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PLASTIC PARTS
PP-5
2.
Welding damaged area
a)
To repair cracked area, melt the area using a heat gun and attachment.
b)
To repair a hole, remove oil from the damaged area and apply aluminum tape to the rear side of the damaged area.
3.
Melt polypropylene welding rod using a heat gun and fill in the cracked area.
NOTE
•
Heat and melt the area indicated.
•
Melt the welding rod carefully so that it does not over-melt. If the welding rod over-melts like jelly, the welding
strength will deteriorate.
•
Use the heat gun 0.4~0.8 in.(10~20 mm) away from the repair area to be welded.
Welding rod should not move until the welded area is cooled.
Heat gun
Apply on surface
Surface of polypropylene
Section view after melt
Melt the surface using a heat gun.
VQPP004
Remove oil.
Section A-A’
Apply aluminum tape on the rear side of the damaged area.
VQPP005
Melt here
Polypropylene
welding rod
Melt here.
Polypropylene
welding rod
A-A’
B-B’
C-C’
Section
VQPP006
Polypropylene welding rod
Tape
Plane view
Section A-A’
Polypropylene welding rod
Surface of
polypropylene
VQPP007
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