GB5725-2025

Fall protection—Safety nets

坠落防护安全网

GB 5725-2025 es una norma nacional china obligatoria de próxima entrada en vigor: Fall protection—Safety nets. Sector: Sanitario. Enfoque: Seguridad de productos. Entrada en vigor: 1 sept 2026.

La aplicabilidad depende del alcance del producto, la vía de certificación, los avisos de la autoridad competente y las reglas de transición. Solicite una traducción o verifique la fuente antes de usar esta ficha en una decisión de cumplimiento.

Resumen de cumplimiento

Este resumen está disponible por ahora solo en inglés.

Alcance y aplicabilidad

This standard applies to safety nets used across various industries including construction, water conservancy, highway, electric power, shipbuilding, chemical, mining, and ports. It covers nets used during construction and facility operation to prevent personnel or object falls, restrict movement, and block particulate matter or visibility. This standard is not applicable to safety nets used for emergency rescue or firefighting operations. The products are categorized by mounting orientation (horizontal or vertical) and manufacturing processes like twisted weaving, warp knitting, and dip-coating.

Requisitos técnicos

GB 5725-2025 establishes comprehensive technical specifications for safety nets, categorized into four protection levels: SⅠ, SⅡ, CⅠ, and CⅡ. The standard mandates strict structural design criteria depending on the manufacturing process, including mesh size limitations, rope spacing, and the securement of edge ropes and tie ropes. Manufacturers must ensure structural integrity prevents any rope slippage or unfastening during use. The standard sets rigorous static strength requirements for the net body. This includes specifying breaking stress limits for border ropes, mesh ropes, and tendon ropes in twisted woven nets, as well as combined breaking force and elongation parameters for warp-knitted and dip-coated nets. These strength metrics must be strictly verified to prevent catastrophic failure under load. Additional performance criteria include impact resistance, ensuring the net can absorb falling loads without rope breakage or excessive tearing, and penetration resistance for specific net types. The standard also regulates flame retardant performance, dictating maximum afterflame and afterglow times, and mandates corrosion resistance for all metallic components to prevent red rust. Finally, weather resistance is required, ensuring that static strength mechanical indicators do not degrade by more than 20% after artificial weathering exposure.

Métodos de ensayo

The standard outlines specific testing procedures to verify compliance. Static strength testing is conducted using a tensile testing machine to measure breaking force and elongation, referencing methods from GB/T 8834 and GB/T 21292. Impact resistance testing involves dropping a 100kg steel ball from specified heights (e.g., 7.0m for SⅠ level) or using a pendulum side-swing method for vertical nets. These tests strictly evaluate the net's energy absorption capacity. Penetration resistance testing uses a weighted penetrator dropped from a set height to ensure it does not pierce the net body. Flame retardant testing follows the vertical burning methods outlined in GB/T 5455-2014 and GB/T 14645. Furthermore, corrosion resistance is assessed via a 48-hour neutral salt spray test per GB/T 10125, and weather resistance is evaluated using a 400-hour fluorescent UV condensation method according to GB/T 14522.

Preguntas frecuentes

What products and industries are regulated under GB 5725-2025?

GB 5725-2025 applies to safety nets used in industries such as construction, water conservancy, highway, electric power, shipbuilding, chemical, mining, and ports. It is not applicable to safety nets used for emergency rescue or firefighting operations.

Are there any major updates from the previous version of GB 5725?

The 2025 version removes requirements for material quality and aging resistance, while introducing new requirements for structural design and static strength of the net body. It also updates testing methods for impact resistance, penetration resistance, and weather resistance, and introduces new classification levels such as SⅠ, SⅡ, CⅠ, and CⅡ.

How does GB 5725-2025 differ from international standards like EN or ANSI?

GB 5725-2025 references international methodologies such as EN 1263-1:2014 and ANSI A10.11-2010 in its bibliography. However, it establishes specific Chinese classification levels and distinct testing parameters, meaning manufacturers must specifically test against GB 5725-2025 requirements for Chinese market compliance rather than relying solely on ISO or EN certifications.

The summary above provides a high-level overview of GB 5725-2025. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 5725-2025 today to access all detailed parameters, tables, and testing procedures.

Indicaciones de aplicabilidad

Tipo: Producto
CCS: C73
ICS: 13.340.99
Organismo competente: Ministry of Emergency Management
Comité técnico: National Technical Committee on Personal Protective Equipment of Standardization Administration of China

Relaciones

Sustituye a:GB 5725-2009 (Vigente)