Starbetter Chemical Materials Anhydrous Zinc Borate ST-FS-2300FB

Identification & Functionality

Chemical Family

Zinc & Zinc Compounds,

Zinc Salts

Chemical Name

Zinc borate

Plastics & Elastomers Functions

Flame Retardant,

Smoke Suppressant

CAS No.

1332-07-6

EC No.

215-566-6

Technologies

Elastomers,

Plastics

Product Families

Elastomers — Elastomer Additives

Flame Retardants,

Performance Additives

Plastics — Polymer Additives

Flame Retardants,

Performance Additives

Applications & Uses

Markets

Industrial

Applications

Industrial — Chemical & Industrial Manufacturing

Other Industrial Applications

Industrial — Other Industrial Applications

Compatible Polymers & Resins

Fluoropolymers,

Polyamide 6 (PA 6),

Polyesters,

Polyether Ketone (PEK),

Polysulfone (PSU)

Applications

• ST-FS-2300FB can be used as flame retardant and smoke suppressant in a variety of polymers including polyester, nylon, polysulfone, polyetherketone and fluoropolymer. It can also increase the CTI value of the flame-retardant polymers.

Properties

Physical Form

Powder,

Solid

Typical Properties

	Value	Units	Test Method / Conditions
Whiteness	min. 90	—	—
Molecular weight	371.6	—	—
ZnO Content	42.0 - 44.0	%	—
B2O3 Content	52.0 - 56.0	%	—
Weight Loss Rate (TGA, 400C)	max. 1.5	%	—
Volatile Content (105*C, 2hrs)	max. 0.5	%	—
Average Particle Size (D50)	max. 10	µm	—

Packaging & Availability

Package and Storage

• 20kg/package. Transported as common chemicals. Keep in dry and cool place.