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Xiamen Ditai Chemicals Co., Ltd.

Zeolite 4A, Molecular Sieve, Molecular Sieve Zeolite 4A manufacturer / supplier in China, offering Molecular Sieve Zeolite 4A Manufacturing of Insulating Glass, High Quality Potassium Formate 590-29-4, High Purity Linalool 98% CAS: 78-70-6 with Factory Price and so on.

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Molecular Sieve Zeolite 4A Manufacturing of Insulating Glass

FOB Price: US $1,100-1,200 / Ton
Min. Order: 20 Tons
Min. Order FOB Price
20 Tons US $1,100-1,200/ Ton
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Port: Qingdao, China
Production Capacity: 1000tins/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DSS
  • Shape: Sphere
  • Kind: Silica-Gel Desiccant
  • Desiccant: Chemical Desiccant
  • Adsorbent Variety: Molecular Sieve
  • Einecs No: 215-691-6
  • Transport Package: According to The Customer′s Requirement
  • Origin: China
  • CAS No.: 1344-28-1
  • Drying Method: Static Drying
  • Sorbent: Molecular Sieves
  • CAS No: 1344-28-1
  • Mf: Na12al12si12o48*27H2O
  • Trademark: Ditai
  • Specification: ISO, SGS, CIQ, REACH
  • HS Code: 382490000

Product Description

Customer Question & Answer
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Molecular Sieve type 4A is an alkali alumino silicate; it is the sodium form of the Type A crystal structure. 4A molecular sieve has an effective pore opening of about 4 angstroms (0.4nm). KANGYU type 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Such adsorbable molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxyde and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded.
 Typical Chemical Formula
Na2O . Al2O3 . 2SiO2 . 4.5 H2O
 SiO2 : Al2O3 ≈2
 Technical Parameter


Item

Unit

Technical data

Shape

 

Pellet

Sphere

Diameter

mm

1.5-1.7

3.0-3.3

1.7-2.5

3.0-5.0

Size ratio up to grade

%

≥98

≥98

≥96

≥96

Bulk density

g/ml

≥0.66

≥0.66

≥0.66

≥0.66

Wear ratio

%

≤0.20

≤0.40

≤0.20

≤0.20

Crushing strength

N

≥30/cm

≥45/cm

≥30/piece

≥70/piece

Static water adsorption

%

≥20.5

≥20.5

≥21

≥21

Static methanol adsorption

%

≥15

≥15

≥15

≥15

Water content, as shipped

%

≤1.5

≤1.5

≤1.5

≤1.5


 Application
 Drying and removing of CO2 from natural gas, LPG, air, inert and athmospheric gases, etc.
 Removal of hydrocarbons, ammonia and methanol from gas streams
(ammonia syn gas treating)
 Special types are used in the air break units of buses, trucks and locomotives.
 Packed in small bags, it may be used simply as a packaging desiccant.
 Regeneration
KANGYU molecular sieve Type 4A can be regenerated by either heating in the case of thermal swing processes; or by lowering the pressure in the case of pressure swing processes.
To remove moisture from a 4A molecular sieve, a temperature of 250-280°C is required. A properly regenerated molecular sieve can give moisture dew points below -100°C.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process
 Size
4A - Zeolites are available in beads of 1-2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh) , 2.5-5 mm, (4x8 mesh) and as powder, and in pellet 
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