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AP422 CROS484 Equal Type
UL94 V-0 Phosphorus Nitrogen Intumescent PU Flame Retardant
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xColor | Black Grey Powder | Application | FR RPUF |
---|---|---|---|
UL-94 | V0 | Class | B1 Or B2 |
LOI | 27-29 | Addition Volume | 9%-22% |
Highlight | Intumescent PU Flame Retardant,Phosphorus Nitrogen PU Flame Retardant,UL94 V-0 PU Flame Retardant |
Flame Retardant Rigid Polyurethane Foam Class B1 With A Phosphorus-Nitrogen Intumescent Flame Retardant
Rigid polyurethane foam (RPUF) has been widely used as insulationg materials, construction panel sandwich structures, cushions of furniture and packaging materials in automobiles, transportation, energy storage and electromagnetic interference shielding fields due to its high machnical propeertiees, insulated properties.
The improvement of thee flame retardancy of RPUF has curreently been an important subject among the developments of new polymer foam materials. The environmentally-friendly flame retardant additives with good flame retardancy are particularly needed. In recent years, the phosphorus-nitrogen intumescent flame retardant(IFR) have been widely used as halogen-free additives because thy provide excellent fire protection with less smoke and lower toxicity.
Product description: TF-PU501 is solid composite halogen-free phosphorus-nitrogen containing intumescent flame retardant, it acts both in the condensed phase and the gas phase.
Technical Data Sheet / Specification :
Specification | TF-PU501 |
Appearance | Gray powder |
P2O5 content (w/w) | ≥47% |
N content (w/w) | ≥8% |
pH value (10% aqueous suspension, at 25ºC) | 6.5-7.5 |
Moisture (w/w) | ≤0.5% |
Characteristics :
1. Gray powder, expands when heated, efficient in smoke suppression.
2. Excellent water resistance, not easy to precipitate, high flame retardant efficiency.
3. Halogen-free and none heavy metal ions. pH value is neutral, safe and stable during production and use, good compatibleness, not to react with other flame retardant and auxiliary.
Fire Retardancy and Mechanical Property Experiment for FR RPUF
(TF- PU501, total loading of 15%)
Fire Retardancy:
TF-PU501 | Sample | |||||
1 | 2 | 3 | 4 | 5 | 6 | |
Average self-extinguish time(s) | 4 | 3 | 2 | 4 | 5 | 3 |
Flame height(cm) | 15 | 17 | 13 | 12 | 13 | 15 |
SDR | 83 | 74 | 73 | 88 | 81 | 93 |
OI | 28 | 27 | 28 | 28 | 29 | 27 |
Flammability | B2 |
Mechanical Property:
Formulation | TF-PU501 | Polyether | Rough MDI | Foamer | Foam Stabilizer | Catalyzer |
Addition(g) | 22 | 50 | 65 | 8 | 1 | 1 |
Compression strength(10%)(MPa) | 0.15 - 0.25 | |||||
Tensile strength(MPa) | 8 - 10 | |||||
Foam density (Kg/m3) | 70 - 100 |
Appliction of TF-501:
Flame retardant rigid PU foam for insulation board , dumboard , elevator wheel and roller , shopping cart wheel, insulated pipe.
Packing : 25kg/bag, 22mt/20’fcl without pallets, 18mt/20’fcl with pallets. Other packing as request.
Storage: in dry and cool place, keeping out of moisture and sunshine, shelf life two years.