I have used polyethylene welding for rental canoes we operate and poly
trash carts
Needless to say they both lead rough lives !
Once you have identified the plastic and made sure that the filler rods
are compatible you are well on the way .
There are various plastic welding sites that can assist with identifying
the plastic you have .
I have found the best and strongest method to be sinking a SS screen
mesh into the plastic spanning the crack by at least 1 " either side
.Once the mesh is in place simply fill the space with the filler rods .
It is desirable to work both sides of the crack but that is not always
possible .
The kits are cheap (basically a soldering iron with a spoon end )
As I said at the start identifying the plastic correctly is key ,if you
get it wrong the filler will almost flake off
On 23/03/2013 2:37 PM, Don Siddall wrote:
My holding tank has a small crack where the cylindrical exit fitting
is connected to the tank (a polyethylene tank installed post
construction under the V berth)
Google reveals polyethylene welding kits that may resolve the problem.
I'd appreciate advice on using these, or some other process, to repair
the leak.
Don
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D.Drake 73 Jensen Healey C&C 26
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