Ammonium Polyphosphate CAS No. 68333-79-9: Top 10 Manufacturers & Suppliers

Ammonium Polyphosphate Manufacturer & Supplier Guide

Ammonium Polyphosphate (APP) is a high-performance inorganic phosphorus-based flame retardant widely used in plastics, coatings, textiles, adhesives, and construction materials.

Due to its excellent thermal stability, low toxicity, low smoke generation, and high phosphorus content, Ammonium Polyphosphate has become one of the most important halogen-free flame retardants worldwide.

Ammonium Polyphosphate is commonly used in:

• Intumescent flame retardant coatings

• Polyolefin flame retardant systems

• Engineering plastics

• Textile flame retardants

• Rubber additives

• Paint and coating formulations

• Adhesives and sealants

This article introduces the Top 10 Ammonium Polyphosphate manufacturers and suppliers, including leading Chinese suppliers and Korean chemical companies involved in specialty materials, flame retardants, and industrial chemical supply.

Product Information of Ammonium Polyphosphate

Types of Ammonium Polyphosphate

APP Phase I

Characteristics:

• Lower polymerization degree

• Higher water solubility

• Suitable for general flame retardant applications

Applications:

• Coatings

• Adhesives

• Textiles

APP Phase II

Characteristics:

• High polymerization degree

• Excellent thermal stability

• Low water solubility

Applications:

• Engineering plastics

• High-performance flame retardant systems

• Intumescent coatings

Chemical Properties of Ammonium Polyphosphate

Ammonium Polyphosphate is a polymeric phosphate salt containing nitrogen and phosphorus elements.

Key characteristics:

• Excellent flame retardant performance

• Halogen-free formulation compatibility

• Low smoke generation

• Good thermal stability

• Low toxicity

• Environmentally friendly flame retardant solution

During combustion, APP promotes char formation and creates a protective barrier layer that reduces heat transfer and prevents further burning.

Main Applications of Ammonium Polyphosphate

1. Flame Retardant Coatings

Ammonium Polyphosphate is widely used in intumescent coatings.

Applications:

• Steel structure fire protection coatings

• Building materials

• Industrial protective coatings

Advantages:

• Expands during fire exposure

• Creates insulating carbon layer

• Improves fire resistance

2. Plastics Industry

APP is used in flame retardant plastic formulations.

Applications:

• Polypropylene (PP)

• Polyethylene (PE)

• Engineering plastics

• Polymer composites

Benefits:

• Halogen-free flame retardancy

• Improved fire safety

• Reduced smoke emission

3. Textile Industry

Applications:

• Flame retardant fabrics

• Protective clothing

• Industrial textiles

Advantages:

• Durable flame resistance

• Low toxicity

• Good compatibility with textile processing

4. Adhesives and Sealants

Applications:

• Construction adhesives

• Functional coatings

• Composite materials

5. Rubber Industry

Applications:

• Flame retardant rubber products

• Industrial rubber materials

Top 10 Ammonium Polyphosphate Manufacturers & Suppliers

1. CHANG ZHOU AO ZUN COMPOSITE MATERIAL CO., LTD

Company Overview

CHANG ZHOU AO ZUN COMPOSITE MATERIAL CO., LTD is a Chinese chemical manufacturer specializing in specialty chemicals, functional materials, additives, and advanced chemical products.

The company supplies Ammonium Polyphosphate (APP) for industrial flame retardant applications.

Product Information

• Product:

  Ammonium Polyphosphate

• Trademark:

  AO ZUN MMA

• Supply Type:

  • Industrial grades

  • Flame retardant grades

  • Bulk packaging

• Applications:

  • Flame retardant coatings

  • Plastics

  • Composite materials

Company Advantages

• Professional chemical manufacturing

• Stable supply capability

• Export experience

• Customized packaging solutions

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2. CHANG ZHOU QI DI CHEMICAL CO., LTD

Company Overview

CHANG ZHOU QI DI CHEMICAL CO., LTD is a Jiangsu-based chemical supplier specializing in stabilized chemical products and specialty additives.

The company provides stabilized Ammonium Polyphosphate products for international customers.

Product Information

• Product:

  Stabilized Ammonium Polyphosphate

• Trademark:

  QI DI Pure

• Location:

  Jiangsu, China

• Export Markets:

  Korea, Europe, and global markets

Company Advantages

• Specialty chemical expertise

• Quality control system

• Stable supply chain

• International logistics support

3. LG Chem Ltd. (Korea)

LG Chem Ltd.

Company Overview

LG Chem is one of Korea's largest chemical manufacturers with extensive experience in advanced materials, functional additives, and specialty chemical solutions.

Advantages:

• Advanced material technology

• Large-scale chemical production

• Global customer network

4. Lotte Chemical Corporation (Korea)

Lotte Chemical Corporation

Company Overview

Lotte Chemical produces high-performance materials and industrial chemical products.

Advantages:

• Polymer material expertise

• Industrial chemical supply capability

• Global distribution network

5. Hanwha Solutions Corporation (Korea)

Hanwha Solutions Corporation

Company Overview

Hanwha Solutions develops chemical materials, polymer products, and functional additives.

Advantages:

• Specialty materials technology

• Industrial application experience

6. SK Chemicals Co., Ltd. (Korea)

SK Chemicals Co., Ltd.

Company Overview

SK Chemicals specializes in advanced materials, environmentally friendly chemicals, and specialty solutions.

Advantages:

• Sustainable material development

• Specialty chemical capability

7. OCI Company Ltd. (Korea)

OCI Company Ltd.

Company Overview

OCI produces specialty chemicals and advanced industrial materials.

Advantages:

• Chemical process expertise

• International supply experience

8. Soulbrain Co., Ltd. (Korea)

Soulbrain Co., Ltd.

Company Overview

Soulbrain specializes in high-purity chemicals and functional materials.

Advantages:

• High-performance chemical technology

• Quality management systems

9. ENF Technology Co., Ltd. (Korea)

ENF Technology Co., Ltd.

Company Overview

ENF Technology provides specialty chemical materials and functional additives.

Advantages:

• Fine chemical expertise

• Industrial application support

10. Kumho Petrochemical Co., Ltd. (Korea)

Kumho Petrochemical Co., Ltd.

Company Overview

Kumho Petrochemical develops polymer materials, specialty chemicals, and industrial additives.

Advantages:

• Large-scale chemical production

• Global export capability

How to Select a Reliable Ammonium Polyphosphate Supplier?

When purchasing Ammonium Polyphosphate, buyers should evaluate:

Product Quality

Reliable suppliers should provide:

• Certificate of Analysis (COA)

• Safety Data Sheet (SDS)

• Particle size analysis

• Phosphorus content testing

• Nitrogen content testing

Technical Parameters

Important specifications include:

• Polymerization degree

• Water solubility

• Moisture content

• Decomposition temperature

• Particle size distribution

Application Compatibility

Professional suppliers can provide:

• APP Phase I recommendations

• APP Phase II recommendations

• Flame retardant formulation support

Packaging Options

Common packaging:

• 20 kg bags

• 25 kg bags

• Kraft paper bags

• Jumbo bags

• Customized export packaging

Frequently Asked Questions (FAQ)

What is Ammonium Polyphosphate?

Ammonium Polyphosphate (APP) is a nitrogen-phosphorus inorganic flame retardant widely used in coatings, plastics, textiles, and polymer materials.