| HS Code | 415121 |
| Melt Flow Rate 190 C 2 16 Kg | 2.0 g/10 min |
| Density | 0.919 g/cm³ |
| Melting Point | 122 °C |
| Vicat Softening Point | 102 °C |
| Tensile Strength At Yield | 11 MPa |
| Tensile Strength At Break | 21 MPa |
| Elongation At Break | 700 % |
| Flexural Modulus | 260 MPa |
| Shore D Hardness | 55 |
| Brittleness Temperature | -75 °C |
As an accredited NOVAPOL LLDPE TF-0219-E factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | NOVAPOL LLDPE TF-0219-E is supplied as plastic pellets in 25 kg heat-sealed polyethylene bags for safe transport and handling. |
| Container Loading (20′ FCL) | 20′ FCL container loading of NOVAPOL LLDPE TF-0219-E in 25kg bags, palletized, secured, and stowed for safe transport. |
| Shipping | NOVAPOL LLDPE TF-0219-E ships as non-hazardous polyethylene pellets in dry, sealed bags or bulk containers. Protect from moisture, direct sunlight, and extreme heat. Use clean, covered transport to avoid contamination and static buildup. No special regulatory classification is required, but standard industrial hygiene practices should be followed. |
| Storage | Store NOVAPOL LLDPE TF-0219-E in a clean, dry, cool, well-ventilated area, away from direct sunlight, heat, and ignition sources. Keep containers tightly sealed to prevent moisture contamination and dust accumulation. Avoid stacking excessively high. Follow all safety data sheet guidelines and local regulations to maintain product integrity. |
| Shelf Life | Shelf life is indefinite when stored in dry, shaded conditions, away from heat, moisture, and direct sunlight. |
For heavy-gauge industrial drum liners and construction sheeting, extrusion lines running NOVAPOL LLDPE TF-0219-E as a monolayer or as the core layer of a three-layer structure are typically configured with barrier screws of 30:1 L/D and a die gap of 1.8–2.5 mm. The resin carries a nominal density of 0.918 g/cm³ and a melt index of 2.0 g/10 min when measured under ASTM D1238 / ISO 1133-1 at 190°C with 2.16 kg. Melt temperature is held between 190°C and 220°C, with the lower bound set by melt viscosity and the upper bound by surface oxidation at the die lip. Blow-up ratios are maintained between 2.5:1 and 3.5:1; frost line height is set at 8–12 die diameters to balance transverse direction tear and bubble stability. In formulations, a 10–20 wt% LDPE addition is used when the bubble exhibits low-frequency oscillation or when the film is drawn below 50 µm; an antiblock masterbatch loaded at 2–5 wt% is introduced for liner opening at thicknesses above 100 µm. Dart impact is assessed under ASTM D1709A, tensile properties under ASTM D882, and Elmendorf tear under ASTM D1922, with the understanding that butene comonomer grades typically exhibit lower tear propagation resistance than octene grades of equivalent density. Gauge variation is controlled through internal bubble cooling and die rotation; excursions above ±8% of target thickness are considered process fault conditions on most converting lines. Terminal products include drum liners, construction aggregate sacks, and temporary containment film. Pre-drying is not required under normal warehouse conditions, but pellet surface condensation at relative humidity above 80% can produce surface defects in cast and blown film; hopper inlet air should therefore be kept below the dew point.
