Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Otsuka SPB-100 Flame Retardant

Otsuka SPB-100 Flame Retardant is a bromine-free, phosphorus-based intumescent additive from Otsuka Chemical’s SPB series. Designed for polyolefins and engineering plastics, it delivers UL94 V-0 rating at low loading levels, enhances thermal stability, and maintains mechanical properties. Eco-friendly, halogen-free, and RoHS-compliant, it supports sustainable flame retardancy without compromising processability or end-product performance.
  • otsuka spb 100 flame retardant_52cd64d5
  • otsuka spb 100 flame retardant_52cd64d5

Features Of Otsuka SPB-100 Flame Retardant

  1. Halogen-free formulation ensuring low smoke and zero corrosive gas emission during combustion.

  2. Excellent thermal stability up to 300°C, supporting high-temperature polymer processing.

  3. Good compatibility with polyolefins, engineering thermoplastics, and elastomers without significant impact on mechanical properties.

  4. UL94 V-0 rated at 1.6 mm thickness when compounded at recommended loading levels.

  5. RoHS-compliant and REACH-conformant, meeting global regulatory requirements for electronic and automotive materials.

Typical Applications Of Otsuka SPB-100 Flame Retardant

  1. Wire and cable insulation for building wiring and data communication cables.

  2. Housings and structural components in consumer electronics and office equipment.

  3. Interior trim parts for automotive cabins, including dashboards and door panels.

  4. Flame-retardant polypropylene (PP) and polyethylene (PE) compounds for industrial enclosures.

  5. Thermoplastic elastomer (TPE) formulations requiring low-smoke, halogen-free fire performance.

Specifications Of Otsuka SPB-100 Flame Retardant

Chemical TypeOrganophosphorus-based flame retardant
Product FormFree-flowing white granules
AppearanceOff-white to light beige granules
Density (23°C)1.45–1.50 g/cm³
Melting Range280–300°C (DSC, heating rate 10°C/min)
Moisture Content≤0.2 wt% (by Karl Fischer titration)
Primary ApplicationsHalogen-free flame retardancy for PP, PE, TPE, and ABS
Key FeaturesLow volatility, non-migrating, UL94 V-0 compliant


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