| HS Code | 557948 |
| Polymer Type | High Density Polyethylene (HDPE) |
| Density | 0.960 g/cm³ |
| Melt Flow Rate 190 C 2 16 Kg | 0.6 g/10 min |
| Tensile Modulus | 1400 MPa |
| Tensile Stress At Yield | 30 MPa |
| Tensile Strain At Yield | 9% |
| Tensile Strain At Break | >600% |
| Charpy Notched Impact Strength 23 C | 15 kJ/m² |
| Charpy Notched Impact Strength 30 C | 6 kJ/m² |
| Vicat Softening Temperature | 128°C |
| Melting Temperature | 135°C |
| Environmental Stress Cracking Resistance 10 Igepal | >1000 h |
| Hardness Shore D | 65 |
| Water Absorption | <0.01% |
| Thermal Conductivity | 0.4 W/mK |
| Coefficient Of Linear Thermal Expansion | 1.5E-4 /°C |
| Dielectric Constant 1 Mhz | 2.3 |
| Volume Resistivity | >1E14 ohm·cm |
| Processing Temperature | 180-210°C |
As an accredited Borealis HDPE HE1106 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Borealis HDPE HE1106 is packaged in 25 kg polyethylene bags, palletized and stretch-wrapped for secure storage and transport. |
| Container Loading (20′ FCL) | Borealis HDPE HE1106 in 20′ FCL: 25 kg bags, palletized, shrink-wrapped, secured, approximately 18–22 MT per container. |
| Shipping | Borealis HDPE HE1106 is shipped as non-hazardous polyethylene pellets in 25 kg PE bags, jumbo bags, or octabins, typically palletized. Transport in clean, covered vehicles. Keep dry, away from ignition sources, excessive heat, and prolonged sunlight. No dangerous goods classification; normal industrial handling applies. Protect packaging from damage and moisture during transit. |
| Storage | Store Borealis HDPE HE1106 in a cool, dry, well-ventilated warehouse, away from direct sunlight, heat, flames, and strong oxidizers. Keep original bags or containers sealed and palletized off the floor to prevent moisture pickup, dust, and contamination. Avoid prolonged UV exposure. Do not store near odorous materials. Use first-in, first-out rotation and maintain clean, dry handling conditions. |
| Shelf Life | Borealis HDPE HE1106 typically has a 2-year shelf life when stored dry, cool, and away from direct sunlight in original packaging. |
Within UN-certified industrial liquid packaging lines, Borealis HDPE HE1106 is specified for extrusion blow moulding of tight-head and open-top containers where the unfilled resin must survive -18°C drop impact after aggressive chemical exposure. The applicable regulatory basis is the UN Model Regulations Chapter 6.1, 49 CFR 178.509, ADR/RID 6.1.5, and ISO 16101:2004 for plastics compatibility testing with liquid dangerous goods. A production-scale formulation on a continuous mixer-fed blow moulder is typically composed of HE1106 virgin fluff at 92–96 wt%, closed-loop clean regrind at 4–8 wt%, carbon black masterbatch at 2.0–3.0 wt% to achieve 2.0–2.5 wt% carbon black loading, and a hindered phenolic/phosphate stabiliser masterbatch at 0.05–0.15 wt%. Amine-based migratory antistats above 0.2 wt% are excluded because they reduce pinch-off weld strength in UN drop tests. The downstream conversion line uses a grooved-feed single-screw extruder with L/D 24:1 to 30:1, a barrier screw with Maddock mixer, an accumulator head with 1.5–5.0 L capacity, and a 100-point parison programmer; melt temperature is maintained at 180–210°C, die head temperature at 190–205°C, and blow pressure at 0.6–0.8 MPa. The pinch-off weld zone is programmed to a minimum wall thickness of 0.8 mm because UN drop-test failures in this geometry concentrate in the weld line when the parison is stretched below 0.6 mm. Terminal products include 5–30 L tight-head jerricans, 20–60 L open-top drums, and 30–120 L UN-rated combination packaging shells for liquid crop protection chemicals, oxidising agents, and corrosive cleaners.