In vertical form-fill-seal laminates for frozen vegetable and quick-frozen confectionery bags, TF-0219-E is evaluated as a sealant skin typically at 80–90 wt% with a plastomer or high-pressure LDPE modifier at 10–20 wt%. The seal plateau is governed by the melting distribution of the resin’s short-chain branching population and by the thermal conductivity of the seal bar profile; published data for this specific configuration is limited. Converter-side heat seal curves are generated using ASTM F88 seal strength procedures across seal-bar temperatures from 100°C to 150°C, with dwell time fixed at 0.5 s and pressure at 0.3–0.6 MPa. Hot tack force is benchmarked according to ASTM F1921 at a cooling time of 0.1 s. Low seal initiation is required for high-speed vertical form-fill-seal lines where seal-bar contact time is below 0.3 s; addition of a metallocene plastomer at 10–20 wt% suppresses heat seal initiation temperature but reduces stiffness, so the blend ratio is not altered without measuring film modulus under ASTM D882. Compliance for frozen food contact rests on FDA 21 CFR 177.1520(c) items 2.1 and 3.1, subject to end-use limitations and migration testing under FDA 21 CFR 176.170 Table 2, Condition of Use E for frozen storage. European direct food contact requires compliance with EU Regulation No 10/2011, including overall migration below 10 mg/dm² under the applicable food simulant selected from Annex III. Terminal products are frozen vegetable bags, IQF film, and laminated pouch sealant webs. Process bottlenecks include seal-bar contamination from low-molecular-weight fractions at elevated seal temperatures; periodic cleaning of polytetrafluoroethylene-coated seal bars is specified when seal force variability exceeds ±5% of baseline.
| Application segment | Regulatory reference | Test method | Test condition or limit |
|---|---|---|---|
| Frozen food sealant layer | FDA 21 CFR 177.1520(c) items 2.1/3.1 | ASTM F88; FDA 21 CFR 176.170 | Seal force; Condition of Use E frozen storage |
| Thin-gauge produce bags | FDA 21 CFR 177.1520(c); EU No 10/2011 | ASTM D1709A; ASTM D1003 | Overall migration below 10 mg/dm² |
| Agricultural silage film | REACH 1907/2006 Annex XVII | ASTM D5748; ASTM G155 | Puncture propagation; xenon arc exposure |
| Industrial container liners | Non-food; no migration testing required | ASTM D1709A; ASTM D882; ASTM D1922 | Dart impact; tensile; Elmendorf tear |
Cast film evaluation of TF-0219-E for lamination base webs and retail overwrap requires melt temperatures higher than blown film because the low residence time of a cast line yields poorer homogenization at low energy input. The resin is processed at a melt temperature between 215°C and 245°C, with a flat die gap set between 0.6 mm and 1.0 mm and a chill roll temperature maintained between 15°C and 25°C. In thin cast webs below 30 µm, edge neck-in and draw resonance are the primary process conflicts; a 20–30 wt% LDPE addition is used to reduce neck-in, while draw ratio is established by stepwise increase until thickness variation exceeds ±5% of target. Vacuum box or air knife pinning is specified to prevent air entrapment between the melt curtain and the chill roll. When the resin is run as a 70 wt% TF-0219-E / 30 wt% LDPE blend, the resulting cast web is tested via ASTM D882 for tensile modulus and ASTM D1922 for tear propagation. For non-direct food lamination bases, FDA 21 CFR 177.1520(c) remains applicable if the structure is later incorporated into a food-contact laminate, provided the cast layer is separated from the food by a functional barrier or migration testing demonstrates compliance. Die lip build-up may occur after extended runs at the upper end of the melt temperature range; purging with a high-viscosity LDPE at the end of the run is the standard remediation.
Thin-gauge produce bags and bakery films using TF-0219-E in the core layer and HDPE-rich skins are subject to a stiffness–toughness conflict that is controlled by layer ratio rather than melt temperature alone. A typical structure places 60–80 wt% TF-0219-E in the core with 10–20 wt% HDPE in each skin layer; the HDPE skins increase secant modulus but reduce dart impact and Elmendorf tear. In blown film processing, the die gap is set at 1.0–1.5 mm, the blow-up ratio is held between 2.0:1 and 3.0:1, and the frost line height is kept at 4–8 die diameters to preserve clarity and transverse direction tear. Melt temperature is maintained between 190°C and 215°C. A slip masterbatch is added at 1–2 wt% for film-opening on high-speed bag conversion; a polymer processing aid masterbatch at 0.5–1.0 wt% is used only if sharkskin melt fracture is observed at the die lip. Dart impact is measured under ASTM D1709A, haze under ASTM D1003, and tear resistance under ASTM D1922. For direct food contact, FDA 21 CFR 177.1520(c) items 2.1 and 3.1 apply, and EU compliance requires overall migration below 10 mg/dm² under EU No 10/2011. Terminal products are produce bags, bakery barrierless overwrap, and garment bags. HDPE skin purging after a run is recommended because skin-layer degradation at the die lip can transfer into subsequent lower-viscosity products.
