Ineos Styrolution

KR-99

KR-99 (also known as K-Resin) is a K-Resin grade.
Suitable for: Transparent food packaging (deli containers, lids), Medical packaging (blister packs, pouches), Blow-molded bottles and jars, Thermoformed trays and cups.
Key properties: Density 1.020 g/cm³ | MFI 1133 g/10min @ 200 °C/5 kg | Tensile Strength 26 MPa.
GradeKR-99
MaterialK-Resin
MFI1133 g/10min @ 200 °C/5 kg
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Material Snapshot

Grade
KR-99
Material Type
K-Resin
Manufacturer
Ineos Styrolution
Brand
K-Resin
Density
1.020 g/cm³
MFI
1133 g/10min @ 200 °C/5 kg
Supply Form
Granules

Applications

  • Transparent food packaging (deli containers, lids)
  • Medical packaging (blister packs, pouches)
  • Blow-molded bottles and jars
  • Thermoformed trays and cups
  • Retail clamshell packaging
  • Toys requiring clarity and toughness

Key Features

  • Good mechanical properties
  • Suitable for injection moulding
  • Available in multiple grades and colours

Mechanical Properties

Impact Strength
Charpy Notched: 2 kJ/m²
Tensile Strength
26 MPa
Tensile Modulus
1500 MPa
Flexural Strength
32 MPa
Flexural Modulus
1400 MPa

Thermal & Processing

Heat Deflection Temperature
61°C at 1.8 MPa
Vicat Softening Temperature
53°C
Melt Temperature Range
Melt: 250°C / Mold: 50°C
Processing Temp
Melt: 250°C / Mold: 50°C

Performance Properties

Optical Properties
Light Transmission: 1003% | Haze: 1003%
Water Absorption
62%
Mold Shrinkage
0.3-1%

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