☣️ UN 1345 • CLASS 4
UN 1345 — Rubber shoddy, powdered or granulated
Placard: Flammable Solid. ERG Guide 133. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
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⚠️ 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.
Rubber shoddy is a flammable solid that is derived from scrap rubber and has a characteristic rubber odor.
Hazard overview: Rubber shoddy is a flammable solid that may be ignited by friction, heat, sparks, or flames. It is a brown to black powdered or granulated solid material.
Response guidance: In case of fire, use dry chemical, CO2, water spray, or foam suitable for Class B fires. Evacuate if a tank or railcar is involved in the fire.
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UN 1345 Quick Details
UN 1345
Product name: Rubber shoddy, powdered or granulated
DOT Class: 4
Placard type: Flammable Solid
ERG Guide: 133 (check current ERG)
Initial isolation: ERG 133: Small spills isolate 25m all directions; large spills isolate 50m, evacuate 300m if tank/railcar involved in fire
Common Hazards of UN 1345
- 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.
Chemical Identity & Physical Properties
Rubber shoddy is a brown to black powdered or granulated solid material derived from scrap rubber.
| 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 |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 1345
Extinguishing Media
Dry chemical, CO2, water spray, foam suitable for Class B fires
PPE Requirements
⚠️ 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
Level D minimum PPE is required for routine handling of rubber shoddy, while Level C with SCBA is required for fire or large spill situations.
Isolation & Evacuation
ERG 133: Small spills isolate 25m all directions; large spills isolate 50m, evacuate 300m if tank/railcar involved in fire
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 133).
First Actions for a UN 1345 Incident
- 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 granulatedHAZMAT 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 —
• 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).
SOURCE: allfirefighter.com/hazmat/un/rubber-shoddy-powdered-or-un-1345 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief.
UN1345 Rubber shoddy, powdered or granulated Cls4 ERG133 | allfirefighter.com/hazmat/un/rubber-shoddy-powdered-or-un-1345SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions.
Page: https://allfirefighter.com/hazmat/un/rubber-shoddy-powdered-or-un-1345
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Frequently Asked Questions about UN 1345
Yes, Rubber Shoddy is a flammable solid.
Yes, water is suitable for extinguishing fires involving Rubber Shoddy.
Level D minimum PPE is required for routine handling, while Level C with SCBA is required for fire or large spill situations.
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.