LyondellBasell HDPE M5365X01
- Product Name: LyondellBasell HDPE M5365X01
- Factroy Site: Yudu County, Ganzhou, Jiangxi, China
- Price Inquiry: admin@ascent-chem.com
- Manufacturer: Ascent Petrochem Holdings Co., Limited
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- LyondellBasell HDPE M5365X01 is typically used in formulations when melt flow rate, density, and molecular weight distribution, and melt temperature, injection pressure, and mold temperature must be controlled within specific ranges.
| HS Code | 631255 |
| Material Type | High Density Polyethylene (HDPE) |
| Density | 0.953 g/cm³ |
| Melt Index 190 C 2 16 Kg | 6.5 g/10 min |
| Tensile Strength At Yield | 26 MPa |
| Tensile Elongation At Break | 600% |
| Flexural Modulus | 1100 MPa |
| Vicat Softening Temperature | 126 °C |
| Heat Deflection Temperature At 0 45 Mpa | 70 °C |
| Shore D Hardness | 65 |
| Thermal Conductivity | 0.45 W/m·K |
| Melting Point | 130 °C |
| Water Absorption | <0.01% |
| Color | Black |
| Uv Stabilization | Yes |
As an accredited LyondellBasell HDPE M5365X01 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | LyondellBasell HDPE M5365X01 is supplied in 25 kg bags, typically palletized at 1,375 kg per pallet for shipment. |
| Container Loading (20′ FCL) | 20′ FCL container loading for LyondellBasell HDPE M5365X01: palletized 25 kg bags, shrink-wrapped and secured, loaded within weight limits. |
| Shipping | LyondellBasell HDPE M5365X01 ships as non-hazardous polyethylene pellets, typically in 25 kg bags on stretch-wrapped pallets, octabins, or bulk trucks/railcars. Keep dry and clean during transport; protect from moisture, contamination, and direct sunlight. Store in a cool, dry, well-ventilated area. No UN hazard class or special placards required. |
| Storage | Store LyondellBasell HDPE M5365X01 in a cool, dry, well-ventilated area, away from direct sunlight, heat, ignition sources, and moisture. Keep original containers or bags tightly closed. Avoid contact with strong oxidizers. Prevent dust generation and accumulation. Maintain temperatures below 50°C (122°F). Protect from UV and weathering. Follow local regulations and the manufacturer’s safety data sheet. |
| Shelf Life | Shelf life is typically 12–24 months when stored unopened in a cool, dry, ventilated area away from direct sunlight and moisture. |
Across high-cavitation lines producing 5 L to 25 L open-top HDPE pails, LyondellBasell HDPE M5365X01 is processed as the primary resin at 95–97 wt%, with a polyethylene-carrier color masterbatch at 2–4 wt%, a UV stabilizer masterbatch at 0.1–0.3 wt% for exterior stack storage, and a processing aid at 0.05–0.2 wt% when valve-gated tooling reaches injection velocities above 120 mm/s. Food-contact pails are qualified under FDA 21 CFR 177.1520 and Regulation (EC) No 10/2011; removable-head dangerous-goods pails require certification under UN Model Regulations Chapter 6.1 in 1H2 or 3H2 formats with drop and stack test results retained in the packaging test report. The injection molding window uses nozzle melt temperature 190–230 °C, mold surface temperature 10–30 °C, screw L/D 20:1 to 25:1, and compression ratio 2.2:1 to 2.5:1; hot-runner valve gates are used on multi-cavity tools. For a 15 L pail, clamp force per cavity is 50–100 t, hold pressure is 30–60 MPa, and cooling time is 15–30 s at wall section 2.5–4.0 mm. Batch-to-batch masterbatch moisture above 0.1% induces silver streaking around valve-gate vestiges; when storage RH exceeds 60%, masterbatch is dried at 80 °C for 2 h before blending. End-product types include food-ingredient buckets, agricultural water-dispersible pails, and UN-certified removable-head industrial containers.
What Changes When HDPE M5365X01 Replaces Polypropylene in Returnable Beverage Crates?
