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USP Class VI adhesives
INEOS Styrolution NAS® 21 Styrene Methyl Methacrylate (SMMA)
Categories: Polymer; Thermoplastic; Polystyrene (PS); Styrene/Methyl Methacrylate Copolymer (SMMA)

Material Notes: NAS® 21 is a styrene acrylic copolymer that can be used in a variety of applications demanding a strong, stiff water-clear plastic resin with excellent thermal stability. Sparkling clarity, Low density, Ease of processing, Gamma & ETO sterilizable, Meets USP XXIII specifications for Class VI plastics, UL 94 HB approved

Information provided by Styrolution.

Available Properties
  • Density, ISO 1183
  • Moisture Absorption at Equilibrium, ISO 62, 50% RH
  • Linear Mold Shrinkage, ISO 294-4
  • Melt Flow, ISO 1133, Volumetric; cm3/10 min
  • Hardness, Rockwell M
  • Ball Indentation Hardness, ISO 2039-1
  • Tensile Strength, Yield, ISO 527
  • Elongation at Break, ISO 527
  • Tensile Modulus, ISO 527
  • Flexural Strength, ISO 178
  • Flexural Modulus, ISO 178
  • Izod Impact, Notched (ISO), ISO 180
  • Izod Impact, Notched (ISO), ISO 180/A
  • Charpy Impact Unnotched, ISO 179/1eU
  • Charpy Impact, Notched, ISO 179/1eA
  • Maximum Service Temperature, Air
  • Deflection Temperature at 0.46 MPa (66 psi), ISO 75, annealed 4 hours at 80°C
  • Deflection Temperature at 1.8 MPa (264 psi), ISO 75, annealed 4 hours at 80°C
  • Vicat Softening Point, ISO 306, VST/B/50. 50C/h
  • Vicat Softening Point, ASTM D 1525, B/2 120C/H
  • Refractive Index, ISO 489, Sodium D Line
  • Haze, ASTM D 1003
  • Transmission, Visible, ASTM D1003
  • Rear Barrel Temperature
  • Middle Barrel Temperature
  • Front Barrel Temperature
  • Melt Temperature, ISO 294
  • Mold Temperature, ISO 294
  • Drying Temperature
  • USP Class VI
Property Data

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USP Class VI adhesives
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