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eSUN PET Filament 1.75mm Heat Resistance High

eSUN PET Filament 1.75mm Heat Resistance High

品牌 eSUN · 3D打印耗材（线材与树脂） · 3D打印 · 更多 eSUN 商品

  • Identity: eSUN PET, 1.75 mm nominal diameter, 1 kg net spool
  • Print settings (July 2024 PET TDS v1.0): 265–280°C nozzle, 80–95°C bed, 10% part-cooling fan, 40–300 mm/s theoretical speed range
  • Independent database conflicts: SpoolScout lists 250–280°C nozzle, 70–90°C bed, 1.28 g/cm³ density
  • Drying: the July 2024 PET sheet marks drying N/A

未标价

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摘要

eSUN PET是一种非填充聚对苯酰萘酸(PET)耗材，盛于1公斤、1.75毫米直径卷芯上， marketed as providing enhanced heat resistance and toughness compared to standard PLA. Before use, check your hotend and bed: the exact technical data sheet (TDS) for this PET specifies a nozzle temperature of 265–280°C and a bed temperature of 80–95°C; eSUN’s 75°C heat resistance claim is a marketing figure, not a certified continuous service temperature.

优点

  • Manufacturer positions PET between PLA convenience and mechanical performance: greater heat resistance than ordinary PLA, less stringing than its PETG comparator, plus toughness and dimensional accuracy. These are eSUN’s assertions; no controlled PET-versus-PETG comparison was located.
  • The published 60–80°C heat deflection at 0.45 MPa may help where plain PLA is marginal, provided joints and thin walls are not the load path.
  • Opaque and translucent variants exist without fillers or an abrasive-fiber nozzle requirement.
  • One owner testing eSUN PET for miniatures in October 2026 reported good surface detail and less-fragile supports than with PLA; a single self-reported observation without controlled settings or measurements.
  • The maker publishes an exact PET technical sheet with concrete print settings rather than a broad heat-resistant claim.

缺点

  • One owner reported two spools with bad winding that blocked an AMS feed path and about five extruder clogs plus a separate hotend clog; a single account, not verified production-defect data.
  • The 75°C marketing figure is not a continuous service temperature; the sheet states 60–80°C at 0.45 MPa and marks both continuous and maximum short-term service temperatures N/A.
  • Low-temperature community profiles at 220–250°C sit well below the sheet’s 265–280°C; using them unvalidated risks insufficient melt flow on fast prints.
  • No established lifespan or failure frequency: only one negative two-spool report and one favorable miniature-printing anecdote, not a representative reliability study.
  • Reports from eSUN PETG, PET-CF and PET-FR cannot be counted as this plain PET’s performance.
  • The US store showed 0 in stock for the selected variant during the checked crawl, so availability by color is unconfirmed.

已核实规格

IdentityeSUN PET, 1.75 mm nominal diameter, 1 kg net spool; the US store lists Solid Black, Transparent Grey, Transparent Blue, Natural, Solid White, Solid Silver, Solid Orange and Transparent Orange. No color-specific part number or UPC was verified in the checked listing.
Print settings (July 2024 PET TDS v1.0)265–280°C nozzle, 80–95°C bed, 10% part-cooling fan, 40–300 mm/s theoretical speed range; reference setup is a Bambu P1S with a 0.4 mm nozzle and OrcaSlicer 2.1.0 Beta.
TDS inconsistencythe same sheet’s printed test setup lists 260°C nozzle, 90°C bed, 10% fan and 10 mm³/s maximum volumetric flow.
Manufacturer lab properties (injection-molded specimens): density 1.07 g/cm³ (GB/T 1033); melt-flow index 13.2 g/10 min at 220°C and 10 kg; tensile strength 35–45 MPa in Z; elongation at break 4–6% in Z; XY flexural strength 90–100 MPa; XY flexural modulus 2,100–2,500 MPa; XY Izod impact 3–5 kJ/m²; heat deflection 60–80°C at 0.45 MPa.
Independent database conflictsSpoolScout lists 250–280°C nozzle, 70–90°C bed, 1.28 g/cm³ density; SpoolBites lists 220–250°C nozzle, 1.12 g/cm³ density and ±0.03 mm nominal tolerance.
Dryingthe July 2024 PET sheet marks drying N/A; SpoolBites advises 60–70°C for 4–6 hours and iDryer lists 70°C for 4 hours.
No hardened nozzle or sealed chamber is specified for the unfilled polymer; no food-contact certification or fire rating is claimed for the exact formula.
完整研究笔记与来源

