BT93W
| STRUCTURE | NUMBER |
| C18H4Br8N2O4 | 32588-76-4 |
TDS OF BT93W
| Whiteness | 87Min |
| Bromine Content% | 65.5%Min |
| Melting Point | 450℃Min |
| Volatiles(120℃) | 0.6%Max |
| Volatiles(315℃) | 1.2%Max |
| Particle size | 5μmMAX |
General & Use
This product has outstanding thermal and UV stability,non-blooming,excellent wet electrical properties,mainly used for plastics as flame-retardant,widely for polyolefim, HIPS,PET,PBT, PS etc.
Packaging
Packed with 25kgs paper bag. Store in a cool area designed for the storage of chemicals.
Frequently Asked Questions
What is BT93W?
BT93W is ethylene bis-tetrabromophthalimide, a thermally stable, UV-resistant brominated flame retardant. Its bromine content is ~67%.
What is the CAS number and formula of BT93W?
BT93W has the CAS number 32588-76-4 and the chemical formula C18H4Br8N2O4.
What is BT93W used for?
BT93W is used for high-temperature engineering-plastic parts for electronics, automotive and electrical connectors where UV and heat stability are required.
How does BT93W work?
It works in the gas phase releasing bromine radicals to inhibit combustion, and is prized for its exceptional thermal and light stability. It is used with antimony trioxide as a synergist.
Which materials is BT93W compatible with?
PBT, PA, PP, PE, ABS, PC/ABS, TPE and styrenics, especially where high processing temperatures or UV exposure are involved.
Is BT93W brominated or halogen-free / is it regulatory compliant?
BT93W is a brominated flame retardant with very low blooming and high UV stability, suitable for demanding engineering-plastic applications. REACH/RoHS documents on request.
What is the typical dosage or concentration of BT93W?
Typical loadings are ~8-15% with antimony trioxide at roughly a 3:1 ratio, tuned to the polymer and UL94 target.
How should BT93W 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 BT93W?
BT93W 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 BT93W?
Yes. Shandong Haiwang Chemical is a manufacturer (not a trader) and exports BT93W worldwide. Technical data sheets, COA and samples are available on request; contact the sales team for a quotation and lead time.
What does BT93W look like?
BT93W is supplied as a white to off-white powder.
What is the purity or specification of BT93W?
Typical specification: ≥98% purity. A Certificate of Analysis is provided with each shipment.
Is BT93W soluble in water?
BT93W is insoluble in water.
How thermally stable is BT93W?
BT93W offers outstanding thermal stability with a very high melting point (~450°C).
What is the shelf life of BT93W?
Stored sealed in a cool, dry place, BT93W has a shelf life of around 2–3 years.
What safety precautions are needed when handling BT93W?
BT93W 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 BT93W?
BT93W is typically used with antimony trioxide (~3:1).
What are the advantages of BT93W over alternatives?
BT93W is superior thermal and UV stability with minimal blooming versus many aromatic brominated retardants.
What certifications and documents can Haiwang provide for BT93W?
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 BT93W?
Samples of BT93W 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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