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Nylon + 15% glass fiber welding rod, 3/8" x 1/16", 30 ft., Black
R21-O4-O3-BK R21O4O3BK URER21-04-03-BK R21-O4-O3-BK R21O4O3BK R210403BK URER21-04-03-BK POLR21-04-03-BK R21-O4-O3-BK R21O4O3BK URER21-04-03-BK R21-O4-O3-BK R21O4O3BK URAR21-04-03-BK 694687006549 B099H4HZP5 sku R21-04-03-BK URR21-04-03-BK POLR21-04-03-BK plastic welding sticks URTR21-04-03-BK URT-R21-04-03-BK PLYR21-04-03-BK POL R21-04-03-BK US-R21-04-03-BK PVR21-04-03-BK R21-04-XX-BK UPC694687006549 URE-R21-04-03-BK PLVR21-04-03-BK PLV-R21-04-03-BK
$34.95
Part No.:R21-04-03-BK
Weight: 0.24 LB
Length: 12.00 IN
Height: 0.50 IN
Width: 3.00 IN
UPC: 694687006549
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If you have a broken plastic part the has the markings "PA+GF15", that tells you that the part is "Polyamide" (PA) plus 15% glass fibers (GF). (Polyamide is the "generic" name for "Nylon".) It may have markings like "PA+GF20" or "PA+GF30" or some other number next to GF. Whatever number follows the "GF" is the percentage of glass fibers that are in the nylon. Since PA+GF15 is the only glass-filled nylon we offer, this would be your best option whenever you have a broken, glass-fiber reinforced nylon part.
Nylon is a plastic with a very high melting point and is used in places where high temperatures are present, like radiator tanks and intake manifolds. Nylon has a very distinct smell when melted. Because of the high melting point of nylon, it is often necessary to preheat the area you are going to weld with a heat gun. This will make welding much quicker. Because of the pressure and temperatures on nylon radiator tanks, it is very important that the rod fuse with the base material. Anything less than a complete fusion repair will result in a money-losing comeback job. This is a 30 ft. (9.1 m) package. Each rod is 1 ft. (30 cm) long and 3/8th inch (9.5 mm) wide by 1/16th inch (1.6 mm) thick.
How to Identify:
| Symbol(s): | PA+GF (Polyamide (Nylon) + Glass fibers) |
| Float Test: | Does NOT float. |
| Burn Test: | Burns slowly. Black smoke with soot. |
Float and Burn Test Result Video
Here is our Plastic Welding Rod Numbering Pattern:
(NOTE: Not all rod profiles and colors are available in all plastic types)
Click on image to enlarge
High Resolution Image(s) (opens in a new tab/window)
This page was created on December 2, 2020.
URER21-04-03-BK POLR21-04-03-BK R21-O4-O3-BK R21O4O3BK URER21-04-03-BK R21-O4-O3-BK R21O4O3BK URAR21-04-03-BK 694687006549 B099H4HZP5 sku R21-04-03-BK URR21-04-03-BK POLR21-04-03-BK plastic welding sticks URTR21-04-03-BK URT-R21-04-03-BK PLYR21-04-03-BK POL R21-04-03-BK US-R21-04-03-BK PVR21-04-03-BK R21-04-XX-BK UPC694687006549 URE-R21-04-03-BK PLVR21-04-03-BK PLV-R21-04-03-BK