Replacing a conventional unimodal HDPE with Borealis HDPE HE1106 in six-layer fuel tank coextrusion shifts the critical control point from melt temperature alone to layer-to-layer viscosity ratios at the die lips. The regulatory anchor is UN Regulation No 34.03 for fuel tank mechanical strength and fire resistance, with evaporative emission testing under CARB TP-901 or EPA 40 CFR 86.1813 depending on the market. In the HDPE structural layers, the formulation is HE1106 virgin at 70–85 wt%, dry automotive regrind at 15–30 wt%, and carbon black masterbatch at 2.0–2.5 wt%; the barrier stack uses EVOH at 1.0–3.0 wt% of the total wall and anhydride-modified PE tie layers at 1.0–2.0 wt%. The coextrusion blow moulding line uses six extruders, with the HDPE extruder typically 90 mm diameter and L/D 30:1, melt temperature for the HE1106 layer at 200–230°C, die head temperature at 200–220°C, and parison drop length above 1.5 m for saddle tank preforms. Published data for this specific multilayer configuration with HE1106 is limited; line validation therefore records regrind particle size distribution, melt-filter pressure rise, and continuous wall thickness at the saddle radii rather than extrapolating from monolayer blow moulding data. Terminal products include 45–80 L passenger car fuel tanks, 30–60 L tractor and off-road fuel tanks, and 10–30 L diesel exhaust fluid tanks.
| Downstream track | Primary standard | Test designation / clause | Control parameter |
|---|---|---|---|
| UN industrial packaging | 49 CFR 178.509 | Drop test, conditioning at -18°C | No leakage or rupture after 1.8 m drop for X-rated packagings |
| Food sheet and thermoformed packaging | EU Regulation (EC) No 10/2011 | Annex II, overall migration | ≤10 mg/dm² for food simulants |
| Food sheet and thermoformed packaging | FDA 21 CFR 177.1520 | Olefin polymer clearance | Use in contact with fatty and aqueous foods per specified extractive limits |
| Automotive fuel tanks | UN Regulation No 34.03 | Mechanical strength, fire resistance | No leakage after impact; fire resistance per Annex 5 |
| Pharmaceutical bottles | USP <661.1> | Physicochemical tests | Total organic carbon and UV limits per monograph |
| Blow moulded handleware bottles | UN Model Regulations Chapter 6.1 | Stack load and closure leakage | No leakage at 100 kPa for liquids with vapour pressure above 110 kPa at 50°C |
Borealis HDPE HE1106 in natural or white-tinted sheet form is converted to 0.30–0.80 mm roll-fed or in-line sheet for thermoforming dairy cups and trays. Food-contact compliance is anchored to EU Regulation (EC) No 1935/2004 Article 3, Commission Regulation (EU) No 10/2011 Annex II overall migration, FDA 21 CFR 177.1520, and GB 4806.6-2016. A standard sheet formulation comprises HE1106 at 96–98 wt%, white masterbatch at 2–4 wt%, processing aid at 0.02–0.06 wt%, and non-migratory antiblock at 0.1–0.3 wt% when downstream stacking or roll storage requires surface separation. The extrusion line uses a 90 mm single-screw extruder with L/D 33:1, a gear melt pump, a 200–400 µm rated screen changer, a flat die with restrictor bar, and a three-roll polishing stack; melt temperature is 210–240°C, roll surface temperature is maintained 20–40°C below the web temperature, and line speed is 20–60 m/min. The forming stage applies plug-assisted draw ratios up to 3.0; sheet gauge variation must remain within ±0.05 mm at 0.4 mm because thinning at the cup bottom radius controls top-load resistance. Terminal products include round and rectangular dairy cups, dessert pots, margarine tubs, and tamper-evident food trays with peelable film sealing flanges.
When a 250 mL agrochemical tight-neck bottle is converted on a 10-cavity blow moulding wheel, the use of Borealis HDPE HE1106 requires a shorter parison programming sequence than large jerrican tooling and a narrower melt-temperature band to preserve thread dimensional stability. The governing standards for this application are UN Model Regulations Chapter 6.1 for small containers, 49 CFR 178.509 for performance packaging, and USP <661.1> or Ph. Eur. 3.1.3 when the same line is qualified for pharmaceutical syrups and oral liquids. The compound is blended as HE1106 at 97–99 wt%, colour masterbatch at 1.0–2.5 wt%, slip additive at 0.05–0.15 wt%, and external lubricant at 0.02–0.05 wt%. The high-output wheel line uses reciprocating screw blow moulding with a 60 mm extruder, L/D 24:1, melt temperature 180–205°C, blowing needle pressure 0.4–0.6 MPa, and clamp force per cavity below 20 kN for thin-wall calibration. Operators control die swell by adjusting the die gap to maintain a preform wall thickness of 1.5–2.5 mm; below 1.2 mm, the thread forming region shows incomplete replication in the insert ring. Terminal products include 100 mL–1 L agrochemical bottles, 200 mL–500 mL over-the-counter pharmaceutical syrup bottles, and 150 mL–1 L personal care containers.
