Polyimide Film Material (PIFM-29)

Description

1. Product Overview

PIFM-29 is a high-performance, thermally stable polyimide film engineered for extreme-environment applications in aerospace, flexible electronics, and high-density industrial insulation. Its primary use lies in serving as a dielectric substrate and thermal barrier in components requiring sustained operational integrity above 250°C. The key value proposition is an exceptional tensile strength-to-weight ratio combined with near-zero outgassing, ensuring reliability in vacuum and high-voltage settings. Strategically, PIFM-29 fills a critical supply gap for buyers seeking a domestically-sourced, Grade-A alternative to legacy Japanese and U.S. monopolies, offering parity in performance with superior lead-time predictability.

2. Key Specifications & Technical Characteristics

• Chemical composition: Aromatic polyimide (derived from pyromellitic dianhydride and 4,4’-oxydianiline)

• Purity level / Grade: Electronic Grade (EG) / Aerospace Grade (AG) – 99.9% void-free cross-section

• Physical characteristics:

  • Form: Rolled continuous film (smooth or matte finish)

  • Color: Amber to dark amber

  • Thickness range: 12.5 µm, 25 µm, 50 µm, 75 µm, 125 µm

  • Tensile strength (MD): ≥ 210 MPa

  • Density: 1.42 g/cm³

  • Dielectric strength: ≥ 150 kV/mm (at 25 µm)

• Packaging options: Antistatic liner-wound cores (3” or 6” ID), vacuum-sealed moisture-barrier bags, cardboard outer cartons; custom slitting available (±0.1 mm)

• Shelf life: 24 months from date of manufacture (when stored at 10–30°C / <60% RH in original sealed packaging)

3. Core Industrial Applications

• Primary industries: Aerospace & defense, EV battery insulation, flexible printed circuits (FPC), industrial heaters, and semiconductor handling equipment.

• Specific use cases:

  • Aerospace: Wire and cable wrapping for high-altitude drones and satellites (replaces heavier glass-fiber tapes).

  • EV: Cell-to-pack insulation pads (withstands prolonged 200°C cycling without embrittlement).

  • FPC: Multilayer flexible circuits for medical imaging devices.

• Why PIFM-29 performs better than alternatives: Against standard polyimide films (e.g., Kapton® HN equivalents), PIFM-29 offers 18% higher elongation at break and 30% lower coefficient of hygroscopic expansion, reducing delamination in humid assembly environments. Against cheaper polyester (PET) films, it maintains electrical insulation at temperatures where PET melts (above 150°C). Cost advantage: At enterprise volumes, PIFM-29 undercuts incumbent aerospace-grade films by 9–12% on a per-square-meter basis while delivering equivalent UL 94 V-0 flammability.

4. Competitive Advantages

• Quality consistency: ISO 9001:2025 and AS9100D certified production; every master roll is 100% scanned via laser pinhole detection (≤ 5 pinholes per 1,000 m² for 25 µm grade).

• Supply reliability: Dual manufacturing lines with 2,000 MT annual nameplate capacity; buffer stock maintained in three regional hubs (NA, EU, SEA).

• Logistics capability: Lead time 14–21 days ARO (vs. industry average 35–45 days for comparable polyimide film); emergency 5-day expedite available.

• Price competitiveness: Tiered pricing model rewarding annual frame agreements; no price premium for custom slitting.

• Sustainability: PIFM-29 is manufactured using recovered solvent distillation (98% solvent recycling); fully RoHS, REACH, and TSCA compliant.

• Technical support: Full data pack including TGA, DMA, and outgassing (ASTM E595) provided; dedicated application engineers for stack-up design support.

5. Commercial & Supply Information

• Minimum order quantity (MOQ):
  Standard grade: 1 master roll (≥ 50 kg or equivalent in linear meters)
  Custom slitting: 3 master rolls

• BULK 20MT Loading capacity (MT per container):
  1 x 20ft standard dry container = 20 metric tons (palletized, approx. 320–340 master rolls of 25 µm × 520 mm width)