| HS Code | 117382 |
| Material Type | High Density Polyethylene (HDPE) |
| Density | 0.955 g/cc |
| Melt Flow Rate | 0.350 g/10 min |
| Tensile Strength At Yield | 26.0 MPa |
| Tensile Elongation At Break | 500 % |
| Flexural Modulus | 1.10 GPa |
| Notched Izod Impact | 0.530 J/cm |
| Heat Deflection Temperature At 0 46 Mpa | 71.0 °C |
| Vicat Softening Point | 125 °C |
| Hardness Shore D | 65 |
| Water Absorption | 0.010 % |
As an accredited Amco Plastic Materials HDPE 1000950 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amco Plastic Materials HDPE 1000950 is supplied in 50 lb multi-wall paper bags, palletized for industrial shipping and storage. |
| Container Loading (20′ FCL) | Container loading (20′ FCL) of chemical Amco Plastic Materials HDPE 1000950, securely stowed, labeled, and prepared for export shipment. |
| Shipping | Amco Plastic Materials HDPE 1000950 is a non-hazardous, high-density polyethylene resin shipped as solid pellets in bags, boxes, or bulk containers. It is not DOT/IMDG/IATA regulated, requires no placards, and should be kept dry and clean during truck, rail, or sea transport. Standard industrial handling applies. |
| Storage | Store Amco Plastic Materials HDPE 1000950 in a cool, dry, well-ventilated area away from direct sunlight, heat, sparks, and open flames. Keep containers tightly closed to prevent moisture and contamination. Store in original packaging, separate from strong oxidizing agents, and avoid generating or accumulating dust. Protect from physical damage and follow local regulations and the manufacturer’s SDS. |
| Shelf Life | Amco Plastic Materials HDPE 1000950 shelf life is generally indefinite when stored cool, dry, and away from direct sunlight. |
In extrusion blow molding, HDPE 1000950 is processed as a parison-forming melt with a die exit temperature range of 175 °C to 210 °C, though actual settings shift with accumulator head size, die gap, and ambient humidity near the mold area. The nominal resin density of 0.950 g/cm³ provides a balance between top-load rigidity and environmental stress crack resistance, but the converter must control regrind addition because repeated heat exposure lowers the high-molecular-weight tail that resists slow crack growth in aggressive filling lines. Observed on shuttle machines using 24:1 L/D single-screw extruders, a barrel profile of 180 °C feed, 195 °C compression, and 205 °C metering typically delivers a melt temperature of approximately 198 °C at the head; die head temperatures above 220 °C induce parison sag and wall thinning in the pinch-off zone, while melt temperatures below 170 °C create melt fracture at the die lip and rough inner surfaces. Die swell for this density range commonly falls between 30% and 60%, requiring die diameter offset from the final container diameter. Pre-drying is not routinely required, but when regrind storage humidity exceeds 0.05 wt% moisture or surface condensation is present, hopper drying at 70 °C for 2 h reduces internal bubble defects and surface pitting.
Formulation adjustments are limited to external masterbatches because the base resin is supplied as a ready-to-convert pellet. Color concentrate addition ranges from 1.0 wt% to 3.0 wt%, while UV stabilization packages are introduced at 0.1 wt% to 0.5 wt% for outdoor containers exposed to sunlight during distribution. Regrind is added at 10 wt% to 25 wt% in standard containers; above 30 wt%, ESCR retention must be re-qualified using ASTM D1693-15b Condition B because the loss of high-molecular-weight chains accelerates brittle failure in detergent and agrochemical bottle applications. Food-contact compliance is established under FDA 21 CFR 177.1520 and EU 10/2011, with overall migration required not to exceed 10 mg/dm² under EN 1186-1 test conditions. Pharmaceutical packaging evaluations rely on USP <661.1> and Ph.Eur. 3.1.3 when the converter supplies a manufacturer-specific compliance statement. Terminal products include dairy bottles, cosmetic containers, household chemical bottles, agrochemical containers, and industrial jerrycans.
