IEC 61249-2-11:2003

IEC 61249-2-11:2003 defines requirements for reinforced base materials used in printed boards and other interconnecting structures, specifically polyimide and brominated epoxide modified or unmodified woven E-glass reinforced laminated sheets with defined flammability and copper cladding. For engineering teams, laboratory staff, and procurement specialists, it serves as a focused technical reference when evaluating laminate material suitability, documented evaluation, and conformity assessment needs. IEC 61249-2-11:2003 is particularly relevant where material selection, fire performance, and construction consistency must be reviewed against a recognized specification.

IEC 61249-2-11:2003 standard overview

This document forms part of the IEC 61249 series for materials used in printed boards and other interconnecting structures. Its scope is centered on reinforced base materials that are clad with copper and built from polyimide or brominated epoxide resin systems with woven E-glass reinforcement. The title also indicates defined flammability behavior based on a vertical burning test, which makes the reference useful for technical review, product evaluation, and quality workflows where material behavior and documentation need to be aligned.

Applications of IEC 61249-2-11:2003

IEC 61249-2-11:2003 is commonly used in procurement and engineering documentation for copper-clad laminate materials intended for printed board fabrication and related interconnecting structures. It may support supplier qualification, material comparison, and laboratory evaluation when defining acceptable board substrate constructions for electronic assemblies. The reference is also relevant to organizations preparing technical validation records or reviewing base material compliance for equipment that depends on consistent laminate performance and controlled flammability characteristics.

Why IEC 61249-2-11:2003 matters

For organizations managing technical compliance, this reference helps create a clear basis for material selection and risk management. It supports more consistent testing workflows, procurement review, and engineering validation by narrowing the material description to a defined class of reinforced, copper-clad laminates. That can improve operational consistency when comparing products from different suppliers and can also assist with conformity assessment preparation, especially where documented evidence of material construction and fire performance is part of the compliance process.

• Specifies reinforced base materials for printed boards and other interconnecting structures
• Addresses copper-clad laminate constructions based on polyimide or brominated epoxide resin systems
• Indicates defined flammability assessment through a vertical burning test context
• Supports supplier review, material qualification, and engineering documentation workflows