Flame Retardant DOPO Cas 35948-25-5
DOPO is an new designed phosphorus halogen-free flame retardant which is mainly applied on epoxy resin for PCB, and various of thermosetting resin. Besides, GOYENCHEM- DOPO can be widely used inPCB circuit plates,electrical laminates, electronic equipment plastic,copper-lined laminate., etc.By using DOPO, products can reach UL94-VO flame retardant standard with 2% phosphorus content in epoxy resin. DOPO can be easily solute in methanol, ethanol, isopropanol, chloroform, DMF,DMSO.
It can easily absorb moisture in the open air and can be restored by heating without affecting the original properties.
Comparing with tetrabromo bisphenol A (TBBA), the KFR-DOPO and pendant phosphorus group form better and stronger structure that provide better environment of flame retardancy, higher glass transition temperature, thermal stability and even the effect of low smoke.
| Item || Unit || Index |
| DOPO || % || ≥99.5 |
| Cl || mg/KG || ≤20 |
| Content of P || % || ≥14 |
| (Ze)(Fe) || mg/KG || ≤5 |
| Na || mg/KG || ≤5 |
| Melting point || ℃ || 117-120 |
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Product Categories : Flame Retardant