All Class 5 Diamonds

Protect your workplace and transport operations with our range of Class 5 Diamonds. These signs clearly mark oxidising substances and organic peroxides, helping prevent accidents during storage, handling, and transport. Each diamond meets HSNO and NZ safety standards for fast recognition and compliance.
Browse our product options below!

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Durable Signage

Our HSNO diamonds feature bold symbols and bright orange backgrounds for clear visibility. Made from tough, weather-resistant materials, they remain readable indoors and outdoors, ensuring reliable hazard identification in warehouses, laboratories, and transport vehicles.

Class 5 Subcategories

We supply all Class 5 Diamonds to meet HSNO and workplace safety requirements:

  • Class 5.1 – Oxidising Agent: Substances that may cause or intensify fires by releasing oxygen.
  • Class 5.2 – Organic Peroxide: Chemicals that can undergo violent decomposition and increase fire hazards.
  • Class 5.2 – Organic Peroxide (UN): UN-coded diamonds for international transport of organic peroxides.

Each diamond provides fast, clear hazard recognition and supports full compliance with New Zealand HSNO regulations.

Built for NZ Conditions

Our signage use high-quality, durable materials suitable for harsh environments. They remain legible in extreme conditions and long-term use.

Fast NZ Delivery and Support

Rifft Safety offers nationwide delivery and expert guidance on hazardous substance signage. Whether you need bulk orders or advice on placement, our team ensures your site stays safe and compliant.

Identify oxidising hazards clearly and stay compliant. Shop our Class 5 Diamonds online or contact our team for expert support or bulk orders.

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All Products: 3
Total Filtered Products: 3

$21 .50

Excl GST

SKU: SS-HS5A

$21 .50

Excl GST

SKU: SS-HS5B

$21 .50

Excl GST

SKU: SS-HS5C
Total Filtered Products: 3
All Products: 3

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0800 474 338

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🎄🎅 Merry Christmas and Happy New Year! 🎉✨

Summer Santa is here, and even he needs a break! 🌞🎅 We'll be closed from 20th Dec to 6th Jan 2025 to soak up the sun and recharge.

Online orders will still be accepted however any orders placed after the 18th Dec may not be dispatched until 8th Jan 2025. Thank you for your support, and see you in the New Year! 🌟