Zibo Jiulong Chemical Co., Ltd.

Low sodium super stable high silicon Y-type DAY-20 molecular sieve

• Category :

  Catalyst and Auxiliary/Catalyst

• Synonyms :

  Molecular sieve 13X 1/16;Molecular sieve 3A 1/16;Molecular sieve 4A 1/16;Molecular sieve 5A 1/16;Molecular sieves, 5A;Molecular sieves 3A 1/16;MolecularsievesXpowder;MolecularsievesXmmbeads;MolecularsievesmeshpowderLindeX;MolecularsievespelletsLindeX;Molecular Sieve Type 13X;Molecular sieve 3A;MOLECULAR SEIVES, TYPE 4 A;Molecular sieves 13X;

• CAS NO :

  12173-28-3

• EC NO :

• Molecular Formula :

  Al·Ca·16H₂O·K·Na·O₅Si₂·O

• Molecular Weight :

• Main Specifications :

  SIO2/Al2O3 25 40 60

• Packing :

  400kg plastic woven bag:according the client's request to do the packing

• Product description :

  Na₂O is more than 0.05% and SiO₂/Al₂O₃ molar ratio is no less than 18.5.

  DAY-20 Quality Control Targets

  Item	Unit	Max	Typical	Max	Analytical Method
  Relative crystallinity	%	60	65		X-ray diffractometer
  Cell parameter	×10-10m	24.32	24.33	24.35	X-ray diffractometer
  Silica-alumina ratio	/	19	22	24	X-ray diffractometer
  Total specific surface	m2/g	650	680		N2 Adsorption
  Pore Volume	mL/g	0.38			N2 Adsorption
  Na2O	wt %			0.10	Flame Photometric Analysis
  LOI	wt %		7	10	Gravimetric Analysis
  D,50	μm		5	6	Laser Scatter Distribution

• Uses :

  Y-type zeolite is also applied to hydrocracking,isomerization and alkylating catalysts.The NaY zeolite without the exchange and modification is an efficient desiccant.