| Standard or regulation | Scope | Test method | Typical criterion |
|---|---|---|---|
| FDA 21 CFR 177.1520 | Olefin polymers in food-contact articles | 21 CFR 177.1520 extraction tests | Base resin compositional compliance |
| EU 10/2011 | Plastic food-contact materials | EN 1186-1 | Overall migration ≤ 10 mg/dm² |
| USP <661.1> | Plastic pharmaceutical packaging components | Physicochemical test panel | pH, heavy metals, and nonvolatile residue limits |
| REACH Article 33 | SVHC communication duty | Supplier declaration | SVHC ≤ 0.1 wt% |
For multi-cavity cap tooling, the limiting process variable is not melt temperature alone but the relationship between gate freeze time and hold-pressure decay. In high-speed injection molding of HDPE 1000950, the screw melt is typically maintained at 210 °C to 250 °C, while the chilled mold is held at 8 °C to 15 °C to achieve cycle times of 4 s to 8 s for a 2.0 g closure. Injection pressure at the nozzle reaches 70 MPa to 120 MPa, with hold pressure set from 40 MPa to 70 MPa. The use of valve-gated hot runners reduces sprue waste and maintains gate temperature; however, premature gate freeze before hold pressure completion produces sink marks on the cap top surface. Hydraulic toggle machines with clamp force between 2,000 kN and 5,000 kN are standard for 32- to 96-cavity tools, and ejection is assisted by air blast after the part reaches a mold temperature below 40 °C. On glossy unfilled closures, optical profilometry routinely rejects sink mark depth above 0.02 mm, a threshold that becomes tighter with increased nucleation density and faster crystallization rates.
Addition ratios for cap molding often include a nucleating masterbatch at 0.05 wt% to 0.20 wt% to raise crystallization rate and reduce warpage in thin-walled geometries, while slip agent masterbatch is incorporated at 0.5 wt% to 2.0 wt% to lower removal torque from the core. Color concentrates are added at 1.0 wt% to 2.0 wt%. If the grade's melt flow rate under ASTM D1238 at 190 °C/2.16 kg falls below 2.0 g/10 min, thin-wall fill may be insufficient in caps with wall sections below 0.8 mm, and the tool must be rebalanced or the melt temperature raised within the 250 °C upper limit. Compliance for beverage and pharmaceutical closures follows FDA 21 CFR 177.1520 and EU 10/2011, with specific migration testing of the finished closure under EN 1186 and organoleptic evaluation per EN 1622. Terminal products include tamper-evident beverage closures, personal care flip-top caps, pharmaceutical closures, and chemical-resistant trigger sprayer inserts.
Corrugated drainage pipe manufacture uses the 0.950 g/cm³ density of HDPE 1000950 to produce a crush-resistant structure without requiring a pressure-rated resin classification. The main formulation requirement is UV stabilization: carbon black masterbatch is added at 2.0 wt% to 3.5 wt% to yield a carbon black content of 2.0 wt% to 2.5 wt% in the finished wall, as required for outdoor aging resistance under ASTM D3350 cell classification. Antioxidant masterbatch is added at 0.1 wt% to 0.3 wt%. In a corrugator line, a twin-screw extruder with 30:1 L/D delivers melt at 190 °C to 225 °C to a slot die, after which the parison is vacuum-formed into moving mold blocks cooled by water at 10 °C to 25 °C. The external wall is pulled under vacuum, and loss of vacuum at the block seals immediately produces shallow ripple defects and reduced ring stiffness. Ring stiffness is measured per ASTM D2412 or ISO 9969, while product compliance for non-pressure gravity flow pipe falls under ASTM F2306 and AASHTO M294. The grade is not recommended for continuous pressure pipe service because no PE100 rating is specified in the supplied data; non-pressure drainage and conduit applications are the appropriate boundary. Terminal products include agricultural field drains, roadside culvert pipe, cable duct sleeves, and stormwater retention chambers.
