Melmet P
Sulfonated Melamine Formaldehyde Superplasticizer
High-performance superplasticizer and water reducer for construction and industrial products based on Portland cement. Melmet P is an anionic polymeric dispersant that deflocculates particle agglomerations, improving workability and reducing water-cement ratio.
Product Information
Download detailed technical specifications, application guidelines, and performance data for Melmet P.
Download Product InformationDownload MSDSKey Properties
- • White to off-white free-flowing powder
- • Excellent water dissolution properties
- • Compatible with latex and cellulosic additives
- • Long shelf life and stability
- • Cost-effective and reliable dispersant
Function
Melmet P is an anionic polymeric dispersant that deflocculates the particle agglomerations that form when cement and water are combined. Dispersion of the cement causes a reduction in the plastic viscosity of the cement paste which results in improved workability and decreased water-cement ratio.
Improved Physical Properties
Benefits
Melmet P is a cost-effective and reliable dispersant with unique and important performance characteristics.
Cohesive Low Viscosity Rheology
Without increased tendency to segregate, bleed and foam
Normal Set & Strength Development
Limited interference with hydration of cement
Excellent Compatibility
Compatible with latex, cellulosic additives and wide range of cement chemistries
Superior Storage Properties
Long shelf life, white color, no chemical smell
Technical Specifications
Detailed chemical and physical properties of Melmet P
Chemical and Physical Properties
| Property | Value |
|---|---|
| Chemical Name | Sulfonated melamine formaldehyde condensate |
| CAS Number | 64787-97-9 |
| Appearance | White to off-white powder |
| Moisture, max. % | 4 |
| Bulk density, g/100 cm³ | 55 to 85 |
| pH-value of 20% aqueous solutions @20°C | 7.0 to 10.0 |
| Particle size, > 200μm, % | 5 to 25 |
| Particle size, < 100μm, % | 15 to 40 |
| Angle of repose | ≤35° (free flowing powder) |
| Free formaldehyde, max. % | 0.1 |
| Chloride, max. % | 0.05 |
| Sodium, % | 9 to 11 |
Applications
Melmet P is versatile and suitable for various construction applications
Direct Applications
Grout & Mortar
Thoroughly blend with dry ingredients at 0.2% to 1.5% by weight of cementitious materials
Packaged Concrete
Ideal for dry blending with cement and other materials for prepackaged concrete products
Coatings
Used as additive in all types of cement-based coatings for improved application properties
Formulation Applications
Concrete Admixture Component
Dissolved form can be used as primary or secondary component in admixture formulation
Emulsions
Superplasticizer powder can be dissolved in water-based emulsions for specialized applications
Dosage Guidelines
Typical dosage rate: 0.2% to 1.5% by weight of cementitious materials. Always thoroughly blend Melmet P with other dry ingredients before adding water.
Storage & Shelf Life
Melmet P is stable in storage for at least two years after production date when kept in original unopened package in dry storage.
• Store in dry conditions
• Keep in original packaging
• Avoid temperatures above 105°F (40°C)
• 2-year shelf life when properly stored
Packaging Options
Available in standard and bulk packaging options to meet various project requirements.
• 55 pound (25 kg) poly-lined paper bags
• Bulk packaging available
• Easy handling and storage
• Moisture-resistant packaging
Safety & Precautions
Always evaluate performance and safety with actual materials and conditions of usage.
• Refer to MSDS for formaldehyde content
• Test with actual materials first
• Follow safety guidelines
• Free formaldehyde max. 0.1%
Need Technical Support?
Our technical team can help you optimize Melmet P for your specific applications