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Plypipe is a five-layer composite
pipe, its inside and
outside layers are made of High-Density,
Cross-Linked or
Medium Density Polyethylene (
HDPE, PEX or MDPE )
, tightly bonded with melt adhesive to the mid-layer
of longitudinally overlapped-welded aluminum core
of the pipe. All
layers are extruded by one
step.
Plypipe's
inside and outside layers are special PE, which is Hygienic, toxic-free
and smooth, and its middle
layer of AL is 100% of gas/oxygen tightness,
giving it both advantages
of metal and plastic pipe, but eliminating their own
disadvantages.
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Plypipe's
fittings are specially designed for Plypipe and
has been granted national patent. Plypipe fittings are
hi-corrosion and hi-pressure resistant, every
sector of which parts strengthening into pipe is
able to avoid leakage of gas and liquid, and is not affected by moving,
connecting is easy. the tighter of the nut,
the tighter of fitting
with pipe, all these assure to avoid gas and
liquid leakage.
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