When addition of HDPE 1000950 to a linear-low-density polyethylene matrix exceeds 30 wt%, the blown film bubble enters a metastable neck region because the high-molecular-weight HDPE fraction increases melt viscosity and reduces the extensional compliance that LLDPE provides. In high-stalk film lines with a die gap of 1.2 mm to 2.0 mm and blow-up ratio of 3.0:1 to 4.5:1, the melt temperature is maintained from 190 °C to 230 °C across barrel zones of 175 °C, 195 °C, and 215 °C. The addition ratio of HDPE 1000950 in LLDPE-rich formulations spans 10 wt% to 40 wt% to raise the secant modulus of thin-gauge film; below 10 wt% the stiffening effect is marginal, while above 40 wt% machine-direction Elmendorf tear strength measured under ASTM D1922 declines sharply because of the oriented lamellar structure. Slip and antiblock masterbatch is added at 0.5 wt% to 1.5 wt% to control film-to-film blocking and coefficient of friction, which is measured under ISO 8295. Bubble frost line height is raised to 1.5 to 2.0 times the die diameter when HDPE concentration increases; otherwise stalk oscillation causes gauge bands visible as alternating thick-thin rings and downstream print registration faults.
Compliance for food-contact bag and liner applications follows FDA 21 CFR 177.1520 and EU 10/2011; for non-food secondary packaging, a manufacturer's statement of REACH compliance and absence of SVHC above 0.1 wt% is typically required. Terminal products include flattened grocery sacks, produce bags, interleaving film, and overwrap where high stiffness and low gauge are required. The process boundary is the film gauge range from 10 μm to 50 μm; below 10 μm the HDPE-rich blend often fails dart impact resistance measured under ASTM D1709 because of reduced transverse toughness.
Sheet extrusion of HDPE 1000950 for thermoformed load-bearing trays is operated with a melt temperature of 200 °C to 240 °C and a three-roll stack center roll temperature of 70 °C to 90 °C to produce sheet thicknesses from 0.5 mm to 8.0 mm. The roll stack gap and draw speed are set to avoid caliper oscillation; if the center roll temperature drops below 60 °C, the sheet cools too rapidly at the surface and develops residual stress that causes warp after thermoforming. Regrind addition from trim and skeletal waste is used at 20 wt% to 50 wt%, depending on tray stiffness and impact requirements; antioxidant masterbatch is added at 0.15 wt% to 0.30 wt% to protect against long-term thermal history, and UV stabilizer is added at 0.2 wt% to 0.5 wt% when trays are used outdoors. Thermoforming ovens are set at 160 °C to 200 °C, mold temperature is kept at 60 °C to 90 °C, and vacuum is pulled to -0.08 MPa to -0.095 MPa; insufficient vacuum or excessive sag before forming yields corner thinning below 70% of nominal wall thickness. Compliance includes FDA 21 CFR 177.1520 and EU 10/2011 for food tray applications, and REACH documentation for industrial dunnage. Terminal products include pallet top caps, automotive interior trim panels, industrial dunnage trays, and food service trays. Continuous service above 60 °C is not recommended without additional testing because the heat deflection temperature of 0.950 g/cm³ HDPE grades typically falls between 70 °C and 85 °C at 0.455 MPa under ASTM D648-18.
Monitoring peak internal air temperature during rotational molding of ground HDPE 1000950 is the primary method of preventing pinholes and oxidative embrittlement. Rotomolding requires the pellet to be ground to a powder passing 35 mesh (500 μm), with a typical size distribution between 150 μm and 425 μm; the powder is dry-blended with UV stabilizer at 0.25 wt% to 0.50 wt%, antioxidant at 0.10 wt% to 0.25 wt%, and pigment at 0.1 wt% to 0.3 wt%. The mold is rotated at a biaxial speed ratio of 4:1, oven air temperature is set from 280 °C to 320 °C, and the peak internal air temperature is controlled at 200 °C to 220 °C. If peak IAT remains below 190 °C, incomplete sintering creates void lines on the inner wall; if the peak and hold at temperature exceed 230 °C, the outer surface oxidizes and impact strength measured under ASTM D1998 declines. Cooling between 8 °C/min and 15 °C/min with forced air followed by water mist reduces warpage, but cooling faster than 15 °C/min on flat-wall tanks induces bow and internal stress. Compliance for food and potable-water contact parts is established under FDA 21 CFR 177.1520, EU 10/2011, and NSF/ANSI 51 for food equipment; for potable water, NSF/ANSI 61 testing must be completed on the finished tank. Terminal products include vertical storage tanks, intermediate bulk container liners, portable sanitation units, and material handling bins. Published data for this specific grade in rotomolding configurations is limited, so a plant trial with IAT logging is necessary to establish optimum oven time.
