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Vapowire Kanthal



Round vs. Flat Ribbon Kanthal

Flat ribbon wire has more surface area for a given volume compared to round wire.

Regardless of what vaping methods you use (such as drip tips, tanks, and bottom feeders), all personal vaporizers (PVs) require a heating system. Since ribbon Kanthal is used to convert electrical power from the battery into heat for vaporizing e-Juice, it can be used for modding any PV with a rebuildable atomizer.

Comparison Chart

Thickness x Width Feet per Pound Resistance (Ohms/ft. @ 68°F) Equivalent Round wire
Millimeters Inches AWG Ohms/ft. @ 68°F
- - - - 34 21.1
0.4 x 0.1 0.0157 x 0.004 5618 11.4 32 13.1
0.5 x 0.1 0.0197 x 0.004 4444 9.2 31 10.6
0.6 x 0.1 0.0236 x 0.004 3690 7.68 30 8.36
0.7 x 0.1 0.0276 x 0.004 3236 6.58 29 6.55
0.8 x 0.1 0.0315 x 0.004 2809 5.79 28 5.27
0.9 x 0.1 0.0354 x 0.004 2481 5.12 27 4.15
- - - - 26 3.31
- - - - 24 2.07
- - - - 22 1.31
- - - - 20 0.817

Advantages of Flat Wire

How does having more wire surface area affect vaping?

Produces More Vapor

Using flat ribbon in your PVs means you will get more vapor from each draw. This is similar to why cooking stoves have flat tops: there is more contact area between the heat source and whatever is being heated.

Easier to Wind

The flat shape of the wire makes it much easier to wrap around and cover the wick.

NOTE: Sharp twists in ribbon wire will cause tears, rips, warping, and other kinds of mechanical damage due to its flat shape. Thus, if you have a rebuildable atomizer (RBA), avoid twisting the wire wherever possible as you are winding your coils.

The only areas where twists are unavoidable are at positive and negative screw terminals. This is because you should have your ribbon wire flat (horizontal) against the screw head, as good electrical connections require good mechanical connections. However, this means you may have to twist the wire in order to wrap it around the wick.

Eliminates Hot Spots

The most common issue people have when winding coils on their atomizers is getting areas of uneven heating called "hot spots." Hot spots will drastically shorten the life of your coil. Uneven heating causes parts of the coil to expand and contract at different rates, which wears out the coil much more quickly compared to a coil without hot spots.

Finding hot spots after taking the time to carefully wind a coil for your atomizer can also be very frustrating, especially if you keep seeing hot spots after repeated adjustments. However, hot spots are less likely to occur with flat ribbon.