In handleware bottles for household chemicals and car care liquids, Borealis HDPE HE1106 is used in extrusion blow moulding cavities where the flash pocket acts as a pressure relief and orientation control channel. The product is classed under EU CLP Regulation (EC) No 1272/2008 for labelling, UN Model Regulations Chapter 6.1 for dangerous goods closures, and FDA 21 CFR 177.1520 when the line is also qualified for food-service condiment bottles. The formulation is HE1106 at 96–98 wt%, colour masterbatch at 2–4 wt%, slip/antistatic masterbatch at 0.1–0.3 wt%, and UV stabiliser masterbatch at 0.2–0.5 wt% for outdoor car care packaging. A single-station shuttle blow moulder with 80 mm extruder, L/D 24:1, melt temperature 185–215°C, blow pressure 0.5–0.7 MPa, and parison programmer with 30-point wall control is typical. The flash pocket depth must not be cut below 0.4 mm; below this value, the handle section exhibits short shot and the pinch-off weld in the base flash shows incomplete fusion at -18°C drop impact. Terminal products include 2–5 L handleware containers for car care liquids, 500 mL–5 L household bleach bottles, and 1–5 L food-service condiment bottles with tamper-evident closure fitments.
Concurrently, large-capacity intermediate bulk container shell production differs from tight-head jerrican moulding because the shot weight and parison hang time demand a high-melt-strength HDPE grade such as Borealis HDPE HE1106. Compliance for IBC shells is anchored to UN Model Regulations Chapter 6.5 for plastics IBCs, 49 CFR 178.706 for plastic IBC testing, and ISO 16106:2006 for transport packaging evaluation. A large-shot formulation comprises HE1106 virgin at 88–94 wt%, clean closed-loop regrind at 6–12 wt%, carbon black or UV masterbatch at 2–3 wt%, and antioxidant masterbatch at 0.05–0.15 wt%. The production line uses an accumulator head blow moulder with 20–50 kg shot capacity, grooved-feed extruder with L/D 24:1 to 30:1, melt temperature 180–205°C, die head temperature 185–200°C, blow pressure 0.5–0.7 MPa, and post-cooling fixtures holding the shell for 20–30 min before dimensional inspection. Wall thickness at the IBC outer shell is maintained at 2.0–4.0 mm; below 1.5 mm, the shell shows localised bulge at the mid-panel under 100 kPa hydraulic test. Terminal products include 500–1000 L IBC outer shells, 200 L open-top drums, and 150–300 L conical stacking containers for viscous chemical concentrates.
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Borealis HDPE HE1106 is a high-density polyethylene injection moulding grade supplied as natural pellets. The grade is specified by melt flow rate and density rather than by a single polymerisation technology; the relevant values are 6.0 g/10 min and 0.958 g/cm³ when measured according to ISO 1133-1:2022 and ISO 1183-1:2019. These figures place the material in the high-flow HDPE class for thin-wall rigid packaging, closures, caps, and technical housewares. The material is not designed for extrusion blow moulding, blown film, or pipe extrusion because its melt strength is lower than that of dedicated low-melt-index HDPE grades.
Polymerisation control produces a molar mass distribution suited to rapid cavity filling and short cycle times. The exact polydispersity and branching content are not disclosed in the standard technical data sheet; published information is limited to application-oriented properties. In the absence of full molar mass data, practical differentiation is derived from melt flow rate, density, and mechanical benchmarks. The melt flow rate of 6.0 g/10 min is approximately 20 times higher than a 0.3 g/10 min extrusion blow-moulding grade, which lowers apparent melt viscosity at the same shear rate but reduces parison stability and melt strength for free-surface forming processes.
Representative values from injection moulded specimens conditioned under ISO 291 include tensile modulus of 1000 MPa by ISO 527-2 and notched Charpy impact strength at 23 °C of 6 kJ/m² by ISO 179-1/1eA. Tensile yield stress is approximately 24 MPa. These are single-point data for natural material and do not represent minimum or maximum specification limits. The stiffness-impact balance is characteristic of high-density polyethylene; it does not provide the low-temperature impact response of an impact copolymer such as polypropylene block copolymer or the high environmental stress crack resistance of a bimodal HDPE pipe resin.