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Amco Plastic Materials HDPE 1000950 is a supplier-specific high-density polyethylene material code specified for semi-finished sheet, rod, and machined components. The numerical suffix is not an ASTM D4976 cell classification; it is a trade item identifier, and any specification requiring material certification should reference the distributor’s certificate of analysis for the exact lot. In design terms, the product is typically placed in the 0.950 g/cm³ density class when tested by ASTM D1505 or ISO 1183-1, and its processing behavior is generally comparable to low-melt-flow extrusion-grade HDPE. Open technical literature does not provide complete mechanical or rheological data for this exact supplier configuration, so the values presented below are a class-level property envelope rather than a certified product datasheet. Purchasers should require first-article testing under the relevant ASTM or ISO method before committing to production tooling.
For a high-density polyethylene with density near 0.950 g/cm³, melt flow rate commonly lies between 0.20 g/10 min and 0.80 g/10 min when tested per ISO 1133-1:2022 at 190 °C under 2.16 kg. This low-flow envelope supports molecular-weight-related properties such as tensile impact and environmental stress-cracking resistance, but it reduces spiral flow length and increases orientation sensitivity in thin-wall injection molding. Extrusion operations on a single-screw line with 24:1 to 30:1 L/D typically use a flat profile from feed zone to metering zone of 160–220 °C, with die zones held at 200–220 °C. Melt temperature at the adapter should not exceed 230 °C unless a stabilizer package is documented by the supplier, because prolonged residence at higher temperature initiates chain scission and gel speck formation. A barrier screw with compression ratio of 2.5:1 to 3.5:1 and head pressure of 10–20 MPa is typical for sheet lines. For injection molding, a general-purpose screw with non-return valve and full-round runner diameter of 6–8 mm is acceptable.
Rheological characterization should use ASTM D1238 Procedure A at 190 °C/2.16 kg and, when possible, ISO 1133-1:2022 under identical conditions. The high-load value at 21.6 kg provides a melt flow ratio used to detect molecular-weight distribution variation; extrusion grades commonly show ratios from 50 to 100, while narrow-molecular-weight injection resins may fall below 40. A reduction in melt flow rate after processing suggests crosslinking, whereas an increase suggests chain scission. Capillary rheometry over a shear-rate range of 100–5000 s⁻¹ is preferred for mold-filling simulation; without this data, simulation packages assume generic HDPE parameters and can under-predict pressure loss in small gates.
Thermal stability at the die is influenced by residence time and oxygen ingress. Extrusion equipment should maintain barrel zone overshoot within ±5 °C per zone because low-flow HDPE is sensitive to localized overheating. Melt filtration with a 60–100 mesh screen pack is common for sheet and profile lines; finer filtration may raise melt temperature by 3–5 °C. A melt pressure transducer at the adapter should alarm at 25 MPa to prevent screen pack rupture and screw bearing overload. Injection molding machines with shot size between 30% and 70% of barrel capacity are recommended to limit residence time. Pre-drying is generally unnecessary when the resin is stored in sealed containers; if surface condensation or regrind moisture produces splay, drying at 80 °C for 1–2 h is sufficient.
