☣️ UN 1345 • CLASS 4
Rubber shoddy, powdered or granulated
Placard: Flammable Solid. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
🚒☣️
⚠️ This page is a quick-reference aid. For real incidents: stage upwind, isolate, deny entry, request Hazmat early, and consult the current ERG + SOP/SOG.
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Quick details
UN 1345
Class: 4
Placard type: Flammable Solid
ERG: Guide 133 (check current ERG)
Isolation: ERG 133: Small spills isolate 25m all directions; large spills isolate 50m, evacuate 300m if tank/railcar involved in fire
Chemical & Response Details
| Also known as | Rubber shoddyPowdered rubber shoddyGranulated rubber shoddyReclaimed rubber powderGround rubber waste |
| Appearance | Brown to black powdered or granulated solid material derived from scrap rubber. Typically has a characteristic rubber odor and appears as fine particles or granules at room temperature. |
| Flash Point | Not applicable (combustible solid) |
| Boiling Point | Not applicable (solid material, decomposes) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water |
| Extinguishing | Dry chemical, CO2, water spray, foam suitable for Class B fires |
| PPE | ⚠️ Level D minimum for routine handling; Level C with SCBA for fire or large spill situations; dust mask or respirator to prevent inhalation of fine particles |
| Isolation | ERG 133: Small spills isolate 25m all directions; large spills isolate 50m, evacuate 300m if tank/railcar involved in fire |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Flammable/combustible material.
- May be ignited by friction, heat, sparks or flames.
- Some may burn rapidly with flare-burning effect.
- Powders, dusts, shavings, borings, turnings or cuttings may explode or burn with explosive violence.
- Substance may be transported in a molten form at a temperature that may be above its flash point.
- May re-ignite after fire is extinguished.
- Fire may produce irritating and/or toxic gases.
- Contact may cause burns to skin and eyes.
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- Isolate spill or leak area for at least 25 meters (75 feet) in all directions.
- Consider initial downwind evacuation for at least 100 meters (330 feet).
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UN 1345 — Rubber shoddy, powdered or granulated HAZMAT RADIO NOTE — UN 1345
Product: Rubber shoddy, powdered or granulated
Class 4 / Flammable Solid / ERG 133
PPE: Level D minimum for routine handling; Level C with SCBA for fire or large spill situations; dust mask or respirator to prevent inhalation of fine particles
ISOLATION: ERG 133: Small spills isolate 25m all directions; large spills isolate 50m, evacuate 300m if tank/railcar involved in fire
ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO
Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.
=== IC HAZMAT BRIEFING ===
UN 1345 — Rubber shoddy, powdered or granulated
Class: 4 | Placard: Flammable Solid | ERG Guide: 133
Appearance: Brown to black powdered or granulated solid material derived from scrap rubber. Typically has a characteristic rubber odor and appears as fine particles or granules at room temperature.
Water Reactivity: No significant reaction with water
Extinguishing: Dry chemical, CO2, water spray, foam suitable for Class B fires
PPE: Level D minimum for routine handling; Level C with SCBA for fire or large spill situations; dust mask or respirator to prevent inhalation of fine particles
Isolation: ERG 133: Small spills isolate 25m all directions; large spills isolate 50m, evacuate 300m if tank/railcar involved in fire
— Key Hazards —
• Flammable/combustible material.
• May be ignited by friction, heat, sparks or flames.
• Some may burn rapidly with flare-burning effect.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
• Keep unauthorized personnel away.
• Stay upwind, uphill and/or upstream.
• Isolate spill or leak area for at least 25 meters (75 feet) in all directions.
SOURCE: allfirefighter.com/hazmat/un/1345 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1345 Rubber shoddy, powdered or granulated Cls4 ERG133 | allfirefighter.com/hazmat/un/1345SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS. Includes link to full page.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions. Page: https://allfirefighter.com/hazmat/un/1345
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FAQ
Flammable/combustible material. May be ignited by friction, heat, sparks or flames. Some may burn rapidly with flare-burning effect. Powders, dusts, shavings, borings, turnings or cuttings may explode or burn with explosive violence. Substance may be transported in a molten form at a temperature that may be above its flash point. May re-ignite after fire is extinguished. Fire may produce irritating and/or toxic gases. Contact may cause burns to skin and eyes.
CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper Keep unauthorized personnel away. Stay upwind, uphill and/or upstream.
Level D minimum for routine handling; Level C with SCBA for fire or large spill situations; dust mask or respirator to prevent inhalation of fine particles
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 133 and your department SOP/SOG for incident-specific protective actions.
Sources (high level): DOT/PHMSA marking & class concepts + ERG usage principles. This page does not reproduce ERG guide text—always consult the current ERG for incident-specific protective actions.