Today's KNOWLEDGE Share : Grilamid TR

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Today's KNOWLEDGE Share

Grilamid TR: Grilamid TR is the trade name for EMS-GRIVORY’s family of amorphous polyamides based on cycloaliphatic and aromatic blocks. Careful selection of the monomers results in stellar transparency threaded in the family’s DNA.

The latest addition to this comprehensive product range is Grilamid TR FE 11292. This is the first transparent polyamide worldwide which can be repeatedly sterilised at temperatures of 134 °C using steam sterilisation processes, well-suited for use in medical applications.











Grilamid TR product line combines optical clarity with high-performance attributes:

• Brilliant transparency

• Excellent fatigue resistance

• Superior dynamic strength

• High chemical resistance

• Extraordinary environmental stress crack resistance (ESCR)

• Low specific gravity

• Minimal water absorption

• Long-term thermal stability

• Barrier resistance to O2, N2, and CO2

• High impact strength at low temperatures

• Exceptional dimensional stability

• Outstanding resistance to weathering


Environmental stress cracking (ESC) is a failure mode where a material fractures, either partially or completely, from chemical exposure under stress. Most amorphous polymers demonstrate chemical resistance but fail under applied stresses. ESC resistance testing, based on DIN 53449, subjects the material to bending stress under a 1-minute solvent immersion at 23°C. Chemical attack observed in the form of cracks, crazing, or other surface degradation mechanism indicates incompatibility for crucial applications. Grilamid TR exhibits better resistance to alcohol, ketone and aromatic solvents compared to polycarbonate (PC) and polyethylene terephthalate glycol (PETG).


Grilamid TR demonstrates equal to elevated performance when comparing key properties such as transparency, chemical resistance, and processability to amorphous thermoplastics such as polycarbonate (PC), polysulfone (PSU), polyethersulfone (PES), and polyetherimide (PEI).


source:EMS-GRIVORY


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