Short-term mechanical property values for an unfilled HDPE of the 0.950 g/cm³ class are supplied as an envelope in Table 1. Conditioning is assumed at 23 °C and 50% relative humidity. These values are general design references, not certified lot data for the 1000950 supplier code.
| Property | Test method | Typical class range |
|---|---|---|
| Density | ASTM D1505 / ISO 1183-1 | 0.945–0.960 g/cm³ |
| Melt flow rate | ASTM D1238 / ISO 1133-1 | 0.20–0.80 g/10 min at 190 °C, 2.16 kg |
| Tensile yield stress | ASTM D638 Type IV | 22–31 MPa |
| Elongation at break | ASTM D638 Type IV | 100–800% |
| Flexural modulus | ASTM D790 / ISO 178 | 900–1500 MPa |
| Shore D hardness | ASTM D2240 | 62–70 |
| Notched Izod impact at 23 °C | ASTM D256 | 150 J/m to no break |
| Heat deflection temperature at 0.455 MPa | ASTM D648 | 65–90 °C |
| Vicat softening temperature | ASTM D1525 | 120–128 °C |
| Brittleness temperature | ASTM D746 | < −70 °C |
The most significant short-term data gap for load-bearing design is flexural creep modulus. Under continuous load at 23 °C, unfilled HDPE exhibits creep that reduces apparent modulus by 40–60% after 1000 h; at 60 °C, the reduction is greater. Creep rupture testing per ASTM D2990 or ISO 899-1 should be specified for structural parts because short-term modulus alone overpredicts load capacity. Tensile impact properties are strain-rate dependent; values measured per ISO 8256 are not directly comparable to ASTM D1822, and substitution should be evaluated with identical specimen geometry.
Thermal conductivity of unfilled HDPE is approximately 0.40–0.50 W/m·K per ASTM C177, and the coefficient of linear thermal expansion is 1.3×10⁻⁴ to 2.0×10⁻⁴ m/m/°C per ASTM D696. These coefficients produce dimensional movement of 1.3–2.0 mm/m for a 10 °C temperature change, which is significant in welded tank structures and long-format sheet installations. Volume resistivity is typically above 10¹⁵ Ω·cm per ASTM D257, and dielectric strength at 3.2 mm thickness is commonly 18–24 kV/mm; these are generic HDPE class figures, not product-code values. Surface resistivity may decline in outdoor humidity or solvent-wetted service.
Chemical compatibility of the 1000950 grade should be based on immersion or contact-specific data, not on general tables alone. For aqueous mineral acids such as 10% hydrochloric acid and 30% sulfuric acid at 23 °C, the material typically shows acceptable weight gain and tensile retention for short-term exposure; however, these solutions are not neutral at elevated temperature. The product is not recommended for continuous service with aromatic hydrocarbons, ketones, esters, or chlorinated solvents because these penetrate the amorphous regions and lower stress-crack resistance. Environmental stress-cracking resistance is the critical failure mode for low-flow HDPE in the presence of surfactants, cutting fluids, or detergents. The accepted screening method is ASTM D1693, condition A or B, with 10% Igepal CO-630 at 50 °C. Because F50 values vary from lot to lot, a minimum value should be written into purchase specifications; generic 0.950 g/cm³ HDPE grades can fail at 50–100 h under stress in aggressive environments, while more resistant resins exceed 1000 h.
For food-contact and potable-water use, the resin must comply with FDA 21 CFR 177.1520 paragraph (c) 2.1 or 2.2 extraction limits and with NSF/ANSI 61 for drinking-water system components where applicable. For repeated-use food-contact articles in the European Union, compliance with Regulation (EU) No 10/2011 and EU 2020/1245 may be required. Antioxidant and processing-aid packages must be disclosed because migration limits under EU 10/2011 differ by substance; black and custom colors may contain carbon black or pigments that require separate evaluation. In outdoor service, unstabilized HDPE will chalk and decrease tensile elongation after prolonged UV exposure; a UV-stabilized version should be specified if continuous sunlight exposure exceeds 6–12 months, with verification by ASTM D2565 or ISO 4892-2. The supplier’s certificate should state ESCR test condition and notched versus unnotched result; a single value without condition is insufficient for stress-sensitive service.
