Repair procedures for plastics will vary depending on the type of plastic.
In order to identify the type of plastic, look for the SAE code stamped into
the part:
Code Found
Do not use a plastic burn test in order to distinguish the types of
plastics. The burn test produces vapors that are harmful to you.
No Code Found
• | Type the plastic part as thermoplastic if the part has the following
characteristics: |
• | Type the plastic as thermoset plastic if the part has the following
characteristics: |
- | Will smolder rather than flame up |
- | Normally not solvent sensitive |
Thermoplastic and thermoset plastics can be either rigid or flexible.
Thermoplastic plastic parts are best repaired with a hot iron plastic material-feed
welder, but are usually replaced. Thermoset plastic can be repaired with epoxy
or other more rigid two package repair material.
For rigid thermoset repair materials refer to
Rigid Plastic Part Repair Materials
.
For flexible thermoset repair materials refer to
Flexible Plastic Part Repair Materials
.
For general repair instructions refer to
General Plastic Repair
.