The substitution of polypropylene with HDPE M5365X01 in returnable beverage crates is executed with virgin HDPE at 60–80 wt%, clean in-plant regrind at 20–40 wt%, and color masterbatch at 1–2 wt%; compliance falls under Directive 94/62/EC Annex II heavy-metal limits and REACH Regulation (EC) No 1907/2006 SVHC limits below 0.1 wt%. Injection molding at melt temperature 190–240 °C, mold temperature 15–25 °C, wall section 2.0–3.0 mm, and hold pressure 25–45 MPa produces 24-bottle open crates, dairy crate shells, and stack-only distribution crates; when regrind exceeds 40 wt%, notched Charpy impact per ISO 179-1/1eA and ESCR per ASTM D1693-15 condition B decline, so in-plant regrind is capped below that level.
If Flow Length and Short-Shot Margins Control Thin-Wall Dairy Cup Production
Short-shot margins in thin-wall dairy cups with 0.8–1.2 mm sidewalls are governed by the interaction of melt temperature, injection velocity, and hot-runner valve-gate response. For HDPE M5365X01, the formulation window in high-speed stack molds is virgin HDPE at 96–98 wt%, a PE-based slip/antiblock masterbatch at 0.5–1.5 wt%, and a nucleating agent masterbatch at 0.05–0.1 wt% to control warpage when ejection temperatures exceed 80 °C. Food-contact compliance requires Regulation (EC) No 10/2011 with overall migration below 10 mg/dm² and FDA 21 CFR 177.1520; migration testing uses aqueous simulant exposure of 10 days at 40 °C and fatty-food simulant exposure of 2 h at 70 °C according to the regulation’s testing annexes. Molding is performed on stack tools with needle-valve hot runners and 2+2 to 4+4 cavitation. The nozzle melt temperature is held at 200–220 °C, mold temperature at 10–20 °C, injection velocity at 120–250 mm/s, hold pressure at 30–60 MPa, and cooling time at 6–14 s. If injection velocity exceeds 250 mm/s, gate blush around the valve pin increases; below 120 mm/s, short-shot risk on 0.8 mm sidewalls rises in unattended production. Ejection deformation becomes the critical defect when residual part temperature exceeds 85 °C. End-product types include dairy tubs, yogurt cups, portion cups, and snap-on lids.
| Parameter | Lower limit | Upper limit | Unit | Critical constraint |
|---|---|---|---|---|
| Nozzle melt temperature | 200 | 220 | °C | Short-shot below lower limit |
| Mold surface temperature | 10 | 20 | °C | Warpage above upper limit |
| Injection velocity | 120 | 250 | mm/s | Gate blush above upper limit |
| Hold pressure | 30 | 60 | MPa | Sink marks below lower limit |
| Cooling time | 6 | 14 | s | Ejection deformation above upper limit |
| Back pressure | 0.2 | 0.6 | MPa | Colorant dispersion |
Fish and fresh-food logistics boxes molded from HDPE M5365X01 as the outer shell operate with direct wet food contact and require FDA 21 CFR 177.1520 and Regulation (EC) No 10/2011; for fresh fish in ice, the HDPE shell is molded at 100 wt% virgin resin with color masterbatch at 2–4 wt%, while post-consumer recyclate is excluded from the food-contact layer. In non-food aquaculture handling, clean in-plant regrind is added at 20–30 wt%. The injection molding process uses melt temperature 190–230 °C, mold temperature 10–25 °C, wall section 3–5 mm, hold pressure 40–70 MPa, and cooling time 30–50 s to prevent sink marks around stacking bosses and hinge areas. After shell demolding, polyurethane foam is injected into the cavity as a separate two-component system; mechanical interlocking ribs provide adhesion because published peel-strength data for HDPE-PU foam interfaces is limited. End-product types include fresh fish transport boxes, insulated food logistics boxes, and chilled seafood shipping boxes.
