OEM China Alum Aluminium Sulphate - Ultra-Fine Temperature Calcined Alumina – Ton Year

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OEM China Alum Aluminium Sulphate - Ultra-Fine Temperature Calcined Alumina – Ton Year Detail:

Calcined Alumina
Calcined Alumina is a commercial Alumina or Aluminum Oxide. It is white powder. One of the outstanding characteristics of Calcined Alumina is its hardness which is 9 on mohs scale. There is board industrial field of applications for this type of alumina and number of distinctive grade are produced to meet various needs.

Identification of grades
1) Calcined Aluminum S-100 grades: White granular free flowing powder passes through 150 m.
2) Calcined Aluminum S-300 grade: White superfine powder passes though 45 micron.
3) Calcined Alumina SCM grade: It is finally ground grades consisting entirely of superfine passes through 45 micron.
4) Calcined Alumina S-300 PT: It is finely ground grade consisting entirely of superfine with surface treated.

Uses
Use as a bedding material in the heat treatment of special alloy steels, It is use as a fluxing medium in the meeting of special steels as a component of low expansion glass. It is use as a constituent of special china dazes & it is use as a raw material for the manufacture of dental porcelains. It is use for refractory application such as electrical insulators. It is use as a abrasive resistant. It is use glazing ceramic tiles.

Introduction:
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.Al2O3>99.7% Na2O <0.3% Fe2O3<0.024% SiO2<0.019% TiO2<0.008%.
6: (1)Loss weight when burning<0.2% Density=3.96g/cm3 a-Al2O3>93%
(2)Medium particle size(D50) 75um Ultimate crystal size 3-5um
(3)BET specific surface area 1.0 m2/g

The specification of various code is shown as belows:

Application	Model	Al2O3	Na2O	Fe2O3	SiO2	TiO2	LOI	True density	a-Al2O3	D50	Particle size	specific surface
Application	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	0.15	0.02	0.018	0.006	0.15	3.95	95	75	3-4	0.5-0.6
Injection moulding	TCH-211	99.7	0.1	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	2-4	1.0-1.2
	TCH-33	99.4	0.3	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	0.3	0.02	0.02	0.006	0.2	3.9	90	43	3-5	0.9-1.0
Active A-Al2o3	TCH-5H	98.8	0.15	0.02	0.15			3.95	95	1
Active A-Al2o3	TCH-5L	98.6	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

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