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Advantage
Keep Fresh: The pressure-sensitive seal which is made of polystyrene foam material effectively avoids dust, moisture and dirt into the jar and prevents leaks and odors in the bottle so that it can keep the dry or powder products fresh at all times. In addition, it can protect your products from tampering securely.
EASY to USE: No induction sealers or heat shrink bands needed with these liner seals. No tools required. This foam seal peels easily from the container When you need to open.
Application
Foam lid liners are coated with a torque-activated coating, after tightening the lid, they can be adhesive to glass, plastic and metal jars, as well as round containers with metal or plastic lids and closures.
Instruction
1. Keep the cap where the seal needs to be attached clean, make sure there are no water spots and oily residues;
2. Put the lettering side of the seal into the cap and apply a little pressure to attach it tightly;
3. Finally, Screw the lid on as tightly as you possibly can, the seal is activated by the pressure of applying the lid and will adhere within 12-24 hours (No Strong Stickiness).
Note
1. Once the seal is removed, the tightness will be affected when reused.
2. These pressure-sensitive liners are best used with powder or dry products, not suitable for applications containing oil; Avoid overfilling the container.
3. It is recommended to wait enough time before removing the cover after installation.
4. These PS foams are not suitable for use at high temperatures.
DMVelez
Reviewed in the United States on August 2, 2024
Use them to seal containers I bought at Dollar Tree that I don't want moisture getting into.
nanni
Reviewed in the United States on June 24, 2024
These did the trick. No leaks.
Deb
Reviewed in the United States on March 10, 2024
I was recently re-educated on the fact that these WILL indeed with with metal containers. I was under the impression that they were only for glass or plastic but they work just fine with aluminum tins - just make sure there is no oil of the rim of the tin. Adding these discs in addition to the plain foam disc liner helps make a tighter seal...just make sure it is fully pushed down around the edges for ease of tightening.I will definitely buy these again
Customer
Reviewed in the United Kingdom on November 2, 2024
Great item and very easy to use!
Solmarilyn
Reviewed in the United States on July 17, 2023
They are perfect for sealing the jars!! Make sure when they on to tight the cap because that’s how they are sealed
Patty
Reviewed in Canada on July 11, 2023
It’s kind of hit or miss with these. You put it in the lid and screw it on tightly. And hope for the best!
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