EN ISO 15252-1:1999 PDF

Overview

EN ISO 15252-1:1999 - Plastics: Epoxy powder moulding compounds (EP‑PMCs) - Part 1 defines a standardized designation system and basis for specifications for epoxy powder moulding compounds (EP‑PMCs). The standard establishes a compact, unambiguous data block format to describe the polymer identity, fillers/reinforcements, processing method, special properties and any additional purchaser‑supplier requirements. It applies to EP‑PMCs supplied as powders, granules or ground material and is intended for material identification and specification-not for delivering engineering or processing performance data.

Key Topics and Requirements

• Data block system: Designations use an identity block (ISO number) plus an individual‑item block subdivided into five data blocks:
  • Data block 1 - Marking: polymer symbol (EP) and designatory filler/reinforcement type, form and nominal content (code letters/numbers per Table 1).
  • Data block 2 - Method of processing: code letters for intended processing (e.g., M = injection, Q = compression, G = general purpose).
  • Data block 3 - Properties: code for special properties (electrical, mechanical, flame resistance, etc.) and two designatory properties - impact strength (ISO 179‑1) and temperature resistance (ISO 75‑2).
  • Data block 4 - Further information: references to an international, national or company standard.
  • Data block 5 - Optional: additional purchaser‑supplier requirements.
• Notation rules: Use hyphen and commas to separate blocks; use “X” when a block is not applicable but followed by others. Mixtures are indicated with “+” inside parentheses (e.g., EP(GF20+MD20)).
• Limitations: The standard explicitly states that identical designations do not guarantee identical performance; specific test data and processing conditions are outside Part 1 and should be determined using Part 2 test methods where applicable.
• Governance: Any new code‑letters or numbers must be approved by the secretariats of ISO/TC 61 subcommittees to avoid ambiguity.

Applications and Who Uses It

• Material manufacturers: to label and present EP‑PMC product lines consistently.
• Design engineers and specifiers: to identify candidate materials and request specific test data or additional requirements.
• Purchasing and quality departments: for unambiguous ordering, traceability and contractual specifications.
• Standards committees and regulators: to align national or company specifications with the ISO designation system.

Practical applications include electrical components, thermoset mouldings and industrial parts where epoxy powder moulding compounds are used and a standardized material designation simplifies selection and procurement.

Related Standards

• ISO 15252‑2: Preparation of test specimens and determination of properties (for performance testing)
• ISO 15252‑3: Requirements for selected moulding compounds
• ISO 75‑2 (temperature resistance), ISO 179‑1 (impact testing), ISO 1043‑1/2 (polymer and filler symbols), ISO 472 (vocabulary)

Keywords: EN ISO 15252-1:1999, epoxy powder moulding compounds, EP‑PMC, designation system, data block, fillers, processing methods, designatory properties.