... 1216 to 2632,overlap and laser crosslink>=65DEG.C pex-al-pex pipe/tube SIZE(mm) 121614181620 202520262632(inch) 1/29 ... , blue, yellow, black/ white, red, blue, yellow, black OXUGEN DIFFUSION mg/1.d0 HEAT CONDUCTIVITYW/m.k10.43 EXPANSION COERFFICIENTmm/m ... gardenL) Pipes for water engineer in residential area pex-b-al-pex-b pipe/pe ...