| HS Code | 110852 |
| Density | 0.918 g/cm³ |
| Melt Flow Index 190 C 2 16 Kg | 1.0 g/10 min |
| Melting Point | 122 °C |
| Vicat Softening Point | 104 °C |
| Tensile Strength At Yield | 12 MPa |
| Tensile Strength At Break | 18 MPa |
| Elongation At Break | 800% |
| Flexural Modulus | 260 MPa |
| Shore D Hardness | 52 |
| Brittleness Temperature | < -75 °C |
| Environmental Stress Crack Resistance | > 1000 hours |
| Secant Modulus 1 | 280 MPa |
As an accredited Equate LLDPE 7047 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Equate LLDPE 7047 is supplied as solid pellets in 25 kg polyethylene-lined bags, with quantity per shipment specified by order. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Equate LLDPE 7047: a full 20-foot container of linear low-density polyethylene resin, safely palletized and secured. |
| Shipping | Equate LLDPE 7047 is supplied as free-flowing pellets in woven polypropylene bags, supersacks, or bulk hopper trucks/railcars. Ship as non-hazardous cargo, but keep dry and away from ignition sources to prevent dust accumulation. Store in cool, ventilated area and handle with standard chemical safety precautions. |
| Storage | Store Equate LLDPE 7047 in a cool, dry, well-ventilated area away from direct sunlight, heat, and open flames. Keep containers tightly sealed to prevent moisture absorption, which can affect processing. Avoid contact with strong oxidizers. Maintain warehouse temperatures below 40°C (104°F) to prevent agglomeration. Ensure proper labeling and separate storage from incompatible materials. Handle with care to avoid dust accumulation. |
| Shelf Life | Shelf life is indefinite when stored in original packaging, kept dry, cool, and protected from direct sunlight. |
Blown film extrusion of Equate LLDPE 7047 in agricultural silage wrap is carried out on single-screw extruders with L/D ratios between 24:1 and 30:1, using barrier screws and die gaps of 1.8–2.4 mm. The butene-comonomer linear low-density polyethylene exhibits nominal density of 0.918 g/cm³ (ASTM D1505) and melt flow rate of 1.0 g/10 min at 190°C/2.16 kg (ASTM D1238). In monolayer silage film, the standard addition ratio is 70–80 wt% LLDPE 7047, 10–20 wt% LDPE for bubble stability and 5–8 wt% EVA for cling retention; for greenhouse cover, EVA is replaced by 3–5 wt% hindered amine light stabilizer masterbatch and 0.5–1.5 wt% anti-fog concentrate. The downstream process operates at melt temperatures of 195–220°C, BUR 2.5:1–3.5:1, thickness 25–80 µm for silage and 150–200 µm for greenhouse. The butene-comonomer content retains dart drop impact above 100 g at −5°C (ASTM D1709) when film is wound over fermented forage at −5°C to 20°C. Compliance with EN 13207:2018 requires measured tear resistance and oxygen transmission; EU Regulation 10/2011 does not govern non-contact agricultural films, but REACH SVHC screening remains mandatory. A known operational boundary is bubble instability when BUR exceeds 3.5:1 without sufficient LDPE; field data from 200 mm die lines shows frost-line oscillation of ±10 mm causing cling variability in silage wrap. Resin pre-drying is not normally required unless silo storage at RH above 60% with temperature cycling causes surface condensation; in that case hot-air drying at 70–80°C for 2–3 h prevents melt-pressure fluctuation. Terminal finished product types include silage bale wrap, silage bags, greenhouse tunnel covers and low tunnel perforated films.
In three-layer coextruded liner structures, LLDPE 7047 occupies the core or inner layer. The addition ratio in an A/B/A structure is commonly 60–80 wt% LLDPE 7047 core, 15–30 wt% HDPE skins for creep resistance, and 2–5 wt% carbon black masterbatch or color concentrate. The downstream process uses three extruders feeding a spiral mandrel die, die gap 2.0–2.5 mm, total thickness 100–250 µm, and a cooled IBC system to reach line speeds of 40–80 m/min. Compliance for non-food industrial packaging references ASTM D4976-22 for polyethylene extrusion material specification and, where FIBC liners are used for hazardous solids, UN type approval under ADR/RID 6.5. Field data from production lines shows melt-pressure variation of ±3% at the die when LLDPE 7047 is processed below 180°C, causing gauge bands; increasing barrel zones to 210–230°C eliminates the defect. Blending with HDPE skins at more than 30 wt% reduces Elmendorf tear resistance in the machine direction (ASTM D1922), so the ratio is kept below this threshold unless the liner is specified solely for compression load. Terminal finished product types include inner liners for FIBCs, heavy-duty shipping sacks, and construction dust barriers.
