SAYTEX® BT-93 flame retardant is a unique additive that combines stable, aromatic bromine with an imide structure.SAYTEX BT-93 flame retardant provides premium performance in a wide range of applications. It finds use in polyolefins, high-impact polystyrene (HIPS), thermoplastic polyesters (PBT, PET,etc.), polycarbonate and elastomers.

Chemical Name: N,N-Ethylene-bis(tetrabromophthalimide)

Chemical Family: Aromatics, Brominated Compounds, Halogenated Compounds

Functions: Flame Retardant, Smoke Suppressant

Compatible Polymers & Resins: Polybutylene Terephthalate (PBT), Polycarbonates (PC), Polyesters, Polyethylene Terephthalate (PET), Thermoplastic Elastomers (TPE)

Synonyms: 1,2-Bis(tetrabromophthalimido)ethane, 2,2′-(1,2-Ethanediyl)bis[4,5,6,7-tetrabromo-1H-isoindole-1,3(2H)-dione], N,N′-Ethylenebis(tetrabromophthalimide)

Technical Data Sheet

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Identification & Functionality

Plastics & Elastomers Functions
MITI
5-5550
CAS No.
32588-76-4
EC No.
251-118-6
Structure

SAYTEX® BT-93 - Structure

Features & Benefits

Product Highlights

SAYTEX BT-93 flame retardant has outstanding thermal and UV stability. It is the flame retardant of choice in high-impact polystyrene (HIPS) formulations where the highest degree of UV stability is required. Its thermal stability allows use in engineering resins like polyesters and polyamindes. SAYTEX BT-93 flame retardant is also non-blooming. This feature allows use in such critical applications as polyolefin films where good heat sealability is required. Its excellent wet electrical properties also make it ideal for wire and cable applications.

Applications & Uses

Properties

Physical Form
Appearance
Light Yellow
Typical Properties
ValueUnitsTest Method / Conditions
Average Particle Size3.05µm
Water Solubility (25°C)max. 0.01wt. %
Toluene Solubility (25°C)max. 0.01wt. %
Dielectric Constant (1 MHz)1.42
TGA (10°C/min, under N2, 90% weight loss)min. 600°C
Dissipation Factor (1 MHz)0.001
TGA (10°C/min, under N2, 50% weight loss)473°C
Melt Range456°C
TGA (10°C/min, under N2, 5% weight loss)419°C
TGA (10°C/min, under N2, 10% weight loss)441°C
Molecular Weight951.5g/mol
TGA (10°C/min, under N2, 1% weight loss)324°C
Specific Gravity2.77
Refractive Index1.77
Methanol Solubility (25°C)max. 0.01wt. %
Bulk Density (Packed)860Kg/m³
Bulk Density (Aerated)610Kg/m³
Bromine (Theoretical)67.2%
Acetone Solubility (25°C)max. 0.01wt. %

Regulatory & Compliance

Technical Details & Test Data

TGA Profile

SAYTEX® BT-93 - Tga Profile

Packaging & Availability

Regional Availability
  • Africa
  • Asia Pacific
  • Europe
  • Latin America
  • North America