Paragraph 19 I1I2
United Kingdom
Ring-shaped seals and gaskets, having an inner diameter of 400 mm or less, made of any of the following materials—
(a)
copolymers of vinylidene fluoride having 75 % or more beta crystalline structure without stretching;
(b)
fluorinated polyimides containing 10 % by weight or more of combined fluorine;
(c)
fluorinated phosphazene elastomers containing 30 % by weight or more of combined fluorine;
(d)
polychlorotrifluoroethylene (PCTFE, e.g. Kel-F ®);
(e)
fluoro-elastomers (e.g. Viton ®, Tecnoflon ®);
(f)
polytetrafluoroethylene (PTFE).
Annotations
Commencement
- I1
Sch. 2 para. 19 not in force at made date, see reg. 1(2)
- I2
Sch. 2 para. 19 in force at 31.12.2020 by S.I. 2019/627, reg. 7(2); 2020 c. 1, Sch. 5 para. 1(1)