The primary separation between HE1106 and extrusion HDPE is melt rheology. A low melt flow rate of 0.3 g/10 min creates high molecular weight, high entanglement density, and elevated melt strength; these are required for parison hang stability in extrusion blow moulding and for burst pressure retention in thick-walled pipe. The injection moulding grade uses a higher melt flow rate of 6.0 g/10 min, so flow length in thin-wall sections increases and injection pressure decreases. The trade-off is reduced environmental stress crack resistance and lower melt strength; such a material cannot be substituted directly into extrusion blow moulding tooling without risking parison sag and wall-thickness variation.
| Grade | Melt flow rate (ISO 1133-1) | Density (ISO 1183-1) | Primary conversion route |
| Borealis HE1106 | 6.0 g/10 min | 0.958 g/cm³ | Injection moulding |
| Borealis HE3361 | 0.3 g/10 min | 0.950 g/cm³ | Extrusion blow moulding |
| Borealis HE3490-LS | 0.3 g/10 min | 0.959 g/cm³ | Pipe extrusion |
The higher flow of HE1106 is associated with lower molecular weight than extrusion HDPE. This reduces tensile strength and environmental stress crack resistance relative to a bimodal pipe grade. The pipe grade derives long-term hydrostatic strength from high molecular weight and tie-chain density, while the injection grade derives productivity from lower viscosity. Substitution of HE1106 in a pipe application would not satisfy ISO 9080 long-term pressure design because the grade lacks the required creep rupture resistance. Conversely, substituting a 0.3 g/10 min pipe grade in an injection moulding tool would raise injection pressure and clamp force and could cause short shots in thin-wall sections. These differences are rheological, not merely categorical.
Compared with a high-flow polypropylene random copolymer used for closures, HE1106 has lower heat distortion resistance and lower optical clarity. Heat deflection temperature tested under 0.45 MPa by ISO 75-2 is lower for HDPE than for clarified polypropylene; this makes HE1106 less suitable for hot-filled or microwaveable containers. Polyethylene, however, offers higher environmental stress crack resistance in many surfactant systems and lower density. The choice between HE1106 and a closure-grade polypropylene is therefore driven by hot-fill requirements, liner adhesion, and hinge performance.
The melt temperature at the nozzle should be maintained between 210 °C and 250 °C. At the lower boundary, melt viscosity may be too high for thin-wall sections below 0.6 mm; at the upper boundary, oxidative degradation accelerates and cycle time increases because more heat must be removed by the mould. Mould temperature is normally set between 10 °C and 40 °C. Water-cooled tooling with turbulent flow in cooling channels is preferred; laminar flow reduces heat-transfer efficiency and increases cooling-time variation across multi-cavity tools.
Screw selection for HE1106 does not require a barrier screw because the polymer is not shear-sensitive in the same way as rigid PVC. A general-purpose polyolefin screw with L/D of 20:1 to 24:1 and compression ratio 2.5:1 to 3.0:1 is sufficient. The check ring should seal effectively; backflow increases shot mass variability. Back pressure of 0.5 MPa to 1.0 MPa is applied to homogenise the melt. Higher back pressure above 1.5 MPa can over-shear the melt and raise temperature beyond set-point, particularly on small shot sizes with long screw-recovery times.
A typical barrel temperature profile for HE1106 starts with the feed zone at 180 °C to 190 °C, compression zone at 200 °C to 220 °C, metering zone at 220 °C to 240 °C, and nozzle at 210 °C to 250 °C. The profile should be adjusted if screw recovery time exceeds cooling time or if melt temperature measured by pre-dispensed air shot exceeds 250 °C. An air-shot temperature of 250 °C or higher indicates excessive shear heating or incorrect back pressure.
Because HDPE is not hygroscopic, pre-drying is usually unnecessary. If pellets are stored in cold conditions and moved to a warm production hall, surface condensation can introduce moisture. In such cases, drying at 70 °C to 80 °C for 1 h to 2 h in a dehumidified-air dryer with a dew point of -20 °C or lower removes free moisture. Extended drying above 80 °C for more than 4 h provides no additional benefit and can increase energy consumption without changing melt quality.
Injection pressure for thin-wall caps and closures with wall sections below 1.0 mm typically falls between 80 MPa and 120 MPa. The exact value must be derived from flow-length-to-wall-thickness ratio, gate diameter, and melt temperature. Clamp force can be estimated from projected cavity area using 0.3 tonnes/cm² to 0.5 tonnes/cm² for high-flow HDPE, but deep ribs, long flow paths, and fast injection velocities increase cavity pressure. Published data for HE1106 across specific production moulds is limited; process capability studies on the intended tool are required before establishing alarm limits.
