and DIN 3113

(citation of functional details from manufacturer's specifications)

Stated load capacity: 13

The documentation explicitly mentions use on surfaces such as rubber

Kabelsko CU fortinnet UL 16mm²-Ø12 EURO insp. Hul Unit(s):Pcs and DIN 3113Product Overview This tubular cable lug from the R series, model ICR1612SL, is designed for terminating copper conductors. The product is specified for a conductor cross section of 16 mm and a metric bolt size of M12. The cable lug has an inspection hole and is made of Cu HCP (99. 9% pure electrolytic copper) with a tin plated surface. Construction and Material Material: Cu HCP (99. 9% pure electrolytic copper). Surface treatment: Tin plated (tinned