The updated safety standards for water-resistant footwear involve a change in the classification code from 'WRU' to 'WPA,' while the 'WR' designation for waterproof footwear remains unchanged. These standards are part of broader safety footwear regulations, such as ASTM 2413 and EN ISO 20345, which ensure the footwear meets specific performance criteria, including water resistance, impact protection, and compression resistance. Water-resistant footwear must pass a hydrostatic head test of at least 200 mm water pressure, and safety footwear must include protective caps that withstand 200-joule impacts and 15 KN compression. The basic safety shoe classification starts at SB, with additional levels (S1, S1P, S2, S3) indicating further protective features.
Key Points Explained:
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Updated Classification Codes for Water-Resistant Footwear
- The previous 'WRU' code for water-resistant footwear has been replaced with 'WPA.'
- The 'WR' code for waterproof footwear remains unchanged.
- These updates help standardize labeling and ensure clarity for purchasers and users regarding the level of water resistance.
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Relevant Safety Footwear Standards
- Two primary standards govern safety footwear:
- ASTM 2413: A U.S. standard covering puncture resistance, electrical hazard protection, and other safety features.
- EN ISO 20345: The European standard requiring a protective toe cap that withstands 200-joule impacts and 15 KN compression.
- Compliance with these standards ensures the footwear meets minimum safety requirements for industrial and outdoor use.
- Two primary standards govern safety footwear:
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Water Resistance Testing Requirements
- Water-resistant footwear must pass a hydrostatic head test, enduring at least 200 mm of water pressure before leaking.
- This test simulates prolonged exposure to wet conditions, ensuring the footwear performs adequately in rainy or snowy environments.
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Safety Footwear Classification Levels
- Basic safety shoes are marked SB, indicating they meet the minimum requirements of EN ISO 20345.
- Additional protection levels include:
- S1: Anti-static, energy absorption, and fuel/oil resistance.
- S1P: Same as S1 but with puncture-resistant midsoles.
- S2: Adds water resistance (tested for 60 minutes).
- S3: Includes S2 features plus puncture resistance and lugged outsoles for better grip.
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Material and Design Considerations
- Water-resistant footwear often uses treated canvas or leather uppers and rubber outsoles with special coatings.
- Safety footwear must balance durability, comfort, and protection, making material selection critical for performance.
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Practical Implications for Purchasers
- When selecting water-resistant or safety footwear, verify the updated 'WPA' code for water resistance.
- Check for compliance with EN ISO 20345 or ASTM 2413 to ensure adequate protection.
- Consider the intended environment (e.g., wet, oily, or rugged terrain) to choose the appropriate classification (S1-S3).
These updates and standards ensure that water-resistant and safety footwear meets rigorous performance criteria, protecting workers in demanding conditions while providing clarity for procurement decisions.
Summary Table:
| Key Aspect | Details |
|---|---|
| Updated Classification | 'WRU' replaced by 'WPA'; 'WR' remains for waterproof footwear. |
| Primary Standards | EN ISO 20345 (EU), ASTM 2413 (US) for impact/compression resistance. |
| Water Resistance Test | Hydrostatic head test (≥200 mm water pressure). |
| Safety Levels (EN ISO 20345) | SB (basic), S1 (anti-static), S1P (puncture-resistant), S2 (water-resistant), S3 (S2 + lugged soles). |
| Material Requirements | Treated leather/canvas uppers, rubber outsoles with protective coatings. |
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