Enhanced PP impact copolymer grade for injection molding

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  • Nucleating agent replaces NaBz in PP copolymer
  • Better stiffness/impact balance in both machine direction (MD) and transverse direction (TD)
  • Downgauging advantage for converters

National Petrochemical Industrial Company (NATPET) a leading polypropylene producers in Saudi Arabia, will introduce an enhanced PP impact copolymer grade for injection molding at Plasteurasia 2015. The new Teldene B20ML PP material has been upgraded in performance and processability by replacing NaBz with Milliken’s nucleating agent Hyperform HPN-20E. Possible applications include food and non-food packaging, pails and automotive compounding.

Better stiffness/impact balance in both machine direction (MD) and transverse direction (TD)

Teldene B20ML offers better stiffness/impact balance in both machine direction (MD) and transverse direction (TD). The very good isotropic shrinkage control facilitates a dimensional stability to eliminate warpage. This, together with the improved thermal properties, also provides downgauging advantage to the converters.

In addition, the use of the nucleating agent Hyperform HPN-20E offers processing benefits and cost reduction for downstream converters and compounders. The grade’s very good stiffness/impact balance with medium fluidity and consistent quality allow cycle time reduction.

bumper made of polypropylene

The automotive sector is set to benefit from the new PP impact copolymer grade Teldene B20ML for injection molding applications (photo NATPETPR004, Copyright 2015 Milliken & Company)

Nucleating agent volumes are four times less than previously required NaBz volumes

NATPET achieves benefits from the new Teldene B20ML grade as a result of better dispersion by the nucleating agent: Hyperform HPN-20E volumes are four times less than previously required NaBz volumes, reducing storage space and logistics cost at the NATPET plant.

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