On production-scale machining centers, HDPE stock plate identified as 1000950 has exhibited the same stress-relief movement and thermal expansion behavior as other 0.950 g/cm³ HDPE grades. Rough-machined parts should be allowed to relax at 23 °C for 24 h before finishing, and critical bores should be finish-machined after a temperature soak. If the sheet is welded by hot-gas or extrusion welding, the joint zone must be heated to 200–220 °C, held under uniform pressure, and cooled below 80 °C before handling. Joint efficiency under tensile test per ASTM D638 is typically limited to 70–90% of parent material yield when bevels are prepared and surface oxidation is removed by scraping. In hopper and chute lining service, drilled counterbores and stainless steel fasteners should allow for thermal expansion of 1.3×10⁻⁴ to 2.0×10⁻⁴ m/m/°C; fixed bolt patterns can cause buckling at 40–60 °C service temperature differences.
Machining tool geometry should use high clearance angles and polished chip channels; melting at the tool edge is a common bottleneck when surface speed exceeds 300 m/min on carbide inserts. For flame-retardant or electrical applications, no specific UL 94 flammability rating should be assumed unless documented, because unfilled HDPE burns under fire and flame-retardant additives can alter mechanical properties. Cavity pressure during injection packing is often 20–40 MPa, and gate freeze time should be established by short-shot and seal-time studies rather than by generic HDPE defaults. Published data for this exact 1000950 configuration is limited; first-article dimensional and mechanical qualification is required to map post-machining shrinkage and weld-joint performance.
When the 1000950 code is compared with melt-processable polyolefins, density and melt-flow positioning are the principal differences. Lower-density LDPE has higher ductility at low temperature but lower flexural modulus and higher gas permeability. Polypropylene homopolymer has higher heat deflection, but poorer sub-zero impact. UHMWPE has superior abrasion resistance and impact strength, but cannot be processed by ordinary screw plasticizing without gel formation. The comparison matrix in Table 2 uses short-term values from standard methods; it is not a substitute for part-specific testing.
| Material class | Density | Tensile yield stress | HDT at 0.455 MPa | Continuous-use range | Process route |
|---|---|---|---|---|---|
| HDPE 0.950 g/cm³ class | 0.945–0.960 g/cm³ | 22–31 MPa | 65–90 °C | −50 to 80 °C | Extrusion, injection, welding |
| LDPE | 0.915–0.925 g/cm³ | 8–15 MPa | 30–45 °C | −50 to 65 °C | Film extrusion, blow molding |
| PP homopolymer | 0.900–0.915 g/cm³ | 30–38 MPa | 90–110 °C | −10 to 105 °C | Injection, extrusion |
| UHMWPE | 0.930–0.945 g/cm³ | 17–24 MPa | 42–52 °C | −200 to 80 °C | Compression molding, ram extrusion, machining |
The 1000950 material code therefore occupies a mid-position in the polyolefin family: it retains conventional melt-processability and weldability, offers better rigidity and abrasion resistance than LDPE, but does not match the heat resistance of polypropylene homopolymer or the abrasion performance of UHMWPE. Its selection should be driven by a combination of chemical exposure, stress-cracking resistance, and fabrication route rather than by a single property comparison. The low melt flow supports sheet and profile extrusion, while the moderate thermal expansion and high elongation at break are advantageous for tank linings and ductwork where movement and impact occur. No single polyolefin grade satisfies all performance requirements; material substitution should be validated against the full processing and service envelope.
Receiving inspection should include verification of product code, lot number, density, melt flow rate, and ESCR if stress-sensitive service is intended. Containers should be kept closed, away from direct sunlight, and above 10 °C before processing to minimize condensation. Incompatible additives include nitrile rubber in scrap mixes and some organotin stabilizers; compatibility should be tested by melt blending and ISO 1133 flow checks before plant-scale mixing. If regrind is used, lot traceability and melt flow stability should be monitored because repeated heat history can shift viscosity and reduce ESCR.
