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Ecomass® Compound 4701TU76

Ecomass® Compound 4701TU76 is a high-specific-gravity, tungsten powder-filled thermoplastic polyurethane (TPU) compound. The processing method for this compound is injection molding/extrusion. Ecomass® Compound 4701TU76 is a nontoxic alternative to lead (Pb) used for weighting, balancing, and radiation shielding applications. The product form is pellets.

Properties

Physical Form
  • Pellets
  • Solid

Product families

Applications

Applications
  • Consumer Goods — Sports & Recreation
Healthcare & Pharma — Medical
  • Medical Devices & Assemblies
Electrical & Electronics — Parts & Components
  • Housings & Enclosures

Product Families

Composite Materials — Polymers & Resins
  • Thermoplastic Resins
Elastomers — Thermoplastic Elastomers
  • Thermoplastic Urethanes (TPU)

Other characteristics

Brand
Ecomass
Density
3700.0 - 3700.0 kg/m³
Polymer Name
Thermoplastic Polyurethane (unspecified)
Fillers Included
Tungsten
Processing Methods
Extrusion, Injection Molding, Injection Molding
Markets
  • Consumer Goods
  • Electrical & Electronics
  • Healthcare & Pharma
Technology
  • Composite Materials
  • Elastomers
Labeling Claims
Non-Toxic
Material Features
  • Ambient Operating Temperature
  • Heavy Plastic
  • High Density
  • High Specific Gravity
  • Lead Substitute
  • Non-Toxic
Certifications and Compliance
RoHS Compliant
Composites Processing Methods
  • Extrusion
  • Injection Molding
Plastics and Elastomers End Uses
  • Casino Chips
  • Frangible Projectiles
  • Golf Club Weights
  • Hub Odometer
  • Inertia Discs
  • Instrument Housing
  • Manual Transmission Shifter Cartridge
  • Medical Devices
Plastics and Elastomers Processing Methods
  • Extrusion
  • Injection Molding

Technical data

Table 1 of 6

1 row
CharacteristicValueUnitMethod
Density3.7g/ccASTM D792

Table 2 of 6

4 rows
CharacteristicValueUnitMethod
Tensile Strength4MPaASTM D638
Tensile Modulus10MPaASTM D638
Tensile Elongation at Breakmin. 500%ASTM D638
Izod Impact Strength, Notched64J/mASTM D256

Table 3 of 6

1 row
CharacteristicValueUnitMethod
Heat Deflection Temperature (at 66 psi)52°CASTM D648

Table 4 of 6

1 row
CharacteristicValueUnitMethod
Surface Resistivity0.2ohms/sqASTM D257

Table 5 of 6

4 rows
CharacteristicValueUnitMethod
Melt Temperature Range205 - 220°C—
Mold Temperature Range10 - 25°C—
Mold Shrinkage Rate0.7 - 0.8%ASTM D955
Pre-Drying Conditions (at 65°C)4hrs—

Table 6 of 6

4 rows
CharacteristicValueUnitMethod
Melt Temperature Range205 - 220°C—
Mold Temperature Range10 - 25°C—
Mold Shrinkage Rate0.7 - 0.8%ASTM D955
Pre-Drying Conditions (at 65°C)4hrs—

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