Shrink Tube - M&P Silicone Seal (Small)
  Self-tightening silicone rubber tubular gasket for our cables Ø 7,3mm (.287”) or 10,3mm...
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£5.50 £4.58
Availability: In stock

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Self-tightening silicone rubber tubular gasket for our cables Ø 7,3mm (.287”) or 10,3mm (.400”) or 12,7mm (.500”), matched to any one of our related connectors and adapters (Except 7/16 for which we provide a specific item).

M&P-Silicone-Seal-S is a reliable tubular gasket that quickly seals the socket of the 50-ohm Antennas with the down lead cables, tightly, hermetically, and seamlessly. No flame or heat is required. 

One more application: you may use it inside an electrical cabinet to protect your connections from condensation. (Extension leads etc.) 

It is also handy as a strain relief, for increasing the tensile strength between cable and connector! 

The M&P-Silicone-Seal is factory expanded and assembled onto a removable supporting plastic core. The pre-stretched M&P-Silicone-Seal-S, as the core is unwound (from the inside), shrinks to form a thick and tight tubular gasket. 

Retains its resiliency and pressure even after years of aging and exposure to Ultra-violet rays, acids, condensation and harsh environments, with operating temperature range -60℃ ~ 90℃ (-76°F~194°F).

Fiammability V-0 burning stops within 10 seconds on a vertical specimen, drips of particles allowed as long as they are not inflamed.


How to use: 

1) Once the connector has been assembled on the down lead cable to be connected, insert it inside the M&P-Silicone-Seal-S and make sure it will not slip away, down the cable (fix it temporarily with adhesive tape).  

2) After tightly screwing the two connectors together (never overdo it), press the M&P-Silicone-Seal-S firmly against the base of the Antenna protruding connector (the red arrow has to face down, the opposite way to the antenna socket). 

3) Then, while holding the M&P-Silicone-Seal-S in place, pull the protruding strip you can find inside one end of the white supporting plastic core (following the direction of the red arrow). Make sure the black silicone rubber placed over the plastic core, is well centered over the connectors to be protected, as this operation is not reversible

See also our video on the Messi & Paoloni YouTube® Channel which can also be reached via the QR CODE attachment). 

4) By continuing to pull the strip (which will come off forming a free spiral), the black silicone rubber, deprived of its plastic core support, will shrink, settling permanently on the cable and connectors, embedding them very tightly. 

This high-speed operation, which does not require any flame or heat, is completed, allowing you to operate in cold and windy environments or on top of towers without worries and assuring a professional and durable result!


We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.


If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:

Click here for returns form

Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request.

Warranty Terms and Conditions

Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.

For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link below and return to ML&S with the faulty product.

International Warranty information

Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk,