Raychem MT-LWA Medical Heat Shrink Tubing – Innovative Solutions for Minimally Invasive Applications

The Raychem MT-LWA medical heat shrink tubing, developed by TE Connectivity, is crafted from modified polyolefin and specifically designed for minimally invasive medical applications. Thanks to its homogeneous structure, the MT-LWA ensures consistency and high performance, resulting in an almost defect-free product. This heat shrink tubing is ideal for reshaping catheter shafts and other applications where precision is critical.

Key Features of Raychem MT-LWA Heat Shrink Tubing

  • Homogeneous Structure – Uniformly distributed properties minimize defects such as pinholes, seams, or cracks.
  • Customizable Compression Strengths – Tailored to meet the demands of specific medical applications.
  • Shrink Ratio ≤ 4:1 – High shrink ratio ensures a perfect fit across a wide range of applications.
  • Peelable with Axial Tear Propagation – Easily removed with precision without damaging delicate components.
  • Removable While Warm – Safe and efficient removal while the material remains warm.

The Raychem MT-LWA medical heat shrink tubing delivers exceptional performance and versatility for medical applications. Whether reshaping catheter shafts or protecting sensitive components, MT-LWA is an excellent choice when alternatives like MT-FEP are less suitable.

Features RAYCHEM LVIT

  • Customizable sizing and finishing options available
  • Complete recovery at a minimum temperature of 110°C (230°F)
  • Transparent for high optical clarity

  • Radiopacity can be customized

  • Manufactured according to ISO 10993 standards.
  • Adhesive layer option available

  • 4:1 Shrink Ratio

Product Dimensions RAYCHEM MT-LWA

2:1 Ratio – Click to View Products Directly

Type Size Inner Diameter Before Shrink Inner Diameter After Shrink Wall Thickness
MT-LWA-1/32 1/32 1.02 ± 0.13mm 0.33 ± 0.05mm 0.25 ± 0.05mm
MT-LWA-3/64 3/64 1.40 ± 0.13mm 0.51 ± 0.08mm 0.31 ± 0.05mm
MT-LWA-1/16 1/16 1.83 ± 0.13mm 0.69 ± 0.10mm 0.43 ± 0.08mm
MT-LWA-3/32 3/32 2.72 ± 0.20mm 1.07 ± 0.10mm 0.51 ± 0.08mm
MT-LWA-1/8 1/8 3.56 ± 0.25mm 1.45 ± 0.13mm 0.51 ± 0.08mm
MT-LWA-3/16 3/16 5.21 ± 0.25mm 2.18 ± 0.18mm 0.51 ± 0.08mm
MT-LWA-1/4 1/4 6.99 ± 0.38mm 2.97 ± 0.20mm 0.64 ± 0.08mm
MT-LWA-3/8 3/8 10.54 ± 0.51mm 4.34 ± 0.41mm 0.64 ± 0.08mm

3:1 Ratio – Click through to view the products directly

Type Size Inner Diameter Before Shrink Inner Diameter After Shrink Wall Thickness
MT-LWA-0.032 .032 0.81mm 0.28mm 0.25 ± 0.05mm
MT-LWA-0.063 .063 1.60mm 0.53mm 0.31 ± 0.05mm
MT-LWA-0.078 .078 1.98mm 0.64mm 0.41 ± 0.05mm
MT-LWA-0.094 .094 2.39mm 0.79mm 0.41 ± 0.05mm
MT-LWA-0.110 .110 2.79mm 0.86mm 0.51 ± 0.08mm
MT-LWA-0.125 .125 3.18mm 1.07mm 0.51 ± 0.08mm
MT-LWA-0.188 .188 4.78mm 1.60mm 0.51 ± 0.08mm
MT-LWA-0.250 .250 6.35mm 2.11mm 0.64 ± 0.08mm
MT-LWA-0.375 .375 9.35mm 3.18mm 0.64 ± 0.08mm

Order Information MT-LWA

Standard color: Transparent (-X)


Size selection: Always order the largest size that will precisely shrink onto the part to be covered.


Packaging: On plastic spools (SP), double packed.


Order description: Specify product name, size, and color (for example, MT-LWA-032-X-SP).

Certifications/Approvals MT-LWA

Series Raychem
MT-LWA MT-LWA SCD

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TE Connectivity RAYCHEM distributor