Search U.S. Borax Products
High quality, high reliability, high performance borate products. It’s what we’re known for.
Featured Products
Featured Applications
About U.S. Borax
Global leadership in industrial borate supply, technology, and science—with local commitment to people and community.
Learn More
Partnering with U.S Borax
Get quick answers and easy connections to product documentation, certification and safety information, expert technical support, and more.
Common Support Topics
Support Documentation
Product Quality
To better understand the subject of fire retardancy it is necessary to comprehend the various fire retardant mechanisms exhibited by U.S. Borax fire retardants. This can apply to most cellulosic applications.
U.S. Borax products are used in a variety of fire retardant applications, including polymer-based applications, cellulose protection, lumber, and plywood.
Cellulose, the basis of wood, cotton, and most other plant-derived raw materials, is in widespread industrial use. It is inherently flammable in many of its forms—paper being a typical example.
Firebrake 500 is a dehydrated zinc borate with multifunctional fire retardant applications in a variety of polymers.
Firebrake zinc borates are multi-functional flame retardants. Firebrake ZB and Firebrake 500 can be fed to extruders, calenders, or injection moulding equipment in the same way as other solid polymer additives.
Firebrake ZB is a unique form of zinc borate with multifunctional fire retardant applications in plastic and rubber compounds.
Firebrake ZB Fine is recommended for applications where maximum fire test performance is needed and physical properties are critical.
Firebrake ZB, a boron-based multi-functional pigment, has been used by the coating industry for years.
Firebrake ZB, a boron-based multi-functional fire retardant, has been used as flame retardant, smoke suppressant, and afterglow suppressant in both halogen-containing and halogen-free elastomers.
Firebrake ZB, a boron-based multi-functional fire retardant, has been used as flame retardant, smoke suppressant, and afterglow suppressant in both halogen-containing and halogen-free epoxy.
Firebrake ZB is a borate product used extensively as a partial or complete replacement for antimony oxide and other high-cost flame retardants in flexible polyvinyl chloride (PVC).
Firebrake is our line of zinc borate products—multifunctional fire retardants for polyamides in applications such as electrical connectors, bobbins, circuit breaker, housings, transformer components, and encapsulations.