Productvergelijk HR vs HR++

HR of HR++ wordt met name bepaald door de spouwbreedte.

Spouw mm
6 7 9 10 12 13 14 15 16 18 20 24
Iso HR hr hr+ hr+ hr+ hr+ hr++ hr++ hr++ hr++ hr++ hr++ hr++
Iso HR 1,0 hr hr+ hr+ hr+ hr++ hr++ hr++ hr++ hr++ hr++ hr++ hr++
Iso ZHR hr hr+ hr+ hr+ hr++ hr++ hr++ hr++ hr++ hr++ hr++ hr++