Agricultural silage covers and bunker cladding produced from TF-0219-E depend on high puncture propagation resistance at low outdoor temperatures rather than optical clarity. The resin is processed in thick-gauge blown film at 150–250 µm, with a die gap of 2.0–3.0 mm and a blow-up ratio between 2.0:1 and 3.0:1. Melt temperature is kept between 180°C and 210°C to retain melt strength; internal bubble cooling is mandatory above 150 µm to control gauge variation. Carbon black masterbatch at 2–4 wt% or a UV stabilizer masterbatch at 3–5 wt% is introduced for outdoor weathering, but long-term UV resistance is dependent on the masterbatch carrier and dispersion, not solely on the resin; converter-specific Xenon arc data under ASTM G155 is required because the resin supplier does not publish a certified weathering life. Puncture propagation is assessed under ASTM D5748, and low-temperature impact resistance is checked by conditioning films at −20°C before ASTM D1709A testing. REACH obligations under 1907/2006 Annex XVII apply to substances intentionally added through masterbatches, and the final compound must be re-registered by the converter if the end-use triggers a new chemical safety assessment. Terminal products include bunker silo covers, silage bags, and temporary stockpile films. Processing at the upper end of the die gap range reduces orientation-induced tear propagation but lowers output per hour; this trade-off is specific to agricultural converters using low-output air rings without internal bubble cooldown.
In collation shrink film for bottle and can multipacks, TF-0219-E is introduced into an LDPE-rich formulation at 20–30 wt% because the butene branches improve slow puncture resistance but reduce ultimate shrink in both machine and transverse directions. The double-bubble orientation process requires the pre-blown tube to be reheated to 105–120°C before orientation; above this window, the LDPE fraction loses orientation stability, and below it, the LLDPE fraction produces excessive shrink tension. Shrink percentage is measured under ASTM D2732, and puncture propagation is measured under ASTM D5748. Final shrink force and tunnel performance are benchmarked at 150°C to 180°C air temperature with dwell times of 5–10 s in shrink tunnels. Formulations above 30 wt% TF-0219-E are not used for collation shrink because the loss in ultimate shrink percentage below 10% in the transverse direction can cause loose film over bottle shoulders. For indirect food contact overwrap, FDA 21 CFR 177.1520(c) applies if the film is not serving as a direct food-contact layer; if it is used as a direct overwrap for bakery or produce, migration testing under EU No 10/2011 and FDA 21 CFR 176.170 is required. Terminal products are bottle multipack collation shrink, can overwrap, and tray containment film. The main operational failure mode is bubble collapse during secondary bubble inflation when the pre-warmed tube has inadequate melt strength; this is controlled by maintaining the TF-0219-E fraction at the lower end of the specified range and by keeping secondary bubble internal pressure below 0.05 MPa.
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Linear low-density polyethylene resin NOVAPOL LLDPE TF-0219-E is supplied as free-flowing copolymer pellets with a nominal density of 0.919 g/cm³ when measured in accordance with ASTM D1505 and a nominal melt index of 2.0 g/10 min under 190 °C and 2.16 kg load using ASTM D1238 Procedure A. The grade belongs to the conventional Ziegler-Natta LLDPE film class with short-chain branching characteristic of a low-level alpha-olefin comonomer. It is used in blown film operations for heavy-duty sacks, industrial liners, collation shrink film, and form-fill-seal packaging in which puncture resistance and machine-direction tear are critical at gauges below 100 µm. The E suffix denotes a defined additive and stabilization package within the NOVAPOL film-grade naming system; actual slip and antiblock concentrations are reported on the certificate of analysis. Converters can dose a custom masterbatch to adjust blocking, slip, and opening force without altering the base resin’s melt index or density. Lot-to-lot variability is controlled within the manufacturer’s quality plan. The grade should not be considered a direct substitute for metallocene-catalyzed LLDPE where low haze and elevated dart impact are governing requirements, nor for high-pressure LDPE where high melt tension is required for large-bubble stability.
