High-density polyethylene (HDPE) · High-density polyethylene C4 copolymer (UNIPOL gas-phase technology)

LITEN BB 29

High-density polyethylene for blow-moulded containers up to 120 l

  • Blow moulding
  • Manufacturer: Unipetrol RPA (Grupo ORLEN)
Melt flow rate (2.16 kg)
0.15 g/10 min
Density
952 kg/m³
ESCR F50
350 h

Description

LITEN BB 29 is a high-density polyethylene for blow moulding produced by Unipetrol RPA using UNIPOL gas-phase technology. It is a C4 copolymer supplied as natural pellets.

Recommended applications

  • Containers up to 120 l
  • Bottles
  • Canisters
  • Barrels
  • Pharmaceutical packaging

Technical properties

PropertyValueUnitStandard
Melt flow rate (190 °C / 2.16 kg)0.15g/10 minISO 1133-1
Melt flow rate (190 °C / 5 kg)0.75g/10 minISO 1133-1
Melt flow rate (190 °C / 21.6 kg)16g/10 minISO 1133-1
Melt flow rate ratio (21.6 / 2.16)110ISO 1133-1
Flexural modulus1,100MPaISO 178
Tensile modulus1,000MPaISO 527-1,2
Tensile strength at yield25MPaISO 527-1,2
Elongation at yield10%ISO 527-1,2
Tensile creep modulus (1 h)560MPaISO 899-1
Tensile creep modulus (1,000 h)287MPaISO 899-1
Notched Charpy impact strength (23 °C)12kJ/m²ISO 179-1
Notched Charpy impact strength (-30 °C)5.5kJ/m²ISO 179-1
Melting temperature (DSC)130°CISO 11357-1, 3
Vicat softening temperature125°CISO 306
Heat deflection temperature (HDT, 1.8 MPa)45°CISO 75-1,2
Density (23 ± 1 °C)952kg/m³ISO 1183-2
Environmental stress crack resistance (ESCR), F50 (100 %)350hASTM D1693
Slow crack growth resistance (FNCT, 50 °C, 9 MPa, 2 %)10hISO 16770
Shore D hardness60ISO 868

Typical manufacturer values: not a specification of the grade. Source: technical data sheet by Unipetrol RPA (Grupo ORLEN).

More information

International designation
ISO 17855-PE-HD,B,50-T006
Certifications
UL 94 HB certified; meets EN 71-3/9 (safety of toys) and the European Pharmacopoeia 8 (Ph. Eur. 8, 3.1.3)
Processing conditions
Melt temperature 180–225 °C; mould temperature 20–30 °C; screw length min. 21 D
Food contact
Complies with Decree No. 38/2001 of the Ministry of Health, Regulation (EC) 1935/2004 and Regulation (EU) 10/2011, as amended
Service temperature
Commonly up to 100 °C; where higher mechanical strength and stiffness are required, it should not exceed 70 °C continuously or 90 °C intermittently. Below -30 °C it becomes substantially brittle.
Packaging
Natural pellets (2–6 mm; bulk density 520–580 kg/m³) in 25 kg PE-LD bags, 55 bags per pallet; also in bulk road tankers