Superelastic Nitinol Wire for Glass

Superelastic Nitinol Wire for Glass

Material:Nitinol alloy
Size:0.1-3.0mm
Performance:superelastic,shape memory
Surface:polished/black/pickling

Product Introduction

Superelastic Nitinol wire for glasses is a high-performance nickel-titanium (NiTi) alloy wire specially designed for eyewear applications. Combining excellent flexibility, shape memory properties, and corrosion resistance, Nitinol wire is widely used in premium eyeglass frames requiring lightweight comfort and high durability.

The material demonstrates exceptional superelasticity, allowing frames to bend repeatedly and return to their original shape without permanent deformation.

Material

  • Nitinol Alloy (Nickel Titanium Alloy)

Specifications

ItemDetails
Diameter Range0.1 – 3.0 mm
PerformanceSuperelastic / Shape Memory
SurfacePolished / Black / Pickling
StandardASTM F2063-05 / Q/XB1516 / Customer Specification

Diameter Tolerances

Diameter RangeTolerance
4.000 – 2.000 mm±0.020 mm
2.000 – 1.000 mm±0.015 mm
1.000 – 0.350 mm±0.010 mm
0.350 – 0.260 mm±0.007 mm
0.260 – 0.150 mm±0.005 mm
0.150 – 0.080 mm±0.004 mm

Key Features

Superelastic Performance

Nitinol wire can undergo large deformation and fully recover its original shape, making it ideal for flexible eyeglass frames.

Shape Memory Effect

The alloy can return to its preset shape after deformation when heated above its transformation temperature.

Lightweight

Compared with traditional stainless steel materials, Nitinol offers:

  • Lower weight

  • Improved comfort

  • Better wearing experience

Excellent Fatigue Resistance

Outstanding resistance to repeated bending and mechanical stress greatly extends product service life.

Corrosion Resistance

Excellent resistance against:

  • Sweat

  • Moisture

  • Oxidation

  • Daily environmental exposure

Applications

  • Eyeglass frames

  • Optical accessories

  • Flexible wearable products

  • Precision elastic components

Product Performance Description

Nitinol SMA actuator wire has unique functional properties similar to biological muscle behavior.

When electrically heated above its transition temperature:

  • The wire contracts automatically

  • Returns to its original shape after cooling

  • Operates silently and efficiently

Nitinol actuator wire is also widely used in:

  • SMA OIS camera stabilization systems

  • Precision actuators

  • Miniature smart devices

It can significantly reduce image blur caused by hand shake and improve low-light photography performance.

Surface Options

Polished Surface

Bright and smooth appearance suitable for premium eyewear products.

Black Surface

Industrial oxide finish with stable performance.

Pickling Surface

Chemically cleaned surface for improved cleanliness and uniformity.

Packaging

  1. Moisture-proof paper packaging

  2. Kraft paper packaging

  3. Foam plastic protection on all sides

  4. Standard export wooden case packaging

Customized packaging is available according to customer requirements.

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