264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
|
165 | DF | FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8} |
176.1 | DF | .~ Shaping by extrusion {11} |
210.1 | | .~.~ And reshaping {6} |
210.2 | DF | .~.~.~> Including a step other than application or removal of tension |
210.3 | DF | .~.~.~> With application of agent other than water or air to workpiece {1} |
210.5 | DF | .~.~.~> With temperature gradient across cross-section of workplace or heat treatment after all shaping |
210.6 | DF | .~.~.~> With processing before extrusion or inclusion of additive |
210.7 | DF | .~.~.~> Plural stretching steps or stages |
210.8 | DF | .~.~.~> Of filament |