99.4% High Purity Calcined Alumina Powder for Refractory

• Feature: Long Time Materials
• Refractoriness (℃): 1580< Refractoriness< 1770
• Shape: Powder
• Model NO.: TCH-30, TCH-5H
• Grain Size: 75 Micron, 45 Micron, 3-5 Micron
• Type: Refractory Material
• Material: Alumina Cement
• Transport Package: 25 Kg Bag
• Specification: TCH-30, TCH-5H
• Trademark: TCH
• Origin: China
• HS Code: 281820000
• Production Capacity: 20000 Ton Per Year

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

Characters:
This product is refined from high quality calcined alumina by scientific confecting, rubbing, pulping, spraying, drying. The product is charactered by reasonable particle size, moderate strength, good fluidity, low sintering temperature, easy demolding.

Alumina Spray Prilling Powder
Ceritificates: SGS, ISO
AL2O3 Highest Purity 99.7%
High density
Low sinteresting temperate

Type	Model	Al2O3	Na2O	Fe2O3	SiO2	TiO2	LOI	True Density	a-Al2O3	D50	Primary Particle Size	Specific Surface
	Unit	≥ %	≤%	≤%	≤%	≤%	≤%	g/m3	≥ %	um	um	m2/g
Dry pressing/CIP series	TCH-101	99.7	0.08	0.02	0.018	0.006	0.15	3.96	96	75	2--3	0.6-0.8
	TCH-102	99.6	0.1	0.02	0.018	0.006	0.15	3.95	95	75	2--3	0.6-0.8
	TCH-103	99.5	0.2	0.02	0.018	0.006	0.2	3.95	95	75	2--3	0.8-1.0
	TCH-105	99.4	0.3	0.02	0.018	0.006	0.2	3.93	93	75	2--3	0.8-1.0
Injection moulding	TCH-213	99.5	0.25	0.02	0.018	0.006	0.15	3.95	95	75	3--4	0.5-0.6
	TCH-211	99.5	0.25	0.02	0.018	0.006	0.1	3.96	96	75	3--5	0.5-0.6
Refractory series	TCH-31	99.4	0.3	0.02	0.018	0.006	0.15	3.92	90	75	2--3	0.1-0.8
	TCH-30	99.5	0.25	0.02	0.019	0.008	0.1	3.95	95	3--5	2--4	1.0-1.2
	TCH-33	99.4	0.25	0.02	0.018	0.006	0.15	3.95	95	43	2--3	0.9-1.0
	TCH-003	99.4	0.3	0.02	0.018	0.006	0.13	3.95	95	4	3--5	1.0-1.2
	TCH-35	99	0.25	0.02	0.02	0.006	0.2	3.9	90	43	3--5	0.9-1.0
Active α-Al2o3	TCH-5H	99.4	0.15	0.02	0.15			3.95	95	1
	TCH-5L	99.4	0.15	0.02	0.15			3.93	93	0.8
Polishing series	TCH-61	97	0.1	0.1-0.2	0.18-2			3.95	95	40-60
	TCH-62	97	0.1	0.1-0.2	0.18-2			3.95	95	4--5
	TCH-63	98	0.1	0.05-0.6	0.18-0.2			3.97	95	4--5
Glazing series	TCH-7	99.6	0.2	0.02	0.018			3.95	95	55
	TCH-703	99.6	0.2	0.02	0.018			3.95	95	15
	TCH-713	99.6	0.2	0.02	0.018			3.95	95	4