CAS: 68333-79-9 PP Halogen Free Flame Retardant Ammonium Polyphosphate APP Series
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CAS: 68333-79-9 PP Halogen Free Flame Retardant Ammonium Polyphosphate APP Series

CAS: 68333-79-9 PP Halogen free flame retardant Ammonium Polyphosphate APP series
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  • APP


Product Description


CAS: 68333-79-9 PP Halogen free flame retardant 

Ammonium Polyphosphate APP series


CAS   68333-79-9


Molecular Formula (NH4PO3)n






It can be used in intumescent fireproof coatings and thermoset resins, such as polyurethane, UP resin and epoxy resin. It can also be used in the retardant of fiber, wood ,rubber and plastic products. Due to its high molecular weight(n>1000) and good heat stability, APP can be used as main ingredient of expanding retardant thermoplastic.,especially used in the PP achieving UL94-V0 for electronic unit.








Phosphorus Content



Nitrogen Content



Water Solubility

(at 25°C,10% aqueous suspension)



PH value



Particle Size (D50)



Thermal Decomposition Temperature

(1% weight loss)



(at 25°C ,10% aqueous suspension)





Packaging & Shipping


1.PUER always chooses the best logistics option according to customer's requirement.


2. PUER always dispatches experienced employees for container loading as customer's requirement.


3. All the packing can be customized. 


4. 20kg /bag,using kraft bags with PE inner. Handle with care,keep airtight and dry.


5. It will be shipped within 7 days after receipt of the payment. 


Our Services

1. Our various products can completely meet all requirements of clients.


2. Our products are approved by RoHS, ISO9001, ISO14001, OHSAS18001


3. Superior and steady quality, good after-sales service, competitive price and perfect consulting and technical systems will make us sincere friends and win-win partners.




Q1: Are you a manufacturer?

A: Yes, We are the manufacturer involved in this line for about 20 years.


Q2: Do you have stock?

A: We understand most customers prefer stock, so we'll try to keep stock for most products. However, for some rare products, we won't keep stock and it needs time to synthesize.


Q3: Do you provide free sample?

Yes, we can provide free sample if we have in stock.


Q4:  What's the delivery time?
If in stock for 3-7days. if not, 5-15 days also according to your quantity after advanced payment.


Company Information


PUER collaborates with university and institutes to develop green eco-friendly flame retardants. We are committed  to providing high performance halogen free flame retardants to help our customers to realize successes via sustainable solution. We take innovation and sustainable development as our mission. PUER will always supply customized products for global customers’ needs.  We always offer best products and excellent service.



 PUER will provide high-quality products and competitive price for you.






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Factory ADD: Guoyuan Village,Sanchunji Town,Dongming Country,Heze ,Shandong
Factory website:
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