What’s special about butt splice connectors?
- Allowquick and easy splicing of 2 different sized wires, or joining of 2 wires into 1.
- Specially formulated NiAc material shrinks at 40% faster rate than standard polyolefin heat shrink tubing for quicker application.
- Thick walled shrink tubing is abrasion and cut resistant to protect your wiring connections (UL 94V-2).
- RoHS compliant
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- Ideal for use in harsh environments
- Weather and chemical resistant material to protect wiring
- See through insulation allows you to inspect crimping
- Abrasion and cut resistant material
- 3:1 shrink ratio
- Low shrink temperature: 90° C
- Solvent resistant
These heat sealed step-down butt connectors provide additional protection against the elements. When connecting two different sized wires or joining two wires to one, this is the perfect solution. The smaller end of the connector is color coded for easier identification and quick installation.
|Temperature Range - Operating||-55° to +125° C|
|Shrink Temperature||90° C|
|Wire Insulation Diameter||5.84mm (0.230") max|
|Voltage - Maximum||600V|
|Size||16-14 AWG Side||12-10 AWG Side||22-19 AWG Side||16-14 AWG Side|
* Polyolefin based hot melt adhesive
Limiting Oxygen Index (LOI)
The ratio of how much oxygen - as compared to other gases - needs to be present in the air surrounding a particular material in order for that material to burn. The fact that Earth's normal atmospheric air contains around 21% oxygen is used a reference point when materials are classified into burn categories that are based on Limiting Oxygen Index. Substances that are combustible in air containing less than 21% oxygen are considered flammable, while those that burn in the range of anything greater than 21% but less than 28% are typically labeled "slow burning". Any material with an LOI that exceeds 28% is classified as self-extinguishing.
In the table below, you'll find a list of polymers commonly found in our heat shrink tubing and braided sleeving products, along with their LOIs and the burn categories each falls into.
|ECTFE (Ethylene chlorotrifluoroethylene)||Halar||64%||Self Extinguishing|
|Nylon 6:6||N/A||Ranges fron 24-29%||Slow Burning to Self Extinguishing|
|PET (Polyethylene Terephthalate)||Mylar (film), Dacron (fiber)||Ranges from 21-34%||Slow Burning to Self Extinguishing|
|Polypropylene (PP)||polythene (in the UK)||17%||Flammable|
|Polytetrafluoroethylene (PTFE)||Teflon||95%||Self Extinguishing|
|Polyvinyl Chloride (PVC)||N/A||Ranges from 45-49%||Self Extinguishing|
- Perma-Seal™ Catalog Page (PDF)
- Perma-Seal™ Data Sheet (PDF)
- Perma-Seal™ Heat Shrink Instructions (PDF)
- Hand Crimp Tool Manual (PDF)
ARTICLES - A place to find educational articles covering a wide range of topics, all categorized according to your areas of interest.Learn more
HOW-TO CORNER -
- How to Use Heat Shrink Tubing
- Terminate the ends of your Braided Sleeving with Heat Shrink
- How do we measure Heat Shrink?
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