• barium carbonate
  • barium carbonate

Barium Carbonate

  • BaCO3 % ≥: 99.80
  • Sr % ≤: 0.0050
  • Ca % ≤: 0.005
  • Na % ≤: 0.0005
  • Fe % ≤: 0.0002
  • S % ≤: 0.0001

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