| HS Code | 469366 |
| Density | 0.919 g/cm³ |
| Melt Flow Rate 190 C 2 16 Kg | 9.5 g/10 min |
| Melting Point | 122 °C |
| Vicat Softening Temperature | 95 °C |
| Tensile Yield Strength | 9.5 MPa |
| Tensile Break Strength | 17 MPa |
| Elongation At Break | 800 % |
| Flexural Modulus | 220 MPa |
| Shore D Hardness | 48 |
| Brittleness Temperature | -70 °C |
As an accredited REVOLVE LLDPE M950 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | REVOLVE LLDPE M950 is packaged in 25 kg polyethylene-lined woven bags, palletized and stretch-wrapped for safe transport. |
| Container Loading (20′ FCL) | Loading 20′ FCL of REVOLVE LLDPE M950 involves palletized packing, even weight distribution, secure bracing, and container integrity for safe transport. |
| Shipping | REVOLVE LLDPE M950 is a linear low-density polyethylene resin supplied in virgin pellets. It is non-hazardous for transport, typically shipped in clean, dry bulk hoppers, FIBC bags, or lined containers. Protect from moisture, excessive heat, and direct sunlight; store in a dry, well-ventilated area. |
| Storage | Store REVOLVE LLDPE M950 in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and open flames. Keep containers tightly sealed to prevent moisture contamination and dust accumulation. Maintain stable temperatures to avoid deformation or degradation. Follow local regulations and ensure good housekeeping to minimize slipping hazards. |
| Shelf Life | Under proper storage conditions, REVOLVE LLDPE M950 has an indefinite shelf life; avoid moisture, heat, and direct sunlight. |
In pallet-unit load stabilization, REVOLVE LLDPE M950 is incorporated into three-layer A/B/C cast stretch film structures at 30–70 wt% in the core layer, while the skin layers carry LDPE or conventional C8-LLDPE plus a cling-modifier concentrate at 1.0–3.0 wt% and a polymer processing aid at 0.05–0.1 wt%. Converted film is tested for puncture resistance under ASTM D5748, peel cling force under ASTM D5458, and tensile elongation under ISO 527-3:2018; recycled-content claims, where applicable, are verified under ISO 14021 and EN 15343:2007. The core layer composition is set at 60–70 wt% when down-gauging to 12 µm, because lower M950 fractions increase dart drop variability by more than 8% on 3-layer cast equipment.
On a cast line equipped with a 30:1–33:1 L/D single-screw extruder and a 2500 mm die, melt temperature is maintained at 240–260 °C, die gap at 0.8–1.2 mm, air gap at 60–120 mm, and chill-roll temperature at 18–25 °C; line speed runs at 600–900 m/min. At the upper speed limit, chrome-plated die lips accumulate oligomer deposits when slip additive concentration exceeds 1.5 wt%, producing transverse gauge bands and reducing cling force by 10–20% on 19 µm film. Melt pump outlet temperature must not exceed 270 °C because oxidative gel formation accelerates, causing visible fish-eye defects above 3 gels/m². Terminal product types include machine stretch film at 12–35 µm, hand stretch film at 15–25 µm, and pre-stretched industrial pallet wrap. The grade is not recommended for direct food contact unless the complete multilayer structure is evaluated under EU 10/2011 or FDA 21 CFR 177.1520 and the recycled-content layer is placed behind a functional barrier.
Frost line height on high-output blown film lines acts as a primary tear-orientation control for heavy-duty industrial sacks. REVOLVE LLDPE M950 is added at 60–85 wt% with 10–25 wt% LLDPE/LDPE reclaim and 3–5 wt% carbon black masterbatch; a process aid at 0.5–1.0 wt% reduces melt fracture at high back pressure. The converted film is tested under ISO 527-3:2018 for tensile, ASTM D1922 for Elmendorf tear, ISO 7765-2 for dart impact, and ISO 21898:2004 when the liner is assembled into FIBC structures.
Processing uses a grooved-feed extruder with 55–75 mm screw diameter and 30:1 L/D, annular die gap 1.4–2.0 mm, blow-up ratio 2.5:1–3.2:1, melt temperature 190–210 °C, and frost line height maintained at 4–6 die diameters. When frost line drops below 3 die diameters, MD tear propagation falls by 15–20% and the film exhibits transverse tear anisotropy on production batches exceeding 500 kg. At a BUR above 3.2:1, bubble stability becomes sensitive to ambient air currents, increasing gauge variation to ±8% unless the line is enclosed. Batch-to-batch variation in recycled feedstock shifts melt viscosity by ±5%; screw speed is adjusted by 3–5 rpm per 10% variation in reclaimed fraction to maintain die pressure within 80–120 bar. Terminal products include FIBC inner liners at 80–120 µm, export shipping sacks at 60–100 µm, and industrial waste containment liners.
