Barium Carbonate

Product Name:Barium Carbonate
CAS No.:513-77-9
EINECS No.:208-167-3
Packaging Detail:25kg PP PE bag.25MT/20'FCL 

1. For ceramic capacitor Specification:

Item		Content
		1	2
BaCO3 % ≥		99.80	99.50
Sr % ≤		0.0050	0.0050
Ca % ≤		0.005	0.002
Na % ≤		0.0005	0.0005
Fe % ≤		0.0002	0.0002
S % ≤		0.0001	0.0001
Cl % ≤		0.015	0.0010
H2O(110°C)% ≤		0.050	0.050
Loss on Ignition (800°C)% ≤		0.15	0.30
Surface area (m2/g)(BET) ≥		4.0	6.0
Average particle size	SEM μm ≤	0.50	0.35
	Lazer Particle size D50 μm ≤	1.8	1.2

Uses: 1 for widely making ceramic capacitor such as high-tension alternating-current capacitor. ultrasonic alternating-energy device, piezoelectric ceramic, etc. 2 for making
MLCC, memory device of computer, microwave medium.
2.For PTC Specification:

Item		Content
		4	3	2	1
BaCO3 % ≥		99.70	99.80	99.80	99.40
Sr % ≤		0.0050	0.050	0.25	0.25
Ca % ≤		0.002	0.008	0.03	0.03
Mg % ≤		0.0005	0.001	0.001	0.001
Na % ≤		0.0005	0.0005	0.0005	0.001
Fe % ≤		0.0002	0.0003	0.0003	0.001
Cl % ≤		0.0010	0.015	0.015	0.020
H2O(110°C)% ≤		0.050	0.050	0.050	0.10
Loss on Ignition (800°C)% ≤		0.20	0.20	0.15	0.30
Surface area (m2/g)(BET) ≥		4.0	2.5	2.5	1.5
Average particle size	SEM μm ≤	0.40	0.60	0.70	2.0
	Lazer Particle size D50 μm ≤ (SEISHIN.LMS-30)	2.0	2.5	3.0	4.5

 

Item		Content
		4	3	2	1
BaCO3 % ≥		99.70	99.80	99.80	99.40
Sr % ≤		0.0050	0.050	0.25	0.25
Ca % ≤		0.002	0.008	0.03	0.03
Mg % ≤		0.0005	0.001	0.001	0.001
Na % ≤		0.0005	0.0005	0.0005	0.001
Fe % ≤		0.0002	0.0003	0.0003	0.001
Cl % ≤		0.0010	0.015	0.015	0.020
H2O(110°C)% ≤		0.050	0.050	0.050	0.10
Loss on Ignition (800°C)% ≤		0.20	0.20	0.15	0.30
Surface area (m2/g)(BET) ≥		4.0	2.5	2.5	1.5
Average particle size	SEM μm ≤	0.40	0.60	0.70	2.0
	Lazer Particle size D50 μm ≤ (SEISHIN.LMS-30)	2.0	2.5	3.0	4.5

Uses: 1 ,2 for making constant temperature electric heated components and delay cell. 3 , 4 for making over-current protecting components,degaussing components model and motor startup components model.
3.For optics glass Specification:

Item		BaCO3 %≥	Sr %≤	Na ppm≤	Fe ppm≤	Cr ppm≤	Co ppm≤
Content	1	99.80	0.15	10	2	0.1	0.1
	2	99.90	0.0050	5	2	0.1	0.1

 

Item		Cu ppm≤	S ppm≤	H2O(110°C) %≤
Content	1	0.1	0.1	0.050
	2	0.1	0.1	0.050

Uses: 1 for making optics glass.2 for making optics film-plating.
4. For LCD glass substrate Specification:

Item	Content
BaCO3 % ≥	99.80
Sr % ≤	0.010
Ca % ≤	0.01
Fe % ≤	0.0003
Cl % ≤	0.0010
Na % ≤	0.005
SO4 % ≤	0.001
Loss on Ignition (800°C)% ≤	0.10
H2O(110°C)% ≤	0.050
Size 0.15-0.85 mm % ≥	99.0

Uses: used in making glass substrate.