Röhm ACRYMID® TT70 Poly(n-methyl methacrylimide (PMMI)

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Röhm ACRYMID® TT70 Poly(n-methyl methacrylimide (PMMI)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA)
Material Notes:	ACRYMID® TT70 is a highly heat distortion-resistant poly(n-methyl methacrylimide) (PMMI). Besides showing the properties common to all ACRYMID® molding compounds, such as excellent transmission and clarity, very high mechanical strength and rigidity, good weather resistance. ACRYMID® TT70 has the following specific characteristics: high stability of the optical characteristics at long-lasting thermal load, highest heat deflection temperature under load.. Application: ACRYMID® molding compound is particularly suitable for injection molding of items meant for applications that involve maximum thermal loads. Information provided by Roehm America LLC
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Available Properties

Specific Gravity, ISO 1183
Water Absorption, ISO 62, saturation, in Water
Melt Flow, ISO 1133
Tensile Strength at Break, ISO 527, 5 mm/min
Elongation at Break, ISO 527, 5 mm/min
Tensile Modulus, ISO 527, 1 mm/min
Charpy Impact Unnotched, ISO 179/1eU
Deflection Temperature at 0.46 MPa (66 psi), ISO 75
Deflection Temperature at 1.8 MPa (264 psi), ISO 75
Vicat Softening Point, ISO 306, B / 50
Refractive Index, ISO 489
Transmission, Visible, ISO 13468-2
Melt Temperature
Mold Temperature, Injection Molding
Drying Temperature, Predrying
Dry Time, Predrying, Desiccant-Type Drier

Property Data

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Manufacturer Notes:
Röhm GmbH , former product of Evonik Corporation; Evonik Cyro

Category Notes
Plastic

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