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Unit 6, No. 12, Pouya Complex, Nazafarin St., Shah Nazari St., Madar Sq., Mirdamad, Tehran

+98 21 91006091

Metasan supplies epoxy resins, polyurethane, additives, and chemical solvents for retail and wholesale customers throughout Iran. At Metasan, you can purchase raw materials from brands including Khuzestan Petrochemical, Karun Petrochemical, Kumho Korea, Tosoh Japan, JANA Saudi Arabia, BASF, Wanhua China, Dorun, and Henan.

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Home/Products/ Acrylics & Acrylic Copolymers/ PLEXIMID® TT70

PLEXIMID® TT70

PLEXIMID® TT70 by Evonik highly heat distortion resistant poly(n-methyl methacrylimide) (PMMI). PLEXIMID® TT70 is particularly suitable for processing by injection molding with standard 3-zone general purpose screws for thermoplastics. Used in applications that involve maximum thermal loads such as lenses, light guides, lighting fixtures and covers.
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Applications
injection molding of items meant for applications that involve maximum thermal loads Examples: lenses, light guides, lighting fixtures, covers
Advantages
Clarity High Heat Resistance High Opticals Rigidity High Transmission High Mechanical strength, High Dynamic stability, High Isotropic shrinkage, Very Low Glass transition temperature, High Transmission, High
Handling
PLEXIMID® is supplied as pellets of uniform size in aluminum-laminated, 25kg polyethylene bags.

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    Specifications

    PropertyValueUnit

    Appearance Properties

    Physical stateگرانول
    Refractive index1.54ISO 489; 589nm/23°C

    Processing Properties

    Mold Temperature130Injection Molding°C
    MVR1.7ISO 1133@ 260°C / 10kgmL/10min
    Drying Temperature<150Predrying Temperature°C
    Dry Time120 – 180Predrying Time in Desiccant-Type Driermin

    Chemical Properties

    Water absorption6ISO 62;saturation, 23°C%

    Physical Properties

    Density1.21ISO 1183g/mL
    Melting range260 – 290°C

    Optical Properties

    Transmittance91Luminous transmittance; ISO 13468-2; D65%

    Thermal Properties

    Heat Deflection temperature149ISO 75; at 1.8 MPa°C
    Vicat softening temperature170ISO 306; B/50°C
    Heat Deflection temperature158ISO 75; at 0.45 MPa°C

    Mechanical Properties

    (Charpy Impact Strength(unnotched20ISO 179/1eU@ 23°CkJ/m2
    Tensile Stress at break-MD8ISO 527; 5mm/minMPa
    Strain at break-MD3ISO 527; 5mm/min%
    Tensile modulus-MD4,000ISO 527; 1mm/minMPa