Paint, coatings, adhesives, and resin solutions are some of the most common hazmat shipments moving through South Florida distribution centers, and some of the most frequently mis-classified. The flash point on the SDS, not the product name on the label, determines the UN number, packing group, and packaging requirements. This post covers classification, how packaging changes by transport mode, and what documentation a manufacturer or distributor needs before freight moves.
UN1263 Paint and Paint Related Material
Most solvent-based paints, varnishes, lacquers, and related products ship under UN1263, Paint (or Paint related material), Class 3 flammable liquid, when the flash point falls at or below the Class 3 threshold in 49 CFR, the IATA DGR, or the IMDG Code. Packing group assignment generally follows flash point and initial boiling point:
- Packing Group II — flash point below roughly 23°C (73°F), with initial boiling point above 35°C
- Packing Group III — flash point between roughly 23°C and 60°C (73°F–141°F)
Our packing groups explained guide covers this in more depth. These thresholds are periodically revised, so treat the numbers above as a general guide, not a substitute for the current 49 CFR, IATA DGR, or IMDG Code, read alongside SDS Sections 9 and 14. Classification should be verified per product, not assumed from a prior shipment.
UN1133 Adhesives
Solvent-based adhesives, contact cements, and many one- and two-part bonding agents ship under UN1133, Adhesives, Class 3, with the same flash point-driven packing group logic as paint. Water-based, latex, and hot-melt adhesives frequently fall outside Class 3 because they lack a flammable solvent carrier — but “water-based” on a label is not itself a classification; check the SDS for flash point and secondary hazards such as corrosivity.
UN1866 Resin Solution
Resin solutions — thinned polyester, epoxy, and similar systems carried in a flammable solvent — typically ship under UN1866, Resin Solution, Class 3, assigned to Packing Group II or III based on flash point. Straight, unthinned resins with no flammable solvent carrier may not be regulated at all, or may fall under a different classification. “Resin” covers everything from an inert two-part epoxy to a flammable styrene-thinned polyester, so the product name alone isn’t a reliable guide.
Water-Based vs. Solvent-Based: Why It Changes Everything
The single biggest classification fork in this category is formulation. A water-based latex paint or acrylic adhesive often has no flash point low enough to trigger Class 3 and may ship non-hazardous, assuming the SDS confirms it. A solvent-based version, using mineral spirits or xylene, is very likely a regulated Class 3 flammable liquid. Distributors carrying both need a process that checks the SDS per SKU rather than assuming the family ships alike.
Limited Quantity and Consumer Commodity Provisions
Small containers of paint, adhesive, or resin solution often qualify for reduced packaging and marking under Limited Quantity provisions in 49 CFR, the IATA DGR, or the IMDG Code, provided the per-package and inner-container limits are met. Some products may also move under ground “Consumer Commodity” provisions. These are genuine relief provisions, not loopholes, but the limits and paperwork differ by mode and are frequently misapplied when ground Limited Quantity freight is later tendered for air. Our guide to limited quantity vs. excepted quantity shipping covers where shippers get this wrong.
Aerosol Paint: UN1950
Spray paint and other aerosolized coatings ship under UN1950, Aerosols, classified based on the flammability of the contents and propellant, with additional consideration for container pressure. Aerosols have their own packaging, labeling, and quantity-limit framework separate from the liquid-fill classifications above, and the rules differ meaningfully between modes — air transport carries tighter restrictions. Shippers moving aerosol and liquid paint in the same order should treat them as two separate classification problems. See our detailed breakdown in the shipping aerosols UN1950 guide.
Packaging Differences by Mode
| Mode | Typical packaging considerations |
|---|---|
| Ground (49 CFR) | UN-rated packaging sized to packing group; Limited Quantity relief widely available for small containers |
| Ocean (IMDG Code) | UN-spec packaging plus stowage and segregation requirements; marine pollutant status may apply independent of flammability |
| Air (IATA DGR) | Tighter quantity limits, more restrictive Packing Group I handling, separate Limited Quantity (“Y”) packing instructions |
Freight that transfers from truck to ocean vessel or aircraft — common through PortMiami, Port Everglades, or Miami International Airport cargo facilities — needs packaging that satisfies the most restrictive mode in its routing, not just the mode it starts on. A drum packed to ground-only specs can fail an air or ocean tender if it wasn’t built to the applicable DGR or IMDG instruction.
Repacking and Reworking Damaged Shipments
Paint, adhesive, and resin shipments are common candidates for repacking — a damaged drum found at a distribution center, aerosol cans needing reconfiguration for a different carrier, or a partial shipment consolidated into compliant containers before it can move again. This must happen in UN-rated packaging matched to the product’s classification and packing group, handled by people who understand compatibility between resin, solvent, and propellant chemistries. Go Hazmat’s hazmat repacking service in Miami handles this for coatings and adhesives shippers who need product reworked without losing transit time.
Documentation a Manufacturer or Distributor Needs
Before paint, coatings, adhesives, or resin freight moves, a shipper should have:
- A current SDS for each formulation, checked at Section 9 for flash point and Section 14 for transport classification
- Correct UN number, proper shipping name, class, and packing group on the shipping papers
- A dangerous goods declaration formatted for the mode in use — air waybill, ocean DG information, or ground shipping paper
- Package marks and labels matching the declared classification and quantity provision
- Emergency response information accompanying the shipment as required
Our SDS Section 14 transport information guide and hazmat shipping papers guide cover translating an SDS into compliant paperwork. Manufacturers who need this handled at scale can use Go Hazmat’s mobile on-site hazmat documentation service, bringing a certified preparer to the warehouse floor.
Classification depends on formulation-specific flash point data, and the underlying thresholds are periodically updated in 49 CFR, the IATA DGR, and the IMDG Code. Always confirm against the current edition of the applicable regulation and the SDS before finalizing a shipment. Go Hazmat can help review classification, prepare documentation, and move Class 3 freight via hazmat LTL, full truckload, or our nationwide hazmat carrier network out of our Miami warehouse serving Miami-Dade, Broward, and Palm Beach.
Frequently asked questions
Does water-based paint ever need to ship as hazmat?
Usually not for flammability, since most water-based paints lack a flash point low enough to trigger Class 3. The SDS should still be checked for other hazards, such as corrosivity, before assuming a water-based product is fully non-regulated.
Can aerosol spray paint ship by air?
Aerosol paint classified as UN1950 can move by air in many cases, but air transport carries tighter quantity limits than ground or ocean modes, and some formulations are restricted on passenger or cargo aircraft. Confirm against the current IATA DGR and the product’s SDS before booking.
What packing group applies to solvent-based adhesives?
It depends on the flash point and initial boiling point of the formulation, generally placing the product in Packing Group II or III under UN1133. There is no single answer for all “adhesives” — each SKU’s SDS needs to be checked individually.