| Reference standard | Scope | Critical limit |
|---|---|---|
| FDA 21 CFR 177.1520 | Olefin polymers in food-contact articles | High-density homopolymer compliance under intended temperature conditions |
| Regulation (EC) No 10/2011 | Plastic materials and articles for food contact | Overall migration < 10 mg/dm² |
| REACH Regulation (EC) No 1907/2006 | SVHC in articles | < 0.1 wt% per article |
| Directive 94/62/EC | Packaging heavy metals | Pb + Cd + Hg + Cr(VI) < 100 mg/kg |
| UN Model Regulations Chapter 6.1 | Dangerous goods packaging | Removable-head drop and stack certification for 1H2/3H2 |
Abrasion-Resistant Logistics Trays and Automated Warehouse Dunnage
Automated warehouses that handle 600 mm × 400 mm injection-molded trays require consistent flatness across the base grid and low edge deflection under returnable-loop wash temperatures of 60–80 °C. HDPE M5365X01 is formulated with virgin HDPE at 90–95 wt%, carbon black masterbatch at 2–3 wt% for outdoor storage protection, and antioxidant masterbatch at 0.2–0.5 wt% to limit oxidative embrittlement during hot washing. Compliance for non-food logistics packaging is governed by Directive 94/62/EC heavy-metal limits and REACH Regulation (EC) No 1907/2006; when trays contact unpackaged food, FDA 21 CFR 177.1520 and Regulation (EC) No 10/2011 apply. Injection molding uses multi-point cold sprue or hot-runner tools at melt temperature 190–230 °C, mold temperature 15–25 °C, injection pressure 80–120 MPa, and ribbed-base packing pressure 40–60 MPa for 8–15 s. End-product types include stack-and-nest logistics trays, bakery trays, and conveyor-compatible automated warehouse dunnage.
Dense-Stack Housewares and Storage Boxes Under Constant Top-Load
Under sustained top-load in 40 °C storage mezzanines, HDPE storage boxes require wall-thickness distribution that avoids creep buckling at the lower third of the sidewall. HDPE M5365X01 is processed at 97–99 wt% with color masterbatch at 1–3 wt% and, for food-storage variants, a PE-based slip additive at 0.1–0.3 wt%; external lubricants are omitted where FDA 21 CFR 177.1520 compliance is required. Food-contact articles additionally require Regulation (EC) No 10/2011 migration testing; non-food housewares fall under REACH Regulation (EC) No 1907/2006. Processing is performed on single- or multi-cavity injection machines with melt temperature 190–230 °C, mold temperature 10–28 °C, and clamping force calculated at 0.4–0.6 t/cm² projected area. For a 60 L modular storage box, hold pressure is 35–55 MPa, cooling time is 25–45 s, and core deflection must be below 0.15 mm to prevent wall-thickness variation above 0.2 mm. End-product types include stackable storage boxes, hinged-lid houseware bins, and freezer-safe food storage containers.
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- LyondellBasell HDPE M5365X01 is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: admin@ascent-chem.com.
LyondellBasell HDPE M5365X01 is an injection-moulding high-density polyethylene supplied as natural pellets. The product is characterised by a nominal melt flow rate of 5.0 g/10 min when tested under ASTM D1238 at 190 °C with a 2.16 kg load, and a nominal density of 0.953 g/cm³ when tested under ASTM D1505. These values place the grade between low-melt-flow blow- and pipe-grade HDPE and high-flow thin-wall HDPE. The material is used in injection-moulded rigid containers, crates, caps and closures, housewares, automotive interior parts, and industrial packaging where stiffness, dimensional stability, and moderate impact resistance are required.
On production-scale injection-moulding machines, the melt exhibits limited shear thinning compared with broad-bimodal HDPE. The consequence is that increasing injection speed does not produce the same progressive reduction in melt viscosity observed with broad-molecular-weight-distribution materials; nozzle pressure tends to flatten at high injection rates. Converters therefore set hold pressure as the primary variable for filling thin ribs and hinge sections. Published data for this specific configuration is limited, and tool-filling simulation using supplier MFR and density data is recommended before transferring multi-cavity tooling.
What distinguishes M5365X01 from pipe and blow moulding HDPE grades?
Pipe-grade HDPE typically has a high melt viscosity with a melt flow rate below 1.0 g/10 min and a density near 0.945 g/cm³ to 0.950 g/cm³; the broad or bimodal molecular weight distribution supports long-term hydrostatic strength, but increases injection fill pressure and limits flow length in thin walls. Blow-moulding HDPE often has a melt flow rate of 0.3 g/10 min to 2.0 g/10 min and higher melt strength for parison stability; using it in injection moulding can produce short shots and elevated screw torque. M5365X01, with a melt flow rate of 5.0 g/10 min, fills thin sections at lower injection pressure while retaining higher modulus than film grades with density below 0.950 g/cm³. Compared with high-flow HDPE at 20 g/10 min to 60 g/10 min, M5365X01 has higher notched impact strength and better creep resistance, but requires higher pack pressure and longer gate-seal time.
