Squirt SEAL Tyre Sealant2023-10-03T10:53:04+00:00

Squirt SEAL Tyre Sealant

Squirt SEAL with BeadBlock is an ammonia-free latex solution which contains natural microfibres and BeadBlock particles. Together they form a permanent, reinforced rubber plug in punctures up to 6mm. It will prevent sidewalls sticking together. Contains corrosion inhibitors. Suitable for use from -20 °C to +40 °C.

  • Seals punctures caused by objects up to 6mm in diameter
  • Contains BeadBlockTM Technology
  • Environmentally safe & Ammonia free
  • Easy to clean
  • Available in NEW 120ml Easy-fill pouch, 1 litre and 5 litre


SEAL’s mode of action is based on three components: latex, micro-fibers and BeadBlock™ granules. Synthetic latex liquid (ammonia-free) forms the base in which the microfibres are suspended and BeadBlock granules added. In the 150ml (5oz) size bottle, the BeadBlock granules are pre-added and only have to be added when the 1 liter and 5 liter sizes are used. On sudden pressure change (when you get a puncture), the liquid rubber quickly solidifies around the hole in the tire. If it does not seal at once, the microfibers will start plugging the hole and in case of a puncture made by an object with a diameter of up to 6mm, the BeadBlock granules will do the rest.

Read an independent review of Squirt Tyre Sealant here.


Can I add more BeadBlock kernels than the recommended amount?2021-05-12T07:48:33+00:00

Yes, you can. There is an optimum level though where-after more kernels will not seal more effectively.

What is the recommended amount of BeadBlock kernels to add?2021-05-12T07:47:59+00:00

We recommend 3-5ml per 100ml-150ml as per the instructions on the label.

Will the use of a CO₂ cartridge affect the sealant?2021-05-12T07:47:28+00:00

CO₂ can be used in emergencies with sealant, baring in mind that the bomb should only be activated with the valve at the top (i.e. 12 o’clock) position. The cold blast of gas directly into the sealant can lead to local solidification of most latex-based sealants with resulting lumps.

SEAL liquid was translucent (not white or caramel colored) when I opened my tire. Why does this happen?2021-05-12T07:46:51+00:00

The latex part of the sealant was absorbed into the tire to seal rubber porosity, especially in tubeless-ready tires and thin-walled racing tires which are more porous.  This seals the side walls and less frequent air top-ups will be required.  Remove the remainder of the translucent liquid in the tire and top-up with fresh sealant.

SEAL turns a caramel-colored after some weeks in the tire. Is this normal?2021-05-12T07:46:21+00:00

Yes, it’s normal no cause for concern.

SEAL formed lumps and pieces of solid rubber in the tire – why does this happen?2021-05-12T07:45:51+00:00

In rare cases the sealant might solidify prematurely to form solid pieces of rubber in the tire.  This is due to two factors; chemical contamination and CO₂ bombing with the valve at 6 o’clock (bottom) position.  Chemical contamination usually occurs from the mold release agent used during the manufacturing of tires.  New tires should be cleaned properly with liquid soap and rinsed with water to remove manufacturing chemical residue.

The second probable cause for solids formation (bombing at 6 o’clock position) is due to the extreme cold stream of CO₂ jetting into the puddle of sealant at the bottom of the tire. The sealant can handle sub-zero temperatures to -4 ℉ (-20℃) without freezing, but not that which comes from the sudden expansion of the high-pressure gas into the immediate surrounding low-pressure atmosphere into the puddle.  This causes the sealant emulsion to solidify, hence forming lumps.

Will Squirt Sealant with BeadBlock clog up my valves after a couple of weeks?2021-05-12T07:45:11+00:00

No, it does not clog up the valves from the inside and you will be able to top-up at any time and also inflate as you need.

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