摘要 |
A process for the manufacture of tubular rubber articles includes a) forming a tube of uncured rubber on a mandrel; b) wrapping the tubular rubber by winding with a film laminate including i) at least one layer of a heat stabilized, oriented nylon film having a thickness of from 13 to 50 mu m and having a shrinkage of 2 to 10% in the machine direction, laminated to ii) at least one heat stabilized film selected from an oriented nylon film having a thickness of from 13 to 50 mu m and having a shrinkage of 2 to 10% in the machine direction, or a cast nylon film having a thickness of from 15 to 155 mu m and having a shrinkage of 0.5 to 1.5% in the machine direction; and c) curing the rubber at an elevated temperature.
|