Melamine Pyrophosphate (MPP)

High Purity Melamine Pyrophosphate Manufacturer & Supplier

Melamine Pyrophosphate (MPP) is a phosphorus-nitrogen based halogen-free flame retardant compound produced from melamine and pyrophosphate. It is widely used as an environmentally friendly flame retardant additive due to its high nitrogen content, excellent thermal stability, low smoke generation, and good compatibility with polymer materials.

With its unique phosphorus-nitrogen synergistic flame-retardant mechanism, Melamine Pyrophosphate provides efficient fire protection performance in engineering plastics, coatings, elastomers, and polymer composite materials.

We supply high-quality Melamine Pyrophosphate (MPP) with stable quality, competitive specifications, customized particle sizes, and reliable global export capability.

Product Information

Product Name

Melamine Pyrophosphate

Common Names

• Melamine Pyrophosphate

• MPP Flame Retardant

• Melamine Diphosphate

• Melamine Pyrophosphate Salt

• Nitrogen-Phosphorus Flame Retardant

CAS Number

15541-60-3

Molecular Formula

C₃H₁₂N₆O₇P₂

Molecular Weight

258.11 g/mol

Chemical Type

Phosphorus-nitrogen inorganic flame retardant

Appearance

White fine powder

Flame Retardant Classification

Halogen-free intumescent flame retardant

Melamine Pyrophosphate Specifications

Customized specifications and particle sizes are available according to customer requirements.

Key Features of Melamine Pyrophosphate

1. Efficient Halogen-Free Flame Retardant

Melamine Pyrophosphate provides excellent flame-retardant performance through phosphorus-nitrogen synergy.

Advantages:

• Halogen-free composition

• Low smoke generation

• Low toxicity characteristics

• Environmentally friendly flame retardant solution

2. Excellent Thermal Stability

MPP has high thermal decomposition temperature, making it suitable for high-temperature polymer processing.

Benefits:

• Good processing stability

• Suitable for engineering plastics

• Maintains flame retardant efficiency during processing

3. Phosphorus-Nitrogen Synergistic Effect

The combination of phosphorus and nitrogen provides:

• Gas phase flame inhibition

• Condensed phase carbon layer formation

• Reduced heat release

• Improved fire resistance

4. Good Compatibility with Polymer Materials

Melamine Pyrophosphate can be easily incorporated into:

• Thermoplastics

• Thermosetting resins

• Coating systems

• Composite materials

Applications of Melamine Pyrophosphate

1. Flame Retardant for Engineering Plastics

Melamine Pyrophosphate is widely used in polymer flame retardant formulations.

Applications:

• Polyamide (PA)

• Polypropylene (PP)

• Polyethylene (PE)

• Polyurethane (PU)

• Epoxy resin

Benefits:

• Improves flame resistance

• Reduces combustion speed

• Enhances material safety performance

2. Intumescent Flame Retardant Coatings

MPP is an important component in fire-resistant coating systems.

Applications:

• Steel structure fireproof coatings

• Building fire protection coatings

• Industrial protective coatings

Functions:

• Promotes char formation

• Creates protective carbon layers

• Reduces heat transfer

3. Polymer Composites

Applications:

• Fiber-reinforced plastics

• Electronic materials

• Automotive components

• Electrical housings

Advantages:

• Improves fire rating

• Maintains mechanical properties

• Provides long-lasting flame protection

4. Adhesives and Sealants

Melamine Pyrophosphate is used as a flame retardant additive in:

• Industrial adhesives

• Sealant formulations

• Polymer bonding systems

5. Rubber and Elastomer Applications

Applications:

• Flame-retardant rubber products

• Elastomer materials

• Special polymer systems

Benefits:

• Improved fire resistance

• Reduced smoke emission

6. Electrical and Electronic Materials

MPP is suitable for:

• Electrical components

• Cable materials

• Electronic housings

Provides:

• Improved fire safety

• Halogen-free flame retardant performance

Advantages of Our Melamine Pyrophosphate Supply

Reliable Product Quality

We provide:

✔ High purity Melamine Pyrophosphate
✔ Stable flame-retardant performance
✔ Uniform particle size distribution
✔ Strict quality control

Customized Solutions

Available options:

• Different particle sizes

• Customized phosphorus/nitrogen content

• Polymer-grade products

• Customer-specific formulations

Professional Export Service

We provide:

• SDS documentation

• COA certificates

• Technical Data Sheets

• Global logistics support

Packaging and Storage

Standard Packaging

Available packaging:

• 25 kg PP woven bags with PE liner

• 500 kg jumbo bags

• 1000 kg bulk bags

• Customized packaging

Storage Recommendations

Store Melamine Pyrophosphate:

• In a cool and dry warehouse

• In sealed packaging

• Protected from moisture

• Avoid direct sunlight

• Keep away from strong acids and alkalis

Proper storage ensures product stability and performance.

Technical Data Sheet (TDS)

Frequently Asked Questions (FAQ)

What is Melamine Pyrophosphate?

Melamine Pyrophosphate (MPP) is a phosphorus-nitrogen based halogen-free flame retardant widely used in polymer materials, coatings, and fire-resistant applications.