Overview
ISO 1107:2017, titled "Fishing nets - Netting - Basic terms and definitions," is an international standard developed by the International Organization for Standardization (ISO) to provide clear and consistent terminology related to the netting used in fishing nets. This third edition standard clarifies principal terms, definitions, and methods for expressing dimensions of fishing net netting, ensuring uniform understanding across the fishing industry, textile manufacturers, and regulatory bodies.
This standard is crucial for professionals involved in the design, manufacture, and regulation of fishing nets to ensure precise communication about net construction, measurement, and functionality.
Key Topics
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Definitions of Netting and Filaments: The standard explains the components of netting including "maillage" (netting), "fil" (filament), and specific filament types such as twisted yarns ("ficelle de maillage"), cabled yarns ("ficelle câblée"), and braided cords ("corde tressée de maillage").
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Mesh Types and Shapes:
- Diamond mesh: A four-sided mesh with equal sides.
- Square mesh: A diamond mesh with adjacent sides at right angles.
- Hexagonal mesh: Six-sided mesh with specific side length variations.
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Mesh Dimensions:
- Length of mesh side (center to center between knots or crossings).
- Mesh length in knotted and knotless nets.
- Mesh openings and how these are measured differently depending on knotted or knotless netting.
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Netting Directional Terms:
- Sense N (perpendicular or depth) and Sense T (parallel or length) describing the orientation of netting yarns.
- Directional measurements are differentiated for knotted versus knotless netting to accurately represent mesh length and tension.
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Measurement Methods:
- Complete guidelines for measuring mesh size when the net is fully stretched.
- Definitions of average mesh length and half-mesh length tailored for quality control and specification compliance.
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Technical Notes:
- Reference to other standards for yarn measurement like ISO 858 (designation of yarns in Tex system) and ISO 1139 (yarn designation).
- Classification of netting filaments based on construction (twisted, cabled, braided).
Applications
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Fishing Industry: Precise specifications help in selecting appropriate nets for different fish species and fishing methods, supporting sustainable and efficient fishing practices.
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Net Manufacturers: Enables accurate description of net properties for quality assurance, manufacturing, and product labeling.
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Regulatory Authorities: Utilized to enforce regulatory standards governing mesh size for conservation and legal compliance across international fisheries.
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Research and Development: Facilitates innovation in net design by establishing a standardized terminology framework for testing and documenting new net materials and structures.
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Trade and Commerce: Harmonized language on netting dimensions and types helps avoid misunderstandings in international trade of fishing nets and related equipment.
Related Standards
ISO 1107:2017 is complemented by several related ISO documents essential for comprehensive understanding and application:
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ISO 858 – Designation of yarn for fishing nets using the Tex system, standardizing filament thickness measurements.
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ISO 1139 – Textile yarn designation, providing definitions applicable to filaments and threads used in netting.
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ISO 10241-1:2011 – Terminological articles in standards, relevant to presenting terms and definitions consistently.
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ISO 1530:2003 – Description and designation of knotted net panels, supporting detailed classification of finished net products.
Access to ISO Online Browsing Platform (https://www.iso.org/obp) and IEC Electropedia (http://www.electropedia.org/) provides further terminological resources that complement ISO 1107:2017.
ISO 1107:2017 is essential for maintaining clarity and consistency in the fishing net industry, enhancing safety, compliance, and performance through standardized terminology and measurement protocols for fishing net netting.