OPA Flame Retardant for Composite Materials

OPA series of products are eco-friendly phosphorus-based halogen-free flame retardants, which are white powder organic phosphinate.
The flame retardant does not hydrolyze, does not precipitate, and has good carbon self-extinguishing properties.
The metaphosphoric acid generated by combustion of flame retardant, which develop a stable polymer, covering the surface of the composite material to isolate oxygen and combustibles, functioning well as flame retardant.
The synergistic interaction of MC series flame retardant and phosphorus nitrogen flame retardants, which is also used in combination with other additives to achieve good flame retardant effects.

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  • rosie@hwnewtech.com

Description

Product Specifications

Product Model OPA-60/OPA-80 OPA-90 OPA-1101 OPA-2101 OPA-8050
Appearance White crystalline powder Slurry(White)
Phosphorus (wt%) 23-24 23-24 16-17 16-17 12.0 ± 0.5
Density (g/㎤) 1.1-1.35 1.1-1.35 ≈ 1.3 ≈ 1.6 ≈ 1.0
Bulk density (kg/m3) 300-600 400-600 ≈ 300 300-400 -
Thermal decomposition
(℃) (1% loss)/th>
> 330 ℃ > 330 ℃ > 300 ℃ > 330 ℃ -
Particle
Size
(D50%, ㎛) ≈ 5 10-40 2-4 3-4 1-2
(D98%, ㎛) < 20 < 70 15-18 17-20 -
pH (5% slurry, at 20℃) 3~6 3~6 3~6 3~6 3~6
Water/moisture (wt%) 0.2 0.2 0.4 0.4 ≈ 50
Water Solubility (20℃)
(g/100㎖)
0.3 (Max.) 0.3 (Max.) 0.3 (Max.) 0.3 (Max.) -
Applications

Thermoplastic,
thermoset resin

Epoxy laminated for PCB

Water/solvent Bone coating

TPU, Polyamide, PBT, PET,Epoxy, Unsaturated Polyester

High temperature polyamide compounding

Glass fiber reinforced and unreinforced for Engineering Plastics

Thermoplastic compounding

Thermoplastic elastomer such as TPU and TPE-E for cable

Glass fiber reinforced and unreinforced for PET, PBT compounds

High temperature Polyamide compounding

Glass fiber reinforced and unreinforced for Polyamide compounds.

TPU cable

Artificial leather

Water borne coating and adhesive

Product Advantage

  • The series of products is phosphorus based eco-friendly halogen-free flame retardant, is a white powder organic phosphinate.
  • No smell, proof-discoloration
  • Superior thermostability resisting more than 330℃
  • Excellent flame retardancy in the most resins PE, PP, PS, PET, PBT, TPU, PA, etc.
  • Achieve high synergies when in combination with various flame retardants
  • Give rise to little change in their specific gravity due to small porosity when they are added to polymers
  • Result in high dispersibility in various resins thanks to our proprietary coating technology

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