ISO 12818:2013

Overview - ISO 12818:2013 (Glass packaging, flaconnage)

ISO 12818:2013 specifies standard tolerances for flaconnage (glass bottles and similar containers) used for pharmaceutical, cosmetic/perfumery and techno‑chemical products. The standard defines acceptable manufacturing and dimensional variation for brimful capacity, height, diameter/width and verticality to ensure interchangeability, safe filling and reliable performance across supply chains for glass packaging.

Keywords: ISO 12818:2013, glass packaging, flaconnage, brimful capacity tolerances, height tolerances, diameter tolerances, verticality tolerances.

Key Topics

• Scope and product groups
  • Applies to bottles used for pharmaceuticals, cosmetics and chemical/techno‑chemical uses.
  • Excludes miniatures, very small extract bottles and small jars (e.g., individual jam portions).
• Brimful capacity tolerances
  • Tables give brimful capacity tolerances by capacity ranges and bottle shape (round vs non‑round).
  • Tolerances are also expressed by formulae that differ for round and non‑round bottles and for capacities above or below specified thresholds (e.g., separate expressions for C ≤ 1000 ml and C > 1000 ml).
• Height tolerances
  • Height tolerance table by H ranges and a compact formula: Th = 0.004 × H + 0.4 mm (used to calculate allowed variation).
• Diameter and width tolerances
  • Diameter tolerances for round bottles and corresponding width tolerances for non‑round bottles, with formulae for different diameter ranges (e.g., Te = 0.008E + 0.4 mm for certain ranges).
• Verticality tolerances
  • Verticality (lean) tolerance given by tabulated values and formulae: for H ≤ 100 mm, Tv = 0.3 + 0.01H; for H > 100 mm, Tv = 1.3% × H.
• Reference measurement and geometry
  • Standard references ISO 1101 (geometrical tolerancing) and ISO 9008 test method for verticality.

Applications - who uses ISO 12818:2013

• Glass manufacturers and mould/tooling designers - to specify acceptable form and capacity during design and production.
• Pharmaceutical and cosmetic packaging engineers - to ensure container compatibility with filling lines, closures and dosing systems.
• Quality control and inspection teams - for incoming inspection, acceptance criteria and batch sampling.
• Procurement and supplier contracts - to set tolerances in purchase specifications and supplier audits.
• Regulatory and compliance specialists - to demonstrate adherence to internationally accepted packaging tolerances.

Practical benefits include improved interchangeability of bottles, reduced waste from rejects, predictable filling performance and clearer supplier specifications.

Related Standards (select)

• ISO 1101 - Geometrical product specifications (GPS) - geometrical tolerancing.
• ISO 9008 - Glass bottles - Verticality - Test method.
• CE.T.I.E. DT15.00 series - Source data basis for this standard.

For manufacturers and specifiers working with glass flaconnage, ISO 12818:2013 is the primary reference for dimensional tolerance requirements that support quality, safety and supply‑chain compatibility.