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  2. Spray foam - Wikipedia

    en.wikipedia.org/wiki/Spray_foam

    Spray foam insulation or spray polyurethane foam (SPF) is an alternative to traditional building insulation such as fiberglass. A two-component mixture composed of isocyanate and polyol resin comes together at the tip of a gun, and forms an expanding foam that is sprayed onto roof tiles, concrete slabs, into wall cavities, or through holes ...

  3. Bromotrifluoromethane - Wikipedia

    en.wikipedia.org/wiki/Bromotrifluoromethane

    Warning sign for fire suppression system Civilian Halon 1301 fire extinguisher, USA, 1980s. Halon 1301 was developed in a joint venture between the U.S. Army and Purdue University in the late 1940's, [5] and became a DuPont product in 1954.

  4. List of UN numbers 1201 to 1300 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_1201_to...

    n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [4]

  5. Company defends use of toxic foam to battle blaze at Illinois ...

    www.aol.com/company-defends-toxic-foam-battle...

    A company has defended the use of toxic foam to battle back a blaze at its Illinois plant, sparked by an explosion that came just after an inspection.

  6. Toxic foam coats sacred river near New Delhi as Indian ... - AOL

    www.aol.com/toxic-foam-coats-sacred-river...

    A thick layer of toxic foam has coated parts of a sacred river near New Delhi as the Indian capital battles an acrid and noxious smog that has settled across the city.

  7. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    The manufacture of icynene involves many toxic petrochemicals. Sealection 500 spray foam R-3.8 (RSI-0.67) per inch. [12] a water-blown low density spray polyurethane foam that uses water in a chemical reaction to create carbon dioxide and steam which expands the foam.

  8. A river in Madurai overflows with toxic foam - AOL

    www.aol.com/lifestyle/river-madurai-overflows...

    Firefighters in India battle to contain toxic foam overflowing from polluted river 

  9. Decontamination foam - Wikipedia

    en.wikipedia.org/wiki/Decontamination_foam

    Decontamination foam (known commonly as decon foam) is a spray-on cleaning solution used on surfaces that have been contaminated with biological or chemical agents (e.g., chemical warfare agents, anthrax spores or toxic industrial materials). [1] Decon foam has been found to make numerous chemical and biological agents harmless.