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  R&D Base for Novel Eco-friendly
     Halogen-free Flame Retardants
Qingyuan Yicheng Flame
Retardant Materials Co., Ltd.
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Pyrophosphoric acid pyridine - expandable halogen-free environmental flame retardant

Collection:0
Material:Powder
Color:White
Brand:Yicheng Flame Retardant
Suitable for:PP、PE、TPE、TPU
产品详情

Product Details/ Details


Product introduction

Pyrophosphate piperazine is an intumescent halogen-free eco-friendly flame retardant. It utilizes phosphorus and nitrogen as flame retardant elements and functions by forming an intumescent char layer to block oxygen and heat sources. Compared to halogen-based flame retardants, it exhibits low smoke and low toxicity, fully complying with the EU's Directive 2002/95/EC on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment (RoHS Directive) and environmental regulations such as REACH.

Pyrophosphate piperazine boasts exceptional flame retardant efficiency, requiring lower additive levels than ammonium polyphosphate-based intumescent flame retardants. Additionally, it possesses a high thermal decomposition temperature, allowing it to withstand higher processing temperatures. This compound exhibits high purity, superior processing properties with easy dispensing and no bridging, excellent product appearance free from agglomerated white spots, and outstanding heat aging resistance and anti-extraction properties.




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Technical index

ProjectIndicatorProjectIndicator
AppearanceWhite powderParticle size(D50)6-9μm
Phosphorus content w/t %22-25%Nitrogen content w/t %10-12%
Density1.8g/cm31%Decomposition Temperature≧270℃
Moisture Content≦0.5%PH3-4
Water-soluble≦2.0g/100ml


Suggested addition amount


Applicable ProductsPPHDPEPP+30%GFTPETPU
Recommended
Addition Amount
≥20%≥32%≥22%≥32%≥25%
Level

UL94_V0

1.5mm)

UL94_V0

1.5mm)

UL94_V0

1.5mm)

UL94_V0

(3.0mm)

UL94_V0

1.5mm)





Packaging and Storage


25 kg/bag, paper-plastic composite with an aluminum-plastic liner, transported as a general chemical. Store in a closed, dry, and cool place.



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