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++