Barrel temperature profiles for this grade are typically set from 190 °C in the feed zone to 220 °C at the nozzle, with measured melt temperatures between 230 °C and 250 °C. Mold temperatures of 15 °C to 40 °C are used, with the lower portion of the range reserved for short-cycle packaging and the upper portion for automotive components needing lower residual stress. A general-purpose polyolefin screw with L/D 20:1 to 24:1 and compression ratio 2.5:1 to 3.5:1 is sufficient; high-shear mixing sections are not required and may generate local melt-temperature spikes above 270 °C. At melt temperatures above 270 °C, oxidative chain scission can increase melt flow rate by more than 0.5 g/10 min per pass and produce gel-like inclusions. Hold pressure is normally set between 40 MPa and 70 MPa; pressures below 40 MPa increase sink marks in thick bosses, while pressures above 70 MPa can cause flash and anisotropic shrinkage that promotes warpage. Pellets do not require drying unless condensation or surface moisture is present; if stored at relative humidity above 60 %, drying at 80 °C for 2 hours is recommended.
Mechanical integrity and dimensional stability under load
Typical mechanical properties from supplier technical data include a tensile yield stress of 25 MPa to 27 MPa under ISO 527-2 and a flexural modulus of 1,100 MPa to 1,200 MPa under ISO 178. Notched Izod impact strength at 23 °C is reported in the range of 4.0 kJ/m² to 5.0 kJ/m² under ISO 180/A. The Vicat softening temperature under ISO 306/A50 is in the range of 125 °C to 128 °C. Deflection temperature under 0.45 MPa by ISO 75-2/B is approximately 75 °C. Shore D hardness under ISO 868 is approximately 64. These values indicate the material is intended for rigid, moderately load-bearing parts, not for flexible closures with high pin mobility. Tensile elongation at yield is approximately 8 % to 12 %, and elongation at break is above 600 %; local necking is therefore not expected in moulded parts under normal service loads. Low-temperature impact drops when the part is moulded at cold mold temperatures or when high levels of regrind are used; moulded-in stress from rapid cooling reduces crack initiation energy at 0 °C and below.
| Property | Test method | Nominal value |
|---|---|---|
| Melt flow rate | ASTM D1238 | 5.0 g/10 min |
| Density | ASTM D1505 | 0.953 g/cm³ |
| Tensile yield stress | ISO 527-2 | 25–27 MPa |
| Flexural modulus | ISO 178 | 1,100–1,200 MPa |
| Notched Izod impact strength, 23 °C | ISO 180/A | 4.0–5.0 kJ/m² |
| Vicat softening temperature | ISO 306/A50 | 125–128 °C |
| Shore D hardness | ISO 868 | 63–65 |
Linear mould shrinkage for this density class is typically 0.015 mm/mm to 0.025 mm/mm; for M5365X01, published data for a 2 mm plaque indicates the upper portion of this range because of the moderate molecular weight. Gate-seal time in a 2 mm wall section under 220 °C melt is approximately 5 s to 7 s. Packing before gate freeze controls sink marks; increasing hold pressure from 40 MPa to 70 MPa reduces volumetric shrinkage in the thick rim but increases differential shrinkage between the rib and the adjacent wall. To reduce warpage in rectangular containers, a uniform mold temperature of 20 °C to 25 °C or conformal cooling channels are used; unbalanced cooling can produce corner-to-corner distortion of 0.5 mm to 1.5 mm per 300 mm length. Long gate land and moderate injection speed are preferred over very high speed to avoid jetting and weld-line weakness in parts with multiple gates.
