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  SMA Spectacles Frames

Shape Memory Rings

 Zr,Hf Materials

      SMA Spectacles Frames

 

    Among many materials for optical frames, NiTi shape memory alloy is favored by the consumers for its superelasticity, light weight, corrosion resistance and biocompatibility. The optical frames made of this material could be as a bio-friendly eyewear to reduce the pressure on nasal bridge and temples. Our company could provide high-quality NiTi superelastic optical frame material along with various types of optical frames.
   

Optical Frame Materials 

Material Density (g/cm3) Tensile Strength MPa Elongation % Hardness Hv Elastic Modulus GPa Fabrication %
TiNi 6.4-6.5 ¡Ý1000 ¡Ý10 200--350 80 >20
Ti 4.5 440--520 15--20 <180 <110 >50
¦Â-Ti-TAV 4.7 790--870 15--20 <280 <85 >30

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