Within the NOVAPOL LLDPE film portfolio, the TF designation positions the material for toughness-sensitive film applications. Differentiation is based not on density or melt index alone but on molecular weight distribution and short-chain branching distribution established during polymerization. Compared with general-purpose butene LLDPE film resins of equal melt index, TF-0219-E is positioned to give higher dart impact and more balanced MD/TD Elmendorf tear retention after film conversion; published head-to-head data for this specific comparison is limited. Compared with hexene LLDPE grades, TF-0219-E generally has lower puncture energy at equivalent density and may require a thickness increase of 10 % to 15 % to match heavy-duty sack abuse resistance. Compared with metallocene-catalyzed LLDPE, the resin typically shows lower clarity and lower dart impact at 25 µm but offers lower extrusion head pressure and a wider bubble-stability window on monlayer lines equipped with 25:1 to 30:1 low-work barrier screws. The difference is most visible in Elmendorf tear: Ziegler-Natta LLDPE tends to produce higher TD tear than MD tear, whereas metallocene LLDPE can give a more balanced tear ratio at similar melt index. Selection of TF-0219-E is therefore most appropriate where TD tear, puncture, and sealing throughput dominate over optical clarity.
On monlayer blown film lines with a 25:1 to 30:1 L/D barrier screw and a die diameter of 150 mm to 350 mm, melt temperature at the adapter is typically maintained between 190 °C and 230 °C. The resin’s relatively narrow molecular weight distribution produces a steep shear-thinning response; increasing screw speed raises melt pressure nonlinearly. If die pressure above 350 bar is observed on a 2.0 mm die gap, melt temperature, screen pack condition, and screw wear should be checked before reducing output, because excessive head pressure indicates constricted flow rather than a resin deficiency. Bubble stability is controlled by air ring configuration and frost line geometry. At die diameters greater than 200 mm, a dual-lip air ring or internal bubble cooling is recommended to prevent bubble hunting and gauge bands under high-stalk conditions. A frost line height of 2 to 4 die diameters is a practical starting point for film below 50 µm; excessive frost line height reduces impact resistance because polymer chains orient more in the machine direction. Published data for this specific configuration is limited, but the operating window is consistent with established blown film practice for LLDPE resins in the 0.918–0.920 g/cm³ density range.
In cast film production, the resin is extruded through a flat die with a die gap of 0.35 mm to 0.75 mm and an air gap of 15 mm to 60 mm. Melt temperatures at the die lip are typically 230 °C to 260 °C. Because LLDPE has lower melt elasticity than high-pressure LDPE, the cast web is less resistant to draw resonance. Draw ratios above 20:1 may produce alternating thick-thin bands unless the line is equipped with automatic thickness control. Chill-roll surface temperature should be kept between 15 °C and 35 °C to minimize crystallization-induced haze. Nip loading should be adjusted to prevent air entrapment; a starting value of 40 N/cm to 60 N/cm is typical for 25 µm film on conventional cast film lines. Vacuum box or air knife equipment is recommended to pin the web to the chill roll at line speeds above 150 m/min. Published data for this specific configuration is limited; converters should conduct a designed experiment at constant extruder output to map die pressure, motor load, and thickness profile before locking process parameters.
In form-fill-seal and bag conversion, the heat seal response of TF-0219-E is determined by the combination of density and comonomer content. Hot-bar sealing at 120 °C to 150 °C with a dwell time of 0.5 s to 1.5 s and a jaw pressure of 2 bar to 4 bar is used to evaluate seal initiation for 50 µm film. Seal strength should be measured according to ASTM F88/F88M, not inferred from DSC melting point alone. Hot-tack performance is sufficient for rotary form-fill-seal lines operating at speeds up to 40 packages/min when film gauge is held at 50 µm or above and the seal bar is free of residue. The resin is not recommended for retort or ovenable packaging because it is not a heat-stable polymer and will soften above 110 °C under load. The grade can be blended with 20 wt% to 30 wt% high-pressure LDPE to increase bubble stability and improve melt strength in heavy bags, at the cost of lower tensile strength. Blending with 5 wt% to 10 wt% metallocene LLDPE improves dart impact and optics but changes the seal plateau and may require a revised sealing temperature profile.