When frozen-food converters run vertical form-fill-seal lines at cycle speeds exceeding 80 bags/min, the sealant layer of LLDPE 7047 is formulated at 85–95 wt% with 5–15 wt% high-clarity LDPE and 1–2 wt% silica-based slip/antiblock masterbatch to obtain coefficient of friction below 0.30 (ASTM D1894) and heat seal initiation below 105°C. The downstream blown film process uses die gap 1.5–2.0 mm, frost-line height 250–400 mm, melt temperature 190–210°C, and film thickness 30–70 µm. Compliance under FDA 21 CFR 177.1520(c)3.1a covers olefin polymers for food contact, and EU Regulation 10/2011 requires overall migration < 10 mg/dm² with simulant D1. Seal jaws are operated at 115–135°C with dwell times of 0.3–0.6 s; hot-tack strength above 1.5 N/15 mm at 120°C (ASTM F1921) prevents seal failure during product drop. An operational boundary occurs when silica-based antiblock levels exceed 5,000 ppm total in the sealant layer because haze rises above 8% and seal strength drops by 10–15%. Terminal finished product types include frozen vegetable pillow packs, fish block wraps, and bag-in-box liners for frozen puree.
Extrusion lamination of aluminium foil and polyester webs to sealant films uses LLDPE 7047 as the sealant layer with a coating weight of 20–40 g/m². The addition ratio in the sealant compound is 80–100 wt% LLDPE 7047 and 0–20 wt% LDPE to adjust neck-in and sealant tack; 200–400 ppm of fluoropolymer processing aid is introduced when the laminator runs above 150 m/min to suppress die lip build-up. The process requires melt temperature of 285–315°C, air gap 80–150 mm, and nip pressure 3–5 bar; oxidation at the molten curtain surface is the primary adhesion mechanism to aluminium. The melt temperature window is narrow: below 285°C the web adhesion falls below 200 g/15 mm (ASTM F904), while above 315°C gel formation and odour increase, limiting the usable range to ±15°C. Compliance for food contact laminates is tested under EU 10/2011 using simulant A (ethanol 10%) and simulant D2, while US submissions reference FDA 21 CFR 177.1520. Terminal finished product types include dry food pouches, pet food bag liners, and pharmaceutical strip-pack lidding.
On cast stretch-film lines targeting hand-wrap and power-stretch segments, Equate LLDPE 7047 is compounded at 70–85 wt% with 15–30 wt% metallocene LLDPE for puncture resistance (ASTM D5748) and 0.5–1.0 wt% polyisobutylene or hydrogenated tackifier for cling. The downstream cast process uses slot dies with die gap 0.5–0.8 mm, chill-roll temperature 18–25°C, line speeds 300–600 m/min, and film thickness 12–23 µm. Pre-stretch ratios are limited to 150–250% for 7047-rich formulations; above 250% the butene copolymer exhibits stress relaxation and local thinning, so metallocene-rich blends are substituted. Compliance testing for machine-direction stretch and load retention references ASTM D5459-22 and ASTM D882. Published data for the optimal 7047/metallocene split in high pre-stretch configurations is limited; converter trials typically define the upper pre-stretch limit by measuring load retention after 1 h. Terminal finished product types include hand wrap rolls, power stretch film for pallets, and containment films for furniture.
