I broke the wand on a weed sprayer I really like. My 5 minute epoxy
holds for a while until a side load is applied then zap. I've shopped
Walmart and Home Depot so far and find nothing that claims to glue
plastics. What ever happened to model airplane glues and the such?
It's possible your bug sprayer wand is made of PVC or CPVC, in which
case CPVC pipe glue will work (works on PVC as well, but PVC glue
won't work on CPVC). If the plastic dissolves when exposed to lacquer
thinner, acetone, or carb/throttle body cleaner, then it's either
CPVC, PVC, ABS, styrene, or polycarbonate. If such solvents do
nothing (my expectation), then the plastic is likely polyethylene or
polypropylene, which can't be glued, at least not well, but has to be
melted together. Your best bet may be to put a sleeve of metal or
rigid plastic over the break
Have you tried a hobby shop?
Plastics need the correct solvents for a proper weld, plus lots of bearing
surface for a strong bond. And an uncontaminated surface. If any sort of
substance has gotten on the fractured surfaces, a durable bond will likely
Model airplane glues are (were?) made for fusing styrene. Your weed sprayer
probably has an ABS body. ABS contains styrene, so you'd think model
airplane glue would hold, but there may not be enough styrene in the
polymer to make a proper weld.
Besides, even with the correct adhesive, the resulting butt joint will be
forced to undergo very high bending loads relative to its surface area,
very quickly leading to a new fracture.
I think you need either a new part from the manfacturer, or a new weed
Glues went out in the seventies, when teenagers figured out
they could kill themselves with a big smile, by inhaling the
vapors. Leading to the warning now found on glue tubes. In
the case of your sprayer. You may have better luck trying to
find a slightly larger tube. Use that as a slip coupler,
with the epoxy inside the tube.
I've got a sprayer I really like, but can't find another
one. This one has brass wand and nozzle, and works well.
Originally sold with a little bottle of Roundup. Have to see
if I can find those again. Probably not. Sprayers are going
With the brass wand, I used a tubing bender to provide the
angle I wanted.
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