Mould shrinkage is an important dimension-control parameter. For HE1106, mould shrinkage tested on plaques according to ISO 294-4 is typically in the range of 1.5% to 2.5% after 24 h post-moulding. Shrinkage is higher in the flow direction and lower in the transverse direction; thick sections above 3 mm shrink more than thin walls below 1 mm. Tooling should be cut with allowance for anisotropic shrinkage if roundness or flatness is critical. Published data for this exact grade in multi-cavity closure tooling is limited, so tool trials with variable gate sizes are required.
Shot mass variation is a sensitive indicator of material viscosity change. For a multi-cavity closure mould, a shot mass standard deviation above 0.2% of mean shot mass across 30 cycles usually indicates check-ring leakage, feed-throat bridging, or melt temperature drift. The same method can detect regrind-induced shifts before dimensional defects appear. These process controls derive from generic high-flow HDPE production practice; HE1106-specific limits must be established on the installed equipment.
Residence time is a critical variable in injection moulding of HDPE. At melt temperatures above 250 °C, molecular weight reduction, odour generation, and yellowing can occur if the material remains in the barrel for longer than 5 min. Interruptions should trigger barrel emptying or purging with a lower-MFR HDPE. The decomposition onset of unstabilised polyethylene occurs above 300 °C under nitrogen by ISO 11358-1, but processing stabilisers are consumed over time; the practical limit is therefore lower than the thermal decomposition onset.
Regrind from sprues, runners, and rejected parts can be added at levels up to 20 wt% in non-food and non-pharmaceutical packaging. Each addition reduces the average molecular weight slightly through shear history and oxidation, shifts the melt flow rate upward, and can increase part mass variation. If the final article requires food-contact compliance, regrind use must be restricted to the same grade and declared by the converter under EU Regulation 10/2011 and FDA 21 CFR 177.1520. The use of mixed-plant waste is not covered by a single material declaration.
Moisture is not a significant solvation risk because HDPE is non-polar, but wet pellets can create surface splay and reduce melt temperature consistency. Hopper magnets and screen packs do not remove moisture; only dry-air contact at the pellet surface does. If moisture is suspected, shot mass variation and nozzle drool should be recorded before committing to processing changes.
Applications for Borealis HDPE HE1106 include injection moulded closures, thin-walled containers, caps, and rigid housewares. In carbonated beverage closures, the grade is typically combined with an oxygen-barrier liner or a barrier layer; the polyethylene grade itself is not an oxygen barrier. In thin-wall food containers, final compliance with EU Regulation 10/2011 and FDA 21 CFR 177.1520 depends on the grade-specific declaration, migration testing, and the finished article’s surface-to-volume ratio. The standard density of 0.958 g/cm³ provides dimensional stiffness, while the 6.0 g/10 min MFR enables high-cavitation tooling to fill at lower injection pressure than a 0.3 g/10 min grade.
For exterior exposure, HE1106 must be modified with carbon black masterbatch at 2 wt% to 3 wt% or a suitable hindered-amine light stabiliser. Weathering validation under ISO 4892-2 is required for the final formulation; natural HDPE degrades rapidly under ultraviolet radiation and loses tensile elongation. Chemical resistance is consistent with high-density polyethylene: strong oxidising acids, chlorinated hydrocarbons, and aromatic solvents can cause softening or environmental stress cracking. Environmental stress crack resistance evaluation under ASTM D1693 is necessary for detergent packaging, agricultural chemical containers, and any part under constant strain.
| Property or requirement | Method or reference | Value/Status for HE1106 |
| Melt flow rate | ISO 1133-1 | 6.0 g/10 min |
| Density | ISO 1183-1 | 0.958 g/cm³ |
| Tensile modulus | ISO 527-2 | 1000 MPa |
| Tensile yield stress | ISO 527-2 | 24 MPa |
| Notched Charpy impact at 23 °C | ISO 179-1/1eA | 6 kJ/m² |
| EU food contact | EU Regulation 10/2011 | Grade-specific declaration required |
| US food contact | FDA 21 CFR 177.1520 | Olefin polymer; subject to end-use conditions |
| Outdoor weathering | ISO 4892-2 | Requires UV stabilisation |
| Environmental stress crack resistance | ASTM D1693 | Application-dependent verification required |