Consumer trash bags and institutional can liners are produced from LLDPE 7047 by blown film extrusion with gauge reduction from 30 µm to 18–20 µm while maintaining Dart drop impact above 120 g (ASTM D1709). The addition ratio is 70–90 wt% LLDPE 7047, 10–30 wt% recycled LLDPE or LDPE regrind, and 1–3 wt% carbon black or color masterbatch. Processing on high-output grooved-feed extruders with L/D 30:1, die gap 1.6–2.2 mm, BUR 2.0:1–3.0:1, and melt temperature 200–230°C yields film with tensile at break > 35 MPa in machine direction per ASTM D882. Compliance for municipal waste bags is generally non-food, but feedstock traceability and heavy metal limits follow REACH Annex XVII and EN 13592 for refuse sacks. Field data shows bubble wobble at BUR above 3.0:1 unless 10–15 wt% LDPE is added or an IBC stabilizer is engaged; this is a known operational boundary. Terminal finished product types include drawstring kitchen bags, star-sealed can liners, and heavy-duty leaf sacks.
Competitive Equate LLDPE 7047 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Equate LLDPE 7047 is a butene copolymer linear low-density polyethylene formulated for blown film extrusion. The nominal melt flow rate is 1.0 g/10 min under ASTM D1238-20 (190 °C, 2.16 kg), and the nominal density is 0.918 g/cm³ under ASTM D1505-18. The product belongs to the general-purpose LLDPE film family and is not classified as a high-clarity metallocene LLDPE or a high-toughness hexene LLDPE. The butene comonomer creates a short-chain branching distribution that yields moderate melt strength and adequate drawdown, but the tie-molecule population is lower than that of C6-LLDPE at equivalent density, which reduces low-temperature impact resistance. On production lines, the grade is selected for industrial liners, garment film, dunnage bags, and frozen food overwrap where bubble stability, gauge control, and extrusion throughput are more critical than glass-like optics. The resin is supplied as pellets, and the nominal bulk density is approximately 0.55 g/cm³ to 0.60 g/cm³; converters should confirm lot-specific additive packages because slip and antiblock loadings vary by destination and regional specification. Published data for the specific additive formulation of each regional batch is limited, so certificates of analysis must be consulted before blending.
Batch release data for Equate LLDPE 7047 are evaluated under ASTM D1238-20 and ASTM D1505-18. The melt flow rate is normally controlled within 0.90 g/10 min to 1.10 g/10 min; the density is normally controlled within 0.916 g/cm³ to 0.920 g/cm³. Batch-to-batch variation within these limits produces negligible shifts in film gauge when the line is running at constant screw speed and head pressure, but extrusion back pressure can increase by 2% to 5% if the MFR falls from 1.05 g/10 min to 0.95 g/10 min at fixed output. This effect is observed on single-screw extruders with 24:1 to 30:1 L/D and is a normal result of the viscosity increase. The prescribed processing route is tubular blown film and, where evaluated, cast film at limited output; the product is not specified for injection molding.
| Property | Standard | Nominal value | Unit |
|---|---|---|---|
| Melt flow rate | ASTM D1238-20 | 1.0 | g/10 min |
| Density | ASTM D1505-18 | 0.918 | g/cm³ |
| Tensile yield strength MD | ISO 527-3:2018 | 11 | MPa |
| Tensile yield strength TD | ISO 527-3:2018 | 11 | MPa |
| Elongation at break MD/TD | ISO 527-3:2018 | >700 | % |
The nominal tensile yield strength is 11 MPa in both principal directions under ISO 527-3:2018, and elongation at break exceeds 700% on 25 µm film. These values are resin nominal values, not finished-film guarantees, because die gap, blow-up ratio, frost line height, and downstream winding tension alter the stress-strain response. The peak melting temperature under ASTM D3418-21 typically falls between 121 °C and 125 °C, which is normal for butene LLDPE with density 0.918 g/cm³.
The oxidative stability of Equate LLDPE 7047 can be monitored by oxidation induction time under ASTM D3895-19. Typical oxidation induction time values for similar butene LLDPE film resins exceed 20 min at 200 °C, but lot-specific values must be confirmed from the certificate of analysis. The antioxidant package is designed for film extrusion and conversion, not for prolonged hot-water exposure or cable jacketing. Extended storage at ambient temperature below 50 °C is recommended; storage above 60 °C can accelerate additive migration and may cause pellet agglomeration in silos. If recycled film is reintroduced, the oxidation induction time of the blend should be measured because multiple heat histories consume primary antioxidants; a reduction below 10 min at 200 °C indicates a need for antioxidant masterbatch addition. Processing above 240 °C accelerates chain scission and oxidation, especially in the presence of oxygen and shear; this increases gel counts and can reduce film appearance.
