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4A Molecular Sieve Powder

  • 4A Molecular Sieve Powder
  • Specifications
  • MSDS
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4A Activated Powder is used commercial for dehydration of coating and polyurethane glue etc
Property Unit 4A 4A-D 4A-5 Note
Static Water Adsorption

%wt

≥ 27.00

≥ 26.50

≥ 26.50

RH50%, 25℃
Bulk Density g/ml

≥ 0.70

≥ 0.75

≤ 0.65

Settled
Packing Moisture

%wt

≤ 21.00

≤ 21.00

≤ 21.00

550℃, 2hr
Screen Residue

%wt

≤ 0.50

≤ 0.50

≤ 0.50

325 Mesh
pH Value

~

≤ 11.00

≤ 11.00

≤ 11.00

5% Solution

Typical application
(1)2K-Polyurethane coatings and mouldings (link to the coating etc.)
(2)1K-Polyurethane storage protection (link to the coating etc)
(3)Storage protection for metallic pigment paint (link to the coating etc.)
(4)Polysulfide and silicone systems
(5)Carriers for chemicals for controlled release
(6)Processing aid for polymer production
(7)Desiccant for the production of polymer desiccant materials
(8)Cosmetics additive (link to the personal care page)
(9)Storage protection additives for highly hygroscopic goods
(10)Additives for flame retardants
(11)Shift of chemical reaction by removal of water as by product
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