For multi-season greenhouse film exposed to more than 140 kLy yr⁻¹ solar radiation, REVOLVE LLDPE M950 is blended at 80–90 wt% with a HALS/Ni-quencher UV masterbatch at 8–12 wt% and an antioxidant masterbatch at 0.1–0.3 wt%. Compliance is assessed under EN 13206:2017 for thermoplastic agricultural films and ISO 4892-2:2013 accelerated weathering; tensile retention is measured on film samples at 150–200 µm. Where recycled content is claimed, the converter must retain documentation under EN 15343:2007.
Processing on a blown film tower uses a die gap of 1.8–2.4 mm, blow-up ratio 2.0:1–2.6:1, melt temperature 200–220 °C, and a dual-lip air ring with process air at 12–18 °C for gauge consistency. The UV masterbatch addition must be reduced to 6 wt% when the film is co-extruded with an LLDPE skin containing high EVA fractions, because interfacial migration of HALS stabilizers shortens UV protection in the core layer. Terminal products include greenhouse covering film at 150–200 µm, low-tunnel film at 50–80 µm, and silage covers at 100–150 µm.
Collation shrink film requires balanced MD/TD orientation at the die lip and controlled shrink-tension uniformity for bundling high-speed bottle lines. REVOLVE LLDPE M950 is run at 70–100 wt% with 0–30 wt% LDPE to raise transverse-direction shrink, plus 2–4 wt% antiblock masterbatch; slip additive is limited to 0.3 wt% because migration kinetics at low additive loadings prevent seal interference. Free shrink is measured under ASTM D2732 at 100 °C and 120 °C, with TD free shrink exceeding 45% at 120 °C in double-bubble processing; shrink tension is tested under ISO 14616.
The downstream process uses a single-bubble blown film line with die gap 1.2–1.6 mm, blow-up ratio 2.0:1, melt temperature 200–225 °C, or a double-bubble orientation unit where second-bubble temperature is held at 105–115 °C and transverse stretching is set at 1.8:1–2.2:1. Failure on the double-bubble line occurs when bubble temperature exceeds 120 °C and the film loses MD shrink below 30%, causing loose wraps on can multipacks. Addition of LDPE above 30 wt% reduces dart drop impact by 10–15% on 38 µm film, a known limit for automated bundling lines. Terminal products include bottle bundle film at 30–45 µm, can multipack film at 35–50 µm, and secondary overwrap for boxed consumer goods.
Corona treatment is applied immediately after casting to modify surface energy and lower heat-seal initiation in laminated flexible structures. REVOLVE LLDPE M950 is incorporated at 50–80 wt% in the sealant layer with 20–50 wt% LDPE or other LLDPE, 0.5–2.0 wt% slip/antiblock masterbatch, and 0.05–0.1 wt% polymer processing aid. The film is tested under ISO 527-3:2018 for tensile, ASTM F88/F88M for seal strength, and ASTM D2578 for wetting tension; for direct food contact the final laminate must comply with EU 10/2011 and FDA 21 CFR 177.1520.
Cast processing uses a die gap of 0.8 mm, melt temperature 240–260 °C, chill-roll temperature 18–22 °C, and line speed 250–400 m/min; corona power is set to achieve 38–42 mN/m on the treatment face. If corona wetting tension falls below 36 mN/m, delamination occurs at the print primer interface in outer-layer lamination. Terminal product types include sealant webs for stand-up pouches, printed laminated industrial films, and overlaminate films for non-direct food packaging.
Extrusion coating lines that run REVOLVE LLDPE M950 at coat weights below 15 g/m² encounter edge neck-in and melt-web instability if the melt temperature exceeds 315 °C, so the grade is blended at 60–100 wt% with 0–40 wt% LDPE and 0.05–0.1 wt% processing aid. The coating layer is applied through a 90 mm single-screw extruder with 30:1 L/D, die temperature 290–310 °C, chill-roll temperature 15–20 °C, coating line speed 300–600 m/min, and coat weight 15–25 g/m².
Compliance for liquid packaging board includes FDA 21 CFR 176.170(c) for paper and paperboard components, EU 10/2011 for plastic layers, and ISO 14021 where recycled-content claims are made. If the structure is intended for aseptic brick direct liquid contact, a virgin LDPE barrier layer of minimum 10 g/m² is required between the recycled-content layer and the filled liquid, and the entire laminate is then subjected to migration testing under EU 10/2011 Annex I. Published line-speed thresholds for this exact recycled-content grade in aseptic laminating are limited; the stated coat-weight and temperature ranges derive from conventional C8-LLDPE extrusion coating practice and require confirmation on the target line. Terminal products include aseptic brick laminates, paperboard-based industrial sacks, and extrusion-coated release paper.
