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Iriotec® 8208

Iriotec® 8208 by Merck KGaA Darmstadt Germany is a laser sensitive granulate. It enables a dark marking independent of the polymer. It is the best in class for contrast and marking speed, with the broadest process window. Antimony trioxide (65-75%) is embedded in an impervious polymer matrix (polyethylene, carrier; 25-35%), which is encapsulated in microspheres. It can be pre-compounded, used as dry blend or fed by gravimetric or volumetric dosing. Recommended dosage for Iriotec® 8208 is 1-3% while recommended processing temperature is above 160°C.

Original Datasheet:
In the United States, Canada and Puerto Rico the performance materials business of Merck KGaA, Darmstadt, Germany operates as EMD Performance Materials.
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Product Type
Other Additives for Thermoplastics > Laser Marking Additives
Chemical Composition
Antimony trioxide embedded in polymer matrix
CAS Number
1309-64-4, 25087-34-7
Physical Form
Granules
Appearance
Whitish
Product Status
COMMERCIAL
Applications/ Recommended for
  • PBT
  • PVC
  • TPE and TPV > TPV (or TPE-V)
  • TPE and TPV > TPU (or TPE-U)
  • PP
  • Other Thermoplastic > POM (Polyacetal)
  • ABS
  • PET
  • PE
  • Injection molding - thermoplastics > Blow molding
  • Extrusion > Films (cast)
  • Extrusion > Films (blown)

Iriotec® 8208 Properties

Property

Value & Unit
Test Condition
Test Method
Density, ISO 787-10
1.4 - 1.8 g/cm3
Bulk Density, ISO 3923-2
90 - 110 g/100 ml
Heat Stability
< 280 °C

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