ISO 16830:2025 PDF

Overview

ISO 16830:2025 - Specification of bamboo drinking straws is an international standard published by ISO/TC 296 that defines requirements, test methods, handling, storage, packaging, marking and labelling for bamboo drinking straws. The standard covers three product types: natural hollow-cylindrical bamboo culms and branches, drilled bamboo straws (holes drilled in culm wall sticks), and coiled (rolled) bamboo veneer straws. It is intended to support safe, consistent, and market-ready bamboo straws as a sustainable alternative to single‑use plastics.

Key Topics and Requirements

• Scope and materials
  • Raw material: bamboo culms aged two years or more; no insect or decay defects.
  • Applicable to natural, drilled, and coiled bamboo straws.
• Sensory and appearance
  • Odour: free of mildew and other peculiar odours; natural bamboo scent permitted.
  • Surface: clean, smooth, and free from splinters, decay, wormholes, cracks, stains, and dust.
  • Pointed straw tips: avoid overly sharp tips for safety.
• Dimensions and shape
  • Length deviation: typically ±3% (unless otherwise agreed).
  • Outer/inner diameter deviation: ±10% (drilled/natural) or ±5% (coiled), per order agreement.
  • Bow: ≤3% for drilled and natural straws; not applicable for coiled in standard.
  • Bevel angle for pointed straws: ≥40°.
• Physical and mechanical
  • Moisture content: **