ISO 12757-1:2017

Overview

ISO 12757-1:2017 - "Ball point pens and refills - Part 1: General use" establishes minimum quality requirements for ball point pens (refillable or non-refillable) and refills intended for general use. It defines classification, dimensional types, performance criteria and standardized test methods to verify writing performance, durability and resistance properties for everyday writing instruments.

Key Topics

• Tip classification (ball diameter)
  • Extra fine (EF): ø < 0.65 mm
  • Fine (F): 0.65 ≤ ø < 0.85 mm
  • Medium (M): 0.85 ≤ ø < 1.05 mm
  • Broad (B): ø ≥ 1.05 mm
• Refill shapes and dimensions
  • Refill types A, B, D, E, F, G (with specified drawings and dimensional tables) and type H for non‑standard shapes.
• Performance requirements
  • Writing performance: smooth writing must start within 20 cm and provide at least 300 m of continuous writing without starvation or line fluctuation.
  • Strike through: no visible strike through to a trained eye.
  • Drying time: line must be non‑smearing per test procedure.
  • Reproducibility, water resistance, light resistance: lines must remain visible or reproducible after specified tests.
  • Shelf life: pens/refills must still meet writing performance after storage tests.
• Test equipment and conditions
  • Write test machine settings (e.g., point load 1.5 N ± 0.1 N; writing speed 4.5 m/min ± 0.5 m/min; spiral pattern).
  • Specified testing papers (Testing Paper A: 80 g/m2 ± 5; Testing Paper B: 70 g/m2 ± 10) and other apparatus (eraser hardness, light test equipment).
  • Climatic test atmospheres: 23/50 (23 °C, 50 % RH) or 27/65 (27 °C, 65 % RH).
  • Sampling: test samples within 6 months of manufacture (except shelf life tests).

Applications

• Quality control and product validation in pen manufacturing and refill production.
• Laboratory testing for performance verification (writing distance, smear resistance, water/light resistance).
• Procurement specifications for office supplies, retailers and OEMs requiring standardized refill dimensions and performance.
• Baseline specification when assessing suitability for everyday documentation (not archival/documentary requirements).

Who should use this standard

• Pen and refill manufacturers, R&D and quality assurance teams.
• Independent test laboratories performing standardized ink and pen tests.
• Buyers and specification writers for office supplies and stationery.
• Standards engineers comparing general‑use pens with documentary-use requirements (see Related Standards).

Related Standards

• ISO 12757-2 - Ball point pens for documentary use (additional archival and legibility requirements).
• ISO 12756 - Vocabulary for drawing and writing instruments.
• Related test standards cited for paper and materials (e.g., ISO 536, ISO 535, ISO 2144, ISO 868).

Keywords: ISO 12757-1:2017, ball point pens, refills, writing performance, tip classification, refill dimensions, pen testing, water resistance, light resistance, shelf life, general use.