D.O.T. Dangerous When Wet Label for Hazardous Materials

D.O.T. Dangerous When Wet Label for Transportation of Hazardous Materials - Class 4

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  • Stock #: HML409
  • Weight: 3.0 lbs.
  • Qty/Roll: 500
  • Stock #: HML409
  • Weight: 3.0 lbs.
  • Qty/Roll: 500

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D.O.T. Labels - Dangerous
HML409
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"Dangerous When Wet" Hazard Class 4 Transportation Label

Stock #: HML409

This DOT EXPLOSIVES Dangerous When Wet label clearly identifies potential hazards like mixing sodium and water in a familiar design. This 4 inch x 4 inch, Department of Transportaion shipping label conveys hazard information for containers or shipments of hazardous materials. The white text on the blue background with the fire graphic cleary states "DANGEROUS WHEN WET" CLASS 4. Flexible label stock with permanent adhesive. Printed with UV-stable ink and issuitable for indoor or outdoor use at service temperatures from -40 F to +180 F.

This transportatioin label indicates that solid substances will emit a flammable gas when wet or react violently with water. Some of the items that you need to take into consideration when you are transporting them are sodium, calcium, potassium and calcium carbide. This is not an all inclusive list but a good standard to check yourself against. 4.3 Dangerous when Wet: Solid substances that emit a flammable gas when wet or react violently with water (sodium, calcium, potassium, calcium carbide (Calcite))

 

Height 4"
Width 4"
Size 4"h x 4"w
Wording

DANGEROUS WHEN WET 4

Langauge English
Reflectivity Non-Reflective
Glow Non-Glow
Color WHITE / BLUE
Hazard Class HAZMAT Class 4 Flammable Solids

 

Electronic Code of Federal Regulations for SPONTANEOUSLY COMBUSTIBLE D.O.T. Label

 

This Department of Transportation SPONTANEOUSLY COMBUSTIBLE label is very often referred to as an Accuform brand with the part number of MSL201EV5

 

Property : Potassium Carbonate may be monoclinic crystal, white powder, granular crystal or prill. The relative density is 2.428 and the melting point is at 891 degree C .It is easily soluble in water forming a slightly alkaline solution. It is insoluble in alcohol and ether. It has strong hygroscopicity. It easily cakes and turns into Potassium Bicarbonate through absorbing carbon dioxide when exposed to the air for a long time.


Applications : Potassium Carbonate is used as raw materials in manufacturing electro tube, TV kinescope, computer display. It is applied in optical glass improving clarity, strength and refractive index. It is also applied in electrode avoiding electric arc breaking-off during welding. It is used to produce food additives like potassium sorbate, monopotassium phosphate, etc. Potassium Carbonate is foliar spray fertilizer and a constituent of compound fertilizer. In dyeing industry, it is used to produce vat dyestuff and discharge of ice dyeing. It is absorbent removing hydrogen sulfide and carbon dioxide; dry powder extinguisher mixed with soda; auxiliary raw material for producing alcohol and acetone; and anti-aging agent in rubber production. Its solution is used in boiling and scouring of cotton cloth and wool's degreasing. In addition, it is also used in manufacture of printing ink, photograph-drug, polyester, explosives, electroplating, tanning, ceramic, building materials, crystals and medicine.


Packing : Plastic woven bag or kraft paper bag inner with plastic bag, in 25/50 /500/800/900/1000KG net .
Handling and Storage : Store in dry and ventilated house away from moisture. Don't store in goods yards or expose to the air. Protect the material from rain when loading and unloading. Be sure to keep the package dry and free from contaminant. Avoid handling and transporting together with acid substances. In the event of a fire, use water as extinguishing agent.

 

Division 4.3: Dangerous When Wet

Dangerous when wet material is material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 liter per kilogram of the material, per hour, when tested in accordance with the UN Manual of Tests and Criteria.

 

 

 

 

TypeDescription
Type A Self-reactive material type A is a self-reactive material which, as packaged for transportation, can detonate or deflagrate rapidly. Transportation of type A self-reactive material is forbidden.
Type B Self-reactive material type B is a self-reactive material which, as packaged for transportation, neither detonates nor deflagrates rapidly, but is liable to undergo a thermal explosion in a package.
Type C Self-reactive material type C is a self-reactive material which, as packaged for transportation, neither detonates nor deflagrates rapidly and cannot undergo a thermal explosion.
Type D Self-reactive material type D is a self-reactive material which:
• Detonates partially, does not deflagrate rapidly and shows no violent effect when heated under confinement; • Does not detonate at all, deflagrates slowly and shows no violent effect when heated under confinement; or
• Does not detonate or deflagrate at all and shows a medium effect when heated under confinement.
Type E Self-reactive material type E is a self-reactive material which, in laboratory testing, neither detonates nor deflagrates at all and shows only a low or no effect when heated under confinement.
Type F Self-reactive material type F is a self-reactive material which, in laboratory testing, neither detonates in the cavitated state nor deflagrates at all and shows only a low or no effect when heated under confinement as well as low or no explosive power.
Type G Self-reactive material type G is a self-reactive material which, in laboratory testing, does not detonate in the cavitated state, will not deflagrate at all, shows no effect when heated under confinement, nor shows any explosive power. A type G self-reactive material is not subject to the requirements of this subchapter for self-reactive material of Division 4.1 provided that it is thermally stable (self-accelerating decomposition temperature is 50°C (122°F) or higher for a 50 kg (110 pounds) package). A self-reactive material meeting all characteristics of type G except thermal stability is classed as a type F self-reactive, temperature control material.

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