When lower-melt-flow resins are replaced in thin-wall tooling
When a converter replaces a 2.0 g/10 min blow-moulding or general-purpose HDPE with M5365X01, injection pressure at the machine may fall by 20 % to 30 % for the same fill time, but the pack-pressure requirement remains similar because the higher melt flow also reduces gate-freeze time. To maintain part weight and impact, pack-pressure settings should be raised by 5 MPa to 10 MPa rather than reducing clamp force. Cooling time can be shortened by 10 % to 15 % if the mold temperature is maintained at the lower end of the recommended range. Conversely, replacing a 20 g/10 min high-flow grade with M5365X01 may increase filling pressure by 10 % to 20 %; the advantage is improved notched Izod impact and higher creep resistance in lids and crates. Existing hot-runner systems should be checked because the higher viscosity can cause imbalance in multi-cavity tools; valve gates may require opening 0.2 mm to 0.5 mm larger than settings used for very high-flow HDPE. Published data for this specific configuration is limited, and actual changes depend on part geometry, gate size, and screw recovery.
In 5 L pail production, the grade is processed with a melt temperature of 230 °C and mold temperature of 25 °C; the resulting side-wall thickness can be reduced from 1.8 mm to 1.5 mm compared with a 2.0 g/10 min HDPE while retaining top-load deformation below 2 mm after 24 h at 23 °C under 50 kg. For caps and closures, M5365X01 provides adequate hinge flex life and higher stiffness than a 0.949 g/cm³ grade but lower environmental stress-crack resistance than butene-rich HDPE copolymers; detergent cap applications should be tested under ASTM D1693 Condition B at 50 °C. For automotive interior parts such as heating duct housings and seat backs, the material can be moulded without external release agents when the tool surface is maintained above 15 °C. The grade is not UV-stabilised for exposed exterior use.
The X01 suffix refers to a stabiliser package, not a separate resin composition
The suffix X01 in LyondellBasell HDPE M5365X01 identifies a particular additive and neutraliser formulation rather than a distinct base-resin composition. The base resin is a high-density ethylene polymer with a narrow-to-medium molecular weight distribution. The stabiliser system provides melt-processing stability during multiple heat histories. In practice, processors running 30 % regrind of the same grade report a melt flow rate increase below 0.3 g/10 min after five passes when melt temperature is kept below 250 °C. At higher temperatures or longer residence times, the stabiliser is consumed faster and discolouration may appear. The X01 package is not an external UV-stabilisation package; outdoor parts require a UV masterbatch or an alternate grade. Colour concentrate compatibility should be verified; strong amine-based additives are generally not used with this olefin grade because they can interfere with the acid-neutraliser package and produce plate-out on mould vents. The grade is not classified as hazardous under CLP; as a polymer it is exempt from registration under REACH, although monomer and additive components are registered.
For food-contact use, converters must confirm that the finished article meets FDA 21 CFR 177.1520 or EU Regulation 10/2011 as applicable. Compliance is use-dependent: the food simulant, contact temperature, contact time, and article thickness determine specific migration limits. The as-produced pellet may be suitable for repeated-use articles at room temperature, but high-temperature hot-fill or microwave applications require additional end-testing because the HDPE matrix softens above 75 °C under load. The material is not recommended for continuous immersion in strong oxidising acids, concentrated aromatic solvents, or long-term weathering without proper stabilisation. For electrical and electronic equipment, the resin is expected to comply with RoHS Directives 2011/65/EU and 2015/863/EU for lead, mercury, cadmium, hexavalent chromium, PBB, and PBDE as a non-halogenated polyolefin; suppliers provide confirmatory documentation when required.
| HDPE family | Nominal melt flow rate | Nominal density | Primary distinction from M5365X01 |
|---|---|---|---|
| M5365X01 | 5.0 g/10 min | 0.953 g/cm³ | Balanced injection-moulding stiffness and impact |
| Pipe grade | 0.2–0.8 g/10 min | 0.945–0.950 g/cm³ | Higher melt viscosity and hydrostatic strength; unsuitable for thin-wall injection |
| Blow-moulding grade | 0.3–2.0 g/10 min | 0.950–0.956 g/cm³ | Higher melt strength and parison stability; lower injection fill capability |
| High-flow injection grade | 20–60 g/10 min | 0.952–0.955 g/cm³ | Lower fill pressure but reduced impact and creep resistance |
Container lid and pail converters using this grade typically validate production by measuring part mass, top-load creep under ASTM D2990, and drop impact at -18 °C after conditioning for 48 h. The acceptance criteria are set by the end-use specification, not by the resin datasheet. Published data for specific pail geometries is limited, so pilot trials remain the controlling step.