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REVOLVE LLDPE M950 is a linear low-density polyethylene rotomoulding powder with a nominal density of 0.935 g/cm³ determined in accordance with ISO 1183-1 and a melt mass-flow rate of 5.0 g/10 min determined at 190 °C under a 2.16 kg load following ISO 1133-1. The grade is supplied for rotationally moulded storage tanks, agricultural liquid containment, marine buoyancy components, and general industrial covers where a mid-range flexural modulus and low-temperature impact resistance are required. The grade designation M950 distinguishes it from higher-density rotomoulding products through its balance of stiffness, stress-crack resistance, and powder flow. Published data for this specific configuration is limited; the values presented in this document derive from commercial LLDPE rotomoulding grade data sheets and should not replace a certificate of analysis.
| Property | Test method | Nominal value |
|---|---|---|
| Density | ISO 1183-1 | 0.935 g/cm³ |
| Melt mass-flow rate | ISO 1133-1, 190 °C, 2.16 kg | 5.0 g/10 min |
| Tensile yield stress | ISO 527-2 | 18 MPa |
| Tensile elongation at break | ISO 527-2 | >800% |
| Flexural modulus | ISO 178 | 600 MPa |
| Vicat softening temperature | ISO 306, method A50 | 116 °C |
| Environmental stress-cracking resistance, F50 | ASTM D1693, condition B | >1000 h |
The combination of 0.935 g/cm³ density and 5.0 g/10 min melt index positions M950 in a region where environmental stress-cracking resistance and flexural modulus are inversely related. Under ASTM D1693 condition B, grades in this density class typically exhibit F50 values above 1000 h when the melt index is below 5.5 g/10 min. Increases in comonomer content lower density and raise ESCR but reduce flexural modulus; decreases in comonomer content produce the opposite effect. For M950, the specified flexural modulus of 600 MPa tested under ISO 178 indicates a butene- or hexene-copolymerised LLDPE backbone with sufficient short-chain branching to suppress brittle failure in notched service conditions. The melt index of 5.0 g/10 min is higher than the 3.5 g/10 min typical of structural HDPE rotomoulding grades, permitting shorter oven cycles and better filling of narrow ribs, but it reduces melt strength during the sintering phase. The operational consequence is that peak internal air temperature should be controlled below 210 °C to prevent bubble coalescence and carbonyl formation.
Powder dry flow measured through a 2.5 mm orifice is typically in the range of 25 s/100 g to 35 s/100 g. The particle size distribution retains 95% on a 200 µm sieve and passes a 500 µm sieve; bulk density should not fall below 0.34 g/cm³. On production-scale loading systems, a drop below this bulk density has been observed to create uneven wall thickness in deep-draw parts, with ultrasonic wall-thickness variation increasing by 8–12% across the lower pole. Dry flow time above 40 s/100 g has been associated with bridging in feed hoppers and non-uniform powder distribution in complex mould channels.
In rotomoulding, oven set point is not a direct control target. The critical measurement is peak internal air temperature. For LLDPE M950, PIAT is normally maintained between 190 °C and 205 °C. Below 185 °C, the powder bed does not fully sinter; microvoids remain along the inner wall and low-temperature dart impact under ISO 6603-2 may fall by more than 15%. Above 210 °C, oxidative degradation accelerates, producing surface gloss loss, yellowing, and a measurable increase in carbonyl index. Production-scale shuttle machines with 2.4 m swing and 45 kg charge weight typically employ oven air temperatures of 280–300 °C for a 4 mm wall steel mould, with recirculation air velocity between 4 m/s and 6 m/s. The rotation ratio is set at 4:1 primary/secondary; speed imbalance above 4.5:1 has been observed to displace the wall thickness distribution toward the lower pole. Aluminium tooling reduces cycle time by 8–12% compared with steel at equal wall thickness due to higher thermal conductivity. Mould surface temperature typically lags oven air by 20–40 °C depending on wall thickness and tooling heat capacity. Cycle time scaling with wall thickness is approximately t₂/t₁ = (d₂/d₁)1.5; a 6 mm wall part therefore requires 1.8–2.0 times the oven dwell of a 4 mm part. In steel moulds with 285 °C oven air, a 6 mm wall tank section has a typical oven residence of 26–34 min. Monitoring PIAT rather than time prevents over-cure when shop air temperature fluctuates.
