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The integrity of cable splices is a critical factor in providing high speed data services. Proven splice protection products from 3M include 3M™ Aerial Super-Stretch Closures and Accessories (GATM series), 3M™ Armorcast™ Sheath Repair Products and 3M™ Building Riser Closures (K&B series).

3M™ Aerial Super Stretch Closures GATM Series
GATM super stretch closures are designed to protect aerial splices and to repair sheath damages. This closure body is made of impact-resistant plastic. The closure can be used for straight or multiple branch splices and is offered in different lengths and diameters to accommodate up to 4800 pair copper splice.
3M™ Multi-Pair Terminating System ATS/TR
To make connections that last, turn to 3M first. ATS/TR multi-pair termination system products are on the job in millions of terminations all over the world, providing superior connection capabilities in all types of applications.
3M™ Dome Closures
Reenterable dome closures with pull and shrink tubing (PST) offer fast, rugged splice protection with easy reentry.
3M™ Closures Better Buried
The buried compound compression closure method forces the encapsulant up the cable core to stop water ingress. The product is simple to install, comes with the spacer web and plastic wrap and is used to hold and force the encapsulant. The product is offered in different sizes to cover various cable ranges and can be easily extended and bricked.
3M™ Scotchcast™ Closures 89 Series
8981/High Gel, 8982/High Gel, 8983/High Gel, 8984/High Gel, 8985/High Gel, 8986/High Gel RUS Listed
3M™ Scotchcast™ PIC Encapsulating Closure Kits (Non-Reenterable)
These rigid body closures are made of translucent polypropylene and are packed with 4407 urethane compound or 8882 high gel reenterable encapsulant and rubber tape strips for sealing ends of closure.
3M™ Pressure Encapsulated Apparatus Kit (PEAK) 2-Type
A pressure encapsulation technique for spliced connections of filled communication cable using the 2-type closure system. For underground or direct buried applications in straight or multiple branch configurations.
3M™ Flame Retardant Closures 4-Type
The closure is completely self-contained and capable of withstanding a 15 minute horizontal or vertical burn test. In addition, the flame retardant vault/building closure system meets all the performance criteria of the standard 2-type closure series so you can use the same tools and installation procedures.
3M™ Closures 2-Type and 4-Type Accessories and Replacement Parts
Accessories and replacement parts for installation and maintenance of 3M™ Closures 2-Type and 4-Type.
3M™ Closure Installation Tools
A complete line of tools for installation of 3M™ Closures.
3M™ Watertight Closure System Z Series
For Protection of Nonpressurized Copper Conductors
3M™ Pressurized Closures 50/51P Series
Tools, accessories and replacement parts for the installation and maintenance of 3M™ Closures.