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Chemical Information Overview  |  Chemical Product  |  Chemical Raw Material  |  Chemical Company
Firebrake ZB-Extra Fine
Zinc borate
1332-07-6
Firebrake ZB is used as a flame retardant, smoke and afterglow suppressant, and anti-arcing agent in polymer systems such as polyvinyl chloride, nylon, epoxy, polyethylene, polypropylene, polyesters, thermoplastic elastomers and rubbers.
Depending on the base polymer used and fire standards to be met, Firebrake ZB can be used to replace partially (or even completely) other fire retardant additives such as antimony oxide.
In some systems, Firebrake ZB displays synergism with antimony oxide.
In halogen-containing systems, the usage level of Firebrake ZB is in the range of 3-25 parts per hundred parts of resin (phr).
In halogen-free systems, the recommended level is in the range of 10-250 phr, normally used in conjunction with alumina trihydrate, magnesium hydroxide, or a silicone polymer.
Examples of starting point formulations are available upon request.
Refractive: 1.58
Median Particle Size: 2 microns(Laser diffraction)
Solubility: Less than 0.28% in water at room temp
Stability: Thermally stable up to 290'C. Can be hydrolyzed by tstrong acis and bases.
Specific Gravity: 2.77
Industrial field additive
US BORAX
Phone 310 816-5141
Fax 310 522-5323
Homepage WWW.BORAX.COM
E-mail JENNIFER.OLK@BORAX.COM
Address 300 FALCON ST WILMINGTON CA 90744
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