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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Array™ 9921M

Technical Datasheet | Supplied by DAK Americas
Array™ 9921M by DAK Americas is a polyethylene terephthalate (PET) copolymer grade. Exhibits excellent clarity & color, good gloss, maintains good reheat characteristics. Also offers high processability & consistency, medium intrinsic viscosity and reduced crystallization rates. Is capable of retaining properties under multiple sterilization processing techniques. It is a hygroscopic grade, insoluble in water and suitable for processing by injection stretch blow molding. Array™ 9921M is recommended for pharmaceutical and medical applications, containers and films. Certified by UL Standard and complies with FDA Food Contact Notification 000635.
Product Type
Polyester > PET
Physical Form

Array™ 9921M Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Mositure Content
< 0.25 %
(As packaged)
< 0.05 %
(24 Mesh, as packaged)
Pellet Size
53 - 73 chips/g

Array™ 9921M Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
300 - 340 °F
Dehumidified Air Temperature
340 - 370 °F
Dehumidified Air Dew Point
-34 - -40 °F
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