The table below summarizes the standard test methods used for film-grade evaluation. None of the listed methods replaces the grade-specific certificate of analysis. Lot release is based on melt index and density, while film properties are generated on blown film equipment at the manufacturer’s film laboratory using a 25:1 L/D single-screw extruder with a 50 mm screw diameter, 100 mm die diameter, 2.0 mm die gap, 2.5:1 blow-up ratio, and 25 µm gauge. Equipment configuration affects all film property values; values obtained on different lines are not directly comparable without normalizing screw geometry, frost line height, and air ring type.
| Property | Standard designation | Typical specimen or condition |
|---|---|---|
| Melt mass-flow rate | ASTM D1238 / ISO 1133-1 | 190 °C, 2.16 kg, pellet |
| Density | ASTM D1505 / ISO 1183-2 | 23 °C, compression-moulded plaque |
| Film dart impact | ASTM D1709 Method A | 25 µm film, 38 mm dart |
| Elmendorf tear | ASTM D1922 | 25 µm film, MD and TD |
| Tensile properties | ASTM D882 / ISO 527-3 | 500 mm/min, 25 µm film |
| Seal strength | ASTM F88/F88M | hot-bar sealed, 0.5 s dwell |
| Haze | ASTM D1003 | 25 µm film |
| Gloss 45° | ASTM D2457 | 25 µm film |
For food-contact use, the resin must be evaluated in the final article against 21 CFR 177.1520 and, where applicable, EU Regulation 10/2011 migration limits. The resin is not supplied with a blanket food-contact statement; the final film or laminate must be compliance-tested with the specific additive masterbatch, regrind ratio, printing ink, and converter processing conditions. For industrial packaging, the material is subject to registration under the REACH regulation; exposure scenarios and risk management measures are given in the safety data sheet. The grade is not classified as hazardous for transport when in pellet form, but melt processing without adequate ventilation may generate aldehydes and ketones. Film producers should install local exhaust ventilation at the die and air ring to control fume exposure below occupational exposure limits.
The pellets are hydrophobic and do not require pre-drying when stored in original, undamaged packaging at temperatures below 50 °C and relative humidity below 60 %. Condensation on cold pellets introduced into a heated hopper can produce surface moisture and film bubble imperfections; if temperature cycling has occurred, drying at 70 °C for 2 h in a desiccant air hopper is sufficient. The resin is incompatible with prolonged contact with aromatic hydrocarbons, chlorinated solvents, strong oxidizing acids, and mineral oils at elevated temperatures; such exposure can cause swelling, extraction of low-molecular-weight fractions, and loss of mechanical integrity. Recovered film edge trim and start-up material may be reintroduced as regrind at levels up to 20 wt% if the regrind is uniform and free from polyamide, EVOH, metal foil, paper labels, and other polar polymer contaminants. Higher regrind levels can reduce bubble stability and increase gel counts; the maximum regrind level should be limited by film appearance and seal strength rather than melt index alone.
In heavy-duty sack lines, the resin is commonly used in a coextruded structure in which TF-0219-E forms the core and high-pressure LDPE-rich skins supply surface gloss and seal response. A starting structure for 80 µm to 120 µm sacks is a 60 % to 70 % TF-0219-E core with a 30 % to 40 % high-pressure LDPE skin layer on each side. The LDPE-rich skins improve bubble stability and heat-seal strength, while the LLDPE core contributes puncture resistance and TD tear. In collation shrink film, the resin is blended with high-pressure LDPE to impart shrink tension while maintaining hole-puncture resistance. The resin is not formulated for high-clarity shrink display film; haze values above 8 % at 25 µm should be expected. Published data for this specific configuration is limited, and layer ratios should be confirmed by film property testing on the converter’s specific die and air ring system.
