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Microthene® FN 519-00 is a 20-micron low-density polyethylene (LDPE) powder with a melt index of 5, engineered for grease formulations requiring enhanced thickening, dispersion, and flow performance.
Microthene® FN 519-00 is a 20-micron, ultrafine spherical polyethylene powder mostly used as an additive in a broad range of specialty applications. FN 519-00 is a flow-enhanced version of FN 510-00. It has a small amount of fumed silica to reduce bridging and clumping. This grade offers the benefits of polyolefin resins in a microfine spherical particle form, making it ideal for aqueous system dispersion, viscosity modification, and uniform pigment distribution. Microthene® FN 519-00 is widely used in plastics, coatings, adhesives, ceramics, and composites.
CAS number: 9002-88-4
Melt index: 4.70 g/10 min
Density: 0.9225 g/cc
Vicat softening point: 97.0°C (206.6°F)
Peak melting point: 110.0°C (230.0°F)
Low-temperature brittleness: −76.0°C (−104.8°F)
Tensile strength @ break: 12.4/1,800 MPa/psi
Elongation @ break: 550%
Flexural modulus: 275.8/40,000 MPa/psi
Hardness, Shore D: 53
Particle shape: Spherical
Average particle size: 20 microns
Particle size distribution: 5–50 microns
Maximum moisture content: 0.1%
Primary Chemistry: Polyethylene powder
Primary Chemistry:
Polyethylene powder
Shrinkage or compatibility issues of PE powders in composites
Lacking strength or sufficient binding in films or plastic applications
Viscosity drops in grease or coating formulations
Difficulties in reducing the sintering point in ceramics
Clumping and bridging in powder additives
Limited compatibility with grease-based oils
Industrial and automotive grease formulations
Additive carrier
Coatings, adhesives, and composites
Elastomers
Ceramics
Water filters
Battery components
Microthene® F is a uniform, spherically shaped, ultra-fine powder that is available in both low-density and high-density polyethylene grades.
Tacky polymer processing presents significant challenges during processing due to their tendency to stick, clump, and agglomerate.
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