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Brand Name : Guofeng
Model Number : 25um
Certification : UL ISO RoHS
Place of Origin : China Hefei
MOQ : 5kg
Price : $300-$30000
Payment Terms : L/C,T/T
Supply Ability : Negotiation
Delivery Time : Negotiation
Packaging Details : Barrier+ PE foam sheet+ PE film+ Foam packing cotton
Film Appearance : The substrate must maintain nanometer-level planarity while demonstrating complete absence of topological defects, particulate inclusions, polymeric agglomerations, or extraneous contamination across its entire functional area.
Film Thickness : 25μm
Film Tensile Strengthh : 480MPa
Film Elongation at break : 40%
Film Young's Modulus : 7GPa
Film Insulation Strength : 350V/μm
Film Moisture absorption : 1425Kg/m³
Film Thermal Shrinkage(200°,2h) : 0.04%
Film Linear expansion coefficient : 8ppm
Film Moisture absorption rate : 1.8%
Designed through cutting-edge molecular engineering, this high-performance substrate provides unparalleled structural durability, dielectric strength, and thermal endurance. Its exceptional surface compatibility guarantees faultless integration in precision assemblies, while carrying full international eco-compliance certifications (RoHS/REACH) and UL safety validation for global deployment.
Serving as pivotal enabling substrates for forthcoming electronics generations, GL-class polyimide matrices provide system-essential performance criteria throughout: 1) sub-micron tolerance bonded flexible circuit constructs, 2) dimensionally immutable barrier overlay configurations, 3) state-of-the-art semiconductor encapsulation ecosystems, and 4) function-engineered adhesive tape systems with customized viscoelastic profiles.

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Thermostable Dielectric Film Polyimide Material Substrate Amber ODM Images |