BFR Additive HW-972
| STRUCTURE | NUMBER |
| C23H24Br8O2 | 97416-84-7 |
TDS OF HW-972
| Chemical Name: | Brominated Flame Retardant Additive HW-972 |
| Formula: | C23H24Br8O2 |
| Molecular Weight: | 971.67 |
| CAS No.: | 97416-84-7 |
| EINECS: | 306-832-3 |
| Molecular Structure: |  |
General & Use
HW-972 is an additive type of brominated flame retardant. It can be used in polystyrene foam, polyolefin, thermoplastic elastomer, textile finishing and plastic coated double-sided leather.It is an excellent alternative product of HBCD.
Typical Properties
| Appearance | White Powder |
| Bromine Content (%): | 65.3 |
| Melting Point (°C): | >120 |
| Volatility (%): | 0.15 |
| Weight Loss (5%) ℃: | 283 |
Packaging
Available in 25KG / bag or can be customized according to customer requirements, transported as general chemicals.
Frequently Asked Questions
What is BFR Additive HW-972?
BFR Additive HW-972 is a high-molecular-weight polymeric brominated flame retardant (poly-pentabromobenzyl acrylate type) with excellent thermal stability. Its bromine content is ~71%.
What is the CAS number and formula of BFR Additive HW-972?
BFR Additive HW-972 has the CAS number 97416-84-7.
What is BFR Additive HW-972 used for?
BFR Additive HW-972 is used for glass-reinforced engineering-plastic components such as electrical connectors and automotive parts that require non-blooming flame retardancy.
How does BFR Additive HW-972 work?
Being polymeric and high in bromine, it works in the gas phase while resisting blooming and migration, making it ideal for glass-reinforced engineering plastics. It is used with antimony trioxide synergist.
Which materials is BFR Additive HW-972 compatible with?
PBT, PA (nylon) and PP, particularly glass-fibre-reinforced grades that demand a non-blooming, heat-stable retardant.
Is BFR Additive HW-972 brominated or halogen-free / is it regulatory compliant?
HW-972 is a polymeric brominated flame retardant chosen for non-blooming, non-migrating performance at high processing temperatures. REACH/RoHS on request.
What is the typical dosage or concentration of BFR Additive HW-972?
Typical loadings are ~8-15% with antimony trioxide synergist, adjusted to the polymer and UL94 requirement.
How should BFR Additive HW-972 be stored and handled?
Store in a cool, dry, well-ventilated place away from heat, ignition sources and direct sunlight, in sealed original packaging and away from strong oxidisers. Refer to the SDS for full handling guidance.
What packaging and minimum order quantity does Haiwang offer for BFR Additive HW-972?
BFR Additive HW-972 is supplied in bulk, typically as 25 kg bags or 500/1000 kg jumbo bags on pallets. Shandong Haiwang Chemical accommodates flexible MOQs for trial and full container-load orders – contact us for current options.
Is Haiwang a manufacturer, and can it export BFR Additive HW-972?
Yes. Shandong Haiwang Chemical is a manufacturer (not a trader) and exports BFR Additive HW-972 worldwide. Technical data sheets, COA and samples are available on request; contact the sales team for a quotation and lead time.
What does BFR Additive HW-972 look like?
BFR Additive HW-972 is supplied as a white to pale-yellow powder.
What is the purity or specification of BFR Additive HW-972?
Typical specification: ≥98% purity. A Certificate of Analysis is provided with each shipment.
Is BFR Additive HW-972 soluble in water?
BFR Additive HW-972 is insoluble in water.
How thermally stable is BFR Additive HW-972?
BFR Additive HW-972 offers high thermal stability suited to engineering-plastic processing temperatures.
What is the shelf life of BFR Additive HW-972?
Stored sealed in a cool, dry place, BFR Additive HW-972 has a shelf life of around 2–3 years.
What safety precautions are needed when handling BFR Additive HW-972?
BFR Additive HW-972 has low acute toxicity, but avoid dust inhalation and skin or eye contact — use standard PPE and follow the SDS.
Which synergist or co-additives are recommended with BFR Additive HW-972?
BFR Additive HW-972 is typically used with antimony trioxide.
What are the advantages of BFR Additive HW-972 over alternatives?
BFR Additive HW-972 is a polymeric structure that gives non-blooming, non-migrating performance in glass-reinforced resins.
What certifications and documents can Haiwang provide for BFR Additive HW-972?
Shandong Haiwang Chemical can provide REACH and RoHS documentation, third-party SGS test reports, a Certificate of Analysis (COA) and Safety Data Sheet (SDS), and manufactures under an ISO 9001 quality system.
What are the lead time, shipping and payment terms for BFR Additive HW-972?
Samples of BFR Additive HW-972 are usually available within a few days, and bulk lead time is typically 1–2 weeks depending on volume. Haiwang exports worldwide (FOB China ports, or CIF and other Incoterms on request) with flexible terms such as T/T or L/C — contact the sales team for a quotation, HS code and current lead time.
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