PMG Company

Specialists in heat-shrink tubing and cable-harnessing products

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MT-LWA Medical Grade Heat Shrink Tubing

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MT-LWA is Altera Medical Grade, Laser-Welding Application Process Aid, Polyolefin Medical Heatshrink Tubing.

Technical Data Sheet

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SKU: MT-LWA Category:


MT-LWA is a Raychem/TE Connectivity branded medical grade heat shrink tubing from the ‘Altera’ Medical range.  The product is designed specifically as a process aid in applications requiring a Laser-Welding Applications.

The product is manufactured from a flexible Polyolefin material that has a continuous operating temperature of -40°C up to 110°C.

Product Facts

2:1 or 3:1 shrink ratio as standard but custom ratios and sizes available upon request
Flexible; forms to irregular shapes
Good clarity needed for laser welding and other bonding operations
Excellent electrical insulation properties
Removes easily after application, good axial tear propagation
On plastic spools double bag packaging
USP Class VI, no heavy metals
RoHS compliant


Well-suited for laser-welding operations of stents and balloons, hot jaw bonding or other secondary value-added processes. The heat shrinkable product will hold joints in place during operation and removes easily without residue or damage to the end product.


Minimum shrink temperature: 95°C [203°F]
Minimum full recovery temperature: 121°C [250°F]
Color: Clear (-X) Only
Size selection: Always order the largest size that will recover snugly over the substrate. Special order sizes are available upon request.
Standard packaging: On plastic spools (SP), double-bagged
Ordering description: Specify product name and size (for example, MT-LWA-032-X-SP). For non-standard sizes specify expanded ID and recovered ID (for example, MT-LWA-.045-.024-X-SP)