.5 ~ 2	3 ~ 4	4.5 ~ 6.5	7 ~ 9	7.5 ~ 9.5	9~ 12	10 ~ 13	13 ~ 17	23 ~ 27
Whiteness %	≥96	≥96	≥96	≥95	93-94	≥95	90~92	≥89	94~96
Oil Absorption (ml/100g)	≤50	≤40	≤37	≤35	≤30	≤32	≤32	≤32	≤30
Product Type	Precipitated Fine ATH (Precipitated Source)	Fine Ground ATH (Mined Source)

 

The alumina trihydrate production is based on Bayer process, where the raw material is bauxite. Alumina trihydrate (ATH) is produced in different grades: wet, dried, ground and finely precipitated one.

All these grades are white (whiteness > 90 %)

Ground and finely precipitated hydrates are mainly used as environmentally friendly flame retardant filler materials in the production of:

-   cable insulation

-   cross-linked elastomers

-   PVC

-   polyester resins

-   epoxy resins

-   thermoplastics

-   polyurethanes

-   water-based dispersions

-   papers paints

 

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