GB16413-2026

Safety technical requirements for non-metallic products in coal mines

煤矿用非金属制品安全技术要求

GB 16413-2026 é uma norma nacional chinesa obrigatória que entrará em vigor: Safety technical requirements for non-metallic products in coal mines. Setor: Máquinas. Foco: Segurança de produtos. Entrada em vigor: 1 de abr. de 2027.

A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.

Visão geral de conformidade

Esta visão geral está disponível por enquanto apenas em inglês.

Escopo e aplicabilidade

This standard applies to non-metallic products used in underground coal mines, including conveyor belts, ventilation ducts, plastic pipes, resin anchor bolts, and hoses. It explicitly excludes cables and tires. Manufacturers supplying polymer-based components to the Chinese coal mining industry must strictly adhere to these mandatory safety requirements. The standard is essential for verifying the safety of materials operating in hazardous, potentially explosive environments.

Requisitos técnicos

The standard comprehensively specifies safety requirements across four main categories. First, it defines mechanical properties such as tensile strength, pressure resistance (both positive and negative), and pulse performance for hydraulic hoses. Second, it mandates strict flame retardant and antistatic properties, requiring materials to self-extinguish within specific timeframes and maintain low surface resistance to prevent spark discharge. Products must pass rigorous burn tests using alcohol burners, propane burners, and drum friction methods. Third, the standard introduces weathering resistance requirements, ensuring that flame retardant and antistatic properties remain effective after thermal aging and water immersion treatments. Finally, it outlines environmental safety characteristics, setting maximum limits for heavy metals like lead and arsenic, and establishing thresholds for smoke density and flue gas toxicity during combustion. Compliance with these multi-tiered safety parameters is mandatory for all specified mining components.

Métodos de ensaio

The standard outlines a series of specialized testing procedures to verify compliance. Key tests include the burner combustion test (using alcohol and propane burners) to measure flame and flameless combustion times, and the drum friction test for conveyor belts to assess ignition under mechanical friction. Antistatic properties are verified through surface resistance measurements using specific electrode configurations. Additionally, it mandates weathering tests via thermal aging and water immersion, heavy metal analysis using microwave digestion and ICP-OES, and smoke density/toxicity tests utilizing a single-chamber method and FTIR spectroscopy.

Perguntas frequentes

What products are regulated under GB 16413-2026?

This standard regulates non-metallic products used in underground coal mines, such as conveyor belts, ventilation ducts, plastic pipes, resin anchor bolts, and hoses. It explicitly excludes cables and tires.

Are there any major updates from the previous version of GB 16413?

The 2026 revision replaces GB 16413-2009 and introduces several significant additions. It now includes requirements for mechanical properties (tensile, pressure resistance, pulse), weathering resistance, and environmental safety characteristics (lead/arsenic limits, smoke density, and flue gas toxicity).

How does GB 16413-2026 differ from ISO standards?

While it references international test principles like the single-chamber smoke density test from GB/T 8323.2 (ISO 5659-2), GB 16413-2026 is a mandatory Chinese national standard tailored specifically for the rigorous safety environment of underground coal mining. It sets strict, mine-specific limits on flame retardancy and antistatic properties that differ from general ISO standards.

The summary above provides a high-level overview of GB 16413-2026. 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 16413-2026 today to access all detailed parameters, tables, and testing procedures.

Indicações de aplicabilidade

Tipo: Segurança
CCS: G31
ICS: 83.080.01
Órgão competente: National Mine Safety Administration
Comitê técnico: National Mine Safety Administration

Relações

Substitui:GB 16413-2009 (Vigente)