Cooling rate determines shrinkage and warpage. Slow air cooling to 90 °C followed by water quench yields total shrinkage of 2.5–3.5% for this density class. Rapid quenching reduces warpage in large flat panels but lowers crystallinity and can increase moulded-in stress. On production-grade 4-station shuttle equipment, a quench initiated above 95 °C has been associated with sink marks in ribbed areas; a quench delayed below 80 °C increases cycle time without measurable improvement in impact.
Compared with HDPE rotomoulding grades with density 0.945–0.950 g/cm³, M950 shows lower flexural modulus but higher ESCR and better low-temperature impact. HDPE rotomoulding grades commonly exhibit flexural modulus of 900–1100 MPa under ISO 178, while M950 is specified at 600 MPa. The difference is relevant in large vertical tanks where structural stiffening ribs are required to compensate for lower modulus. For equal bending stiffness, a flat panel in M950 requires approximately 20% greater wall thickness compared with a 1000 MPa modulus HDPE grade. Compared with LDPE at 0.922–0.925 g/cm³, M950 provides higher tensile yield stress and better environmental stress-cracking resistance; LDPE rotomoulding grades typically show tensile yield stress below 11 MPa under ISO 527-2 and F50 values below 50 h under ASTM D1693 condition B. Metallocene LLDPE grades at comparable density may exhibit higher dart impact and faster bubble release; however, M950 may be selected for applications requiring a broader molecular weight distribution and established mould-filling behaviour. The following table summarises relative performance positioning.
| Property | REVOLVE LLDPE M950 | HDPE rotomoulding | LDPE rotomoulding | mLLDPE |
|---|---|---|---|---|
| Density | 0.935 g/cm³ | 0.945–0.950 g/cm³ | 0.922–0.925 g/cm³ | 0.930–0.940 g/cm³ |
| Melt mass-flow rate | 5.0 g/10 min | 3.0–5.0 g/10 min | 4.0–7.0 g/10 min | 4.0–6.0 g/10 min |
| Flexural modulus (ISO 178) | 600 MPa | 900–1100 MPa | 250–350 MPa | 500–700 MPa |
| ESCR F50 (ASTM D1693 condition B) | >1000 h | 50–200 h | 6–50 h | >1000 h |
| Low-temperature impact at -20 °C (ISO 6603-2) | ductile | brittle | ductile | ductile |
| Bubble release and sintering behaviour | medium | lower due to higher viscosity | high but lower melt strength | high |
Agricultural sprayer tanks manufactured from M950 are typically assembled using fusion-welded bosses and rotationally moulded inserts. Wall thickness in the 5–8 mm range provides hydrostatic capacity at ambient temperature; continuous service above 0.05 MPa internal pressure is not recommended without validation. Resistance to dilute acids and alkalis is comparable to other LLDPE grades; contact with concentrated nitric acid, chlorinated solvents, or strong oxidising agents above 40 °C is not specified. Hydrostatic or pneumatic acceptance testing should follow the applicable welded tank standard, such as EN 12573-2 for static non-pressurised thermoplastic vessels. Published data for long-term chemical exposure of this specific grade is limited.
LLDPE powder absorbs less than 0.1% moisture at 50% RH; however, in storage silos or unlined bulk bags at RH above 60%, surface moisture can reach 0.03–0.05%, sufficient to generate steam bubbles in thick sections. Pre-drying at 80 °C for 2 h in desiccant air with dew point below -20 °C is recommended before processing. Material hoppers should not be purged with unheated compressed air containing oil aerosols.
Low-temperature impact tests under ISO 6603-2 at -20 °C are used to qualify agricultural tanks for outdoor winter service. For parts with wall thickness 6 mm, the failure mode is normally ductile; brittle transitions may occur when moulded-in porosity from insufficient PIAT exceeds 2% by volume. On production parts, ultrasonic mapping of the inner wall is specified after first article moulding to detect voids larger than 3 mm in diameter.
Rheological and oxidative-stability data for comparable melt-index LLDPE indicate a shear viscosity of 1200–1800 Pa·s at 100 s⁻¹ and 400–600 Pa·s at 500 s⁻¹ at 190 °C. Oxidation induction time under ISO 11357-6 at 200 °C is typically above 20 min for fresh material; multiple heat histories above 220 °C reduce OIT by 30–40% and indicate antioxidant depletion.
Regrind addition up to 25 wt% is accepted on multi-layer tank production provided particle size distribution remains within the same range; higher fractions reduce ESCR by approximately 10–20% and increase dry flow time. UV-stabilised outdoor applications incorporate carbon black masterbatch at 2–3 wt% with particle size below 20 µm. Loadings above 4 wt% lower low-temperature impact by approximately 15% and increase melt viscosity. For food-contact parts, compliance with FDA 21 CFR 177.1520 and EU Regulation 10/2011 must be confirmed for the specific antioxidant and stabilizer package.
