Phosphorus Nitrogen Intumescent Fire Retardant Halogen Free

Place of Origin CHINA
Brand Name TFCARE
Certification ISO9001, REACH, SGS
Model Number TF-PU501
Minimum Order Quantity 5mt
Price Negotiation
Packaging Details 25kg/bag , 20mt/fcl with pallets ,24mt/fcl without pallets
Delivery Time 7-10days
Payment Terms D/P, T/T, L/C
Supply Ability 200mt/month

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Product Details
Appearance Gray Powder Key Words Intumescent Flame Retardant
Function Fire Prevention P₂O₅content ≥41%
N Content ≥ 6.5% PH Value 6.5-7.5
Production Phosphorus-nitrogen Containing Intumescent Flame Retardant Application Rigid Polyurethane Fome ,building
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Solid Composite Intumescent Fire Retardant


Phosphorus Nitrogen Intumescent Fire Retardant


Halogen Free Intumescent Fire Retardant

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Product Description

solid composite halogen-free phosphorus-nitrogen containing intumescent flame retardant

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) ≥41%
N content (w/w) ≥6.5%
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.


Application: TF-PU501 can be used solely in flameproof treatment or used together with TEP for rigid polyurethane foam. When singly added 9%, it can reach OI request of UL94 V-0 . When singly added 15%,

it can achieve classification B1 for burning behavior of building materials with GB / T 8624-2012.

What's more , the smoke density of foam is less than 100.


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, min. shelf life one year.

Phosphorus Nitrogen Intumescent Fire Retardant Halogen Free 0Phosphorus Nitrogen Intumescent Fire Retardant Halogen Free 1Phosphorus Nitrogen Intumescent Fire Retardant Halogen Free 2



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) 2 2 1 2 3 2
Flame height(cm) 8 10 7 9 8 7
SDR 68 72 66 52 73 61
OI 33 32 34 32 33 32.5
Flammability B1


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



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