On 30:1 L/D single-screw blown film extruders with barrier screws and spiral mandrel dies, Equate LLDPE 7047 is processed at melt temperatures between 190 °C and 220 °C. Die gaps from 1.5 mm to 2.0 mm and blow-up ratios from 2.2:1 to 3.5:1 provide stable bubbles; higher BUR values reduce machine-direction tear and improve transverse-direction tear, but require frost line height adjustment to prevent bubble flutter. The indicated melt temperature range is measured at the die entrance with a flush-mounted thermocouple; actual melt temperature profiles may deviate from barrel set points by 3 °C to 6 °C depending on screw design and back pressure. Extruder barrel profiles should follow a flat-to-reverse profile, with the feed throat maintained below 80 °C to avoid pellet bridging. The resin does not require pre-drying under normal warehouse conditions below 50% RH; if storage humidity exceeds 60% RH, a dry-air hopper purge is recommended to avoid surface moisture and minor surface defects. At die temperatures above 230 °C, the risk of surface oxidation and gel formation increases, particularly on lines with average residence time above 3 min. Addition of LDPE at 10 wt% to 20 wt% lowers melt tension and improves bubble stability; addition of HDPE at 5 wt% to 15 wt% increases stiffness and moisture barrier at the expense of clarity. Specific energy input varies with screw design and head pressure, and no single published value applies to all line configurations.
Reported field failures on blown film lines using butene LLDPE include melt fracture at high output, die lip build-up from oxidized polymer, and bubble flapping when the frost line is too low. Melt fracture is corrected by reducing die temperature or increasing die gap; die lip build-up is more common with reclaimed material or after prolonged shutdowns and can be removed by purging with HDPE or a commercial purging compound at 15 wt% to 30 wt% of machine capacity. Loss of screw cooling in the feed zone can increase feed temperature and reduce output by 5% to 10% on 30:1 L/D extruders. These corrections are specific to grooved-feed and smooth-bore machines, and no single purging protocol applies to all die sizes.
In cast film extrusion, Equate LLDPE 7047 may be evaluated at lower output because butene LLDPE has lower melt strength than LDPE and can exhibit edge instability at high line speeds. The recommended die gap is 0.5 mm to 0.8 mm, with a die-to-chill-roll gap of 20 mm to 40 mm and chill roll temperature 25 °C to 35 °C. Cast film properties differ from blown film: orientation is uniaxial, so machine-direction tear is higher and transverse-direction tear is lower; haze is often lower because of reduced surface roughness. Published data for the specific cast film configuration of Equate LLDPE 7047 is limited, and extrusion trials are required.
Because butene LLDPE exhibits lower shear sensitivity than LDPE, blending with LDPE modifies elongational viscosity and changes the bubble stability envelope. In a high-stalk configuration on a 55 mm extruder with a 250 mm die, a blend of 70 wt% Equate LLDPE 7047 and 30 wt% LDPE with melt index 0.25 g/10 min improves stalk stability and increases transverse-direction Elmendorf tear under ASTM D1922-15, while reducing dart drop impact slightly under ASTM D1709-15a. The reduction in dart impact is associated with long-chain branching in the LDPE phase, which increases melt elasticity but also introduces micro-scale phase heterogeneity that can initiate crack propagation. Processors should monitor extruder motor load because LDPE addition reduces specific throughput by 8% to 12% at fixed screw speed on single-screw extruders with 24:1 L/D. The blend is suitable for collation shrink film where high stalk stability and controlled shrink force are valued; shrink force under ASTM D2838-18 is generally lower than that of an LDPE-rich formulation, so substitution should not exceed 30 wt% unless shrink force requirements are re-established on the packaging line. When higher stiffness is required, HDPE addition at 10 wt% can recover some mechanical rigidity but will increase haze.