打印设置与兼容性

The exact July 2024 sheet is the right starting reference: 265–280°C nozzle, 80–95°C bed, 10% fan, and a theoretical 40–300 mm/s. The same sheet’s printed test setup lists 260°C, 90°C, 10% fan and 10 mm³/s maximum volumetric flow, so treat the range as a starting envelope, not a validated performance limit. The sheet’s reference print used a Bambu P1S with a 0.4 mm nozzle and OrcaSlicer 2.1.0 Beta. Standard low-temperature PTFE-lined hotends or printers without enough bed heat are not appropriate without manufacturer-approved upgrades. Third-party databases disagree materially: SpoolScout shows 250–280°C and 70–90°C bed, SpoolBites shows 220–250°C. Contact eSUN to confirm current stock settings.

湿度与烘干

The exact PET sheet marks drying N/A. SpoolBites advises 60–70°C for 4–6 hours and iDryer lists 70°C for 4 hours, but those are community and vendor practices, not verified manufacturer cycles. Store the spool airtight and dry only with a confirmed safe temperature for the particular reel. The optional eSUN eBOX Lite dryer was listed at $40.28 on the brand store with 0 stock in the US selector.

耐热性与实际应用

The headline heat-resistant claim of roughly 75°C should not be read as a continuous service temperature. The sheet states 60–80°C at 0.45 MPa and marks both continuous and maximum short-term service temperatures N/A. Injection-molded lab values for tensile, flexural and impact strength are not the same as printed-part strength. Hot-car brackets, electrical enclosures and structural hot parts need finished-part testing. Translucent variants are not crystal-clear; appearance varies with wall count, layer size and viewing light.

是否值得购买？

At $15/kg or less for an actually available, correctly labeled spool, eSUN PET is a reasonable buy for a user who can sustain 265–280°C and 80–95°C. The directly listed $19.99 with 0 stock is not a compelling blind first-time purchase against ordinary PETG. Above $19.99/kg, ELEGOO Rapid PETG at $13.99 is the better default if similar printability matters more than proving a specific PET property. On eSUN’s US store, volume brackets run 3+ at $17.00, 4–9 at $16.00 and 10+ at $15.00 per kg; a cached promotional display showed $15.20. eSUN PETG at $14.99 and Polymaker PETG at $18.99 are different materials, not drop-in equivalents. Illustrative annual material cost at the $19.99 listed price: 1 kg is $19.99, 3 kg is $59.97, 5 kg is $99.95 and 10 kg is $199.90, before supports, failed prints, postage, taxes, electricity and labor.

eSUN’s direct-store return policy permits an application within 14 days after delivery for unused products in original packaging, with receipt or proof of purchase; customer-requested returns require the buyer to pay return freight, while eSUN covers return shipping for its own wrong or damaged shipments. After-sales contact is after-service@esun3d.com and general order matters go to estore@esun3d.com, with working-day response availability, not guaranteed response time. No defined multi-year material warranty was found for the exact PET 1 kg spool; the technical sheet describes its data as indicative and disclaims guarantees derived from those numbers.

该型号说明

This page covers eSUN PET, 1.75 mm, 1 kg, an unfilled polyethylene terephthalate filament sold in eight colors. It is not eSUN PETG, PET-Basic, PET-CF or PET-FR, which have different datasheets, profiles and performance claims. No color-specific SKU, UPC or GTIN was verified in the checked listing.

来源

Manufacturer:

Independent reviews:

Owner reports:

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