A4/316L Stainless Steel base
Austenitic, Marine grade with minimum 10% nickel content
Annular ringed to maximise grip
(see technical data)
Plasticised heads
UV stabilized (see data below)
Impact modified (see technical data)


UV Stability Test by Vita Thermoplastic Compaounds Ltd.
GUARANTEE STATEMENT
Top-Cap® will show no degradation for 10 years subject to a) there being no adverse changes to Northern European sunlight in that time, b) installation has been carried out by a Top-Cap® approved company and c) has been installed using the recommended tools and methods.