Finished film properties of Equate LLDPE 7047 are strongly anisotropic. At 25 µm thickness and 2.5:1 BUR, the machine-direction Elmendorf tear is lower than the transverse-direction tear because of orientation; the MD/TD tear ratio can approach 1:2 to 1:3 on conventional blown film towers. Haze of an unfilled monolayer film is typically between 8% and 12% under ASTM D1003-21; gloss at 45° is typically 60 to 75 under ASTM D2457-21. These optical values are not applicable to coextruded structures where a skin layer of LDPE or mLLDPE may reduce haze below 5%. The seal initiation temperature under ASTM F2029-16 is higher than metallocene LLDPE by approximately 8 °C to 12 °C; the butene grade generally requires seal temperatures of 110 °C to 125 °C to achieve seal strength above 5 N/15 mm. This makes Equate LLDPE 7047 less suited to ultra-high-speed horizontal form-fill-seal applications where seal bar temperatures must remain below 110 °C, but it is acceptable for industrial liners, dunnage bags, and garment film where dwell times are longer and seal strength is not the limiting variable. In frozen food overwrap, the film should be tested for flex crack resistance under ASTM F392-20 because butene LLDPE has lower low-temperature flexibility than hexene LLDPE; the onset of flex cracking on light-gauge film can occur after fewer cycles at -25 °C than on C6-LLDPE.
Equate LLDPE 7047 occupies a distinct position in the property-cost matrix. Compared with a C6-LLDPE of similar 0.918 g/cm³ density and 1.0 g/10 min MFR, the butene grade typically shows lower dart impact under ASTM D1709-15a and lower machine-direction tear under ASTM D1922-15. Hexene LLDPE produces a more homogeneous short-chain branch distribution, which increases tie-molecule concentration and resistance to impact crack propagation. Compared with metallocene-catalysed LLDPE, Equate LLDPE 7047 has broader molecular weight distribution, higher gel level sensitivity, lower clarity, and higher seal initiation temperature. However, the grade demonstrates better bubble stability and lower motor load on legacy grooved-feed extruders than metallocene LLDPE. The finished-film test matrix below is applied when evaluating substitutions.
| Finished film property | Test standard | Relevance to Equate LLDPE 7047 |
|---|---|---|
| Elmendorf tear resistance | ASTM D1922-15 | Directional tear response in dunnage and liner films |
| Dart drop impact F50 | ASTM D1709-15a / ISO 7765-1:2004 | Impact toughness of films and bags |
| Haze and luminous transmittance | ASTM D1003-21 | Optical clarity in overwrap applications |
| Seal strength and seal initiation | ASTM F2029-16 | Heat seal behaviour on packaging lines |
| Flex crack resistance | ASTM F392-20 | Low-temperature durability in frozen food packaging |
The selection of Equate LLDPE 7047 over C6-LLDPE or mLLDPE should be made on the basis of these measured finished-film properties, not on nominal resin data alone. For tear-critical applications, a C6-LLDPE should be evaluated; for optical-critical applications, an mLLDPE or LDPE-rich skin layer should be considered. In heavy-duty sacks, the lower impact toughness of the butene grade is most evident at film thickness below 50 µm; above 100 µm, the effect of thickness partially compensates, but low-temperature impact at -30 °C remains lower than that of C6-LLDPE.
Storage and handling boundaries are determined by the butene comonomer chemistry and the additive package. The resin should be stored away from direct ultraviolet radiation and sources of ignition; ambient storage below 50 °C is recommended to preserve additive performance. Processing above 240 °C is not recommended because chain scission and oxidation can increase gel counts and reduce film appearance, especially when the average residence time exceeds 3 min on large extruders. The grade should not be combined with pro-oxidant masterbatches unless a controlled degradation study has been performed under ASTM D6954-18. Loading with calcium carbonate filler above 20 wt% reduces elongation at break and can raise die pressure beyond the safe limit of single-screw extruders, which is typically below 350 bar; actual limits depend on die design and extruder condition. For applications requiring direct food contact, lot-specific certifications confirming compliance with FDA 21 CFR 177.1520 and EU Regulation 10/2011 are mandatory; such compliance is formulation-dependent and cannot be assumed from the base resin. For high-clarity film below 5% haze, metallocene LLDPE or C6-LLDPE is preferred. For low-temperature impact below -30 °C, a hexene or octene LLDPE grade should be evaluated. Published data for the specific configuration of Equate LLDPE 7047 in every application is limited, so pilot-line trials with the intended die gap, BUR, and downstream equipment are required before production commitment.
