Calcined Alumina Powder for Refractory

• CAS No.: 1344-28-1
• Formula: Al2O3
• Classification: Alumina
• Model NO.: A12
• Grade Standard: Industrial Grade
• Kind: Amphoteric Oxide
• Quality: Special Class
• Density: 3.93G/Cc
• Transport Package: 25kg Bag
• Specification: 25KG
• Trademark: TCH
• Origin: China
• HS Code: 28182000
• Production Capacity: 3000tons Per Month

Product Description

1. Technics: Calcined temperature beyond 1300C, the alumina powder be calcined without Boron, Ultimate crystal size 3-5um.

2. Application: TCH-1/TCH-2/TCH-3 is good for producing electronic alumina ceramic/wear resistant ceramic(alumina wear tile, alumina ceramic brick, alumina ball)/alumina ceramic substrate.

3. Payment Term: TT/LC AT sight.

4. Delivery time: Within 2 weeks to ship since the date we receive your deposit or L/C at sight.

5. AI2O3>99.7% Na2O < 0.3% Fe2O3< 0.024% SiO2< 0.019% TiO2< 0.008%.

6. Loss weight when burning< 0.2% Density=3.96g/cm3 a-Al2O3>93%
Medium particle size(D50) 75um Ultimate crystal size 3-5um
BET specific surface area 1.0 m2/g

Brand	AI2O3    ≥ %	Na2O   ≤ %	Fe2O3   ≤ %	SiO2   ≤ %	TiO2   ≤ %	Density   g/cm3	a-AI2O3   ≥ %	Medium  Particle  size	BET   m2/g
TCH-101	99.70	0.10	0.02	0.018	0.006	3.96	96	75	0.6-0.8
TCH-102	99.60	0.10	0.02	0.018	0.006	3.95	95	75	0.6-0.8
TCH-103	99.50	0.20	0.02	0.018	0.006	3.95	95	75	0.8-1.0
TCH-105	99.40	0.30	0.02	0.018	0.006	3.93	93	75	0.8-1.0
TCH-31	99.4	0.30	0.02	0.018	0.006	3.92	90	75	0.1-0.8
TCH-30	99.5	0.25	0.02	0.019	0.008	3.95	95	3	1.0-1.2
TCH-33	99.4	0.30	0.02	0.018	0.006	3.95	95	10	0.9-1.0
TCH-003	99.4	0.30	0.02	0.018	0.006	3.95	95	4	1.0
TCH-35	99.0	0.30	0.02	0.020	0.006	3.90	90	10	0.9-1.