SIST EN 2329:2001

Overview

SIST EN 2329:2001 is a European standard developed by CEN that defines a precise test method for determining the mass per unit area of textile glass fibre preimpregnates used in aerospace applications. Textile glass fibre preimpregnates are composites where glass fibres are pre-impregnated with resin, offering high strength-to-weight ratios essential for the aerospace sector. This standard is crucial for ensuring consistent material quality and performance in aerospace manufacturing and engineering.

The method specified by SIST EN 2329:2001 facilitates accurate measurement of surface mass, enabling manufacturers and quality control specialists to verify the material specifications of glass fibre prepregs. The standard highlights that it does not include health and safety directives, placing responsibility on users to follow appropriate safety practices when performing tests.

Key Topics

• Textile Glass Fibre Preimpregnates
  Focus is on materials where woven glass fibre textiles are pre-impregnated with resin, commonly used in aerospace composites.

• Mass per Unit Area Measurement
  Defines the standardized approach to determine the mass (weight) per unit surface area (commonly grams per square meter), a key metric in material characterization.

• Test Methodology
  Details the sampling, preparation, and measurement process to ensure repeatability and accuracy in testing results.

• Scope and Limitations
  Designates the procedure for aerospace-grade glass fibre prepregs but excludes health and safety protocols, which must be managed separately.

• Compliance and Quality Assurance
  Enables aerospace manufacturers to verify that preimpregnated glass fibre textiles meet required material specifications critical for structural integrity.

Applications

• Aerospace Manufacturing
  SIST EN 2329:2001 is primarily applicable to quality control in the production of aerospace structural components made from glass fibre composite materials.

• Material Specification Verification
  Serves testing laboratories and engineers to confirm material compliance with aerospace industry requirements for mass consistency and uniformity.

• Research and Development
  Used in R&D to characterize new textile glass fibre prepreg formulations or compare different manufacturing batches.

• Supplier Qualification
  Ensures suppliers provide materials with consistent mass per unit area, critical for reliable composite performance in aircraft and spacecraft.

• Composite Performance Optimization
  Accurate mass measurements underpin analyses of mechanical properties and help optimize the layup and curing processes in composite fabrication.

Related Standards

• EN 12015: Textile Glass Fibre Prepregs - Determination of Resin Content
  Complements EN 2329 by addressing additional material property measurements important for composite design.

• EN ISO 9001: Quality Management Systems
  Provides a framework that aerospace manufacturers and testing labs may use alongside EN 2329 to ensure overall product quality.

• ASTM D3776: Standard Test Methods for Mass per Unit Area of Fabric
  An international counterpart that includes similar measurement methods for textile materials.

• EN 2564: Aerospace Composite Materials – Test Methods
  Details general test procedures for aerospace composite materials, supporting the application of EN 2329 in broader composite testing programs.

Keywords: EN 2329, aerospace standard, glass fibre preimpregnates, mass per unit area, textile glass fibre, composite testing, aerospace composites, material characterization, quality control aerospace, CEN standards.