Te whānuitanga o te tono:
Ko te paparanga permeable me te paparanga piri o te hanga whariki parapara me te kirikiri hiri rawa hei paparanga parewai. I muri i nga tau o te whakamahinga, kua kitea he pai tenei momo whakamomori bitumen mo nga waahi he wai maro.

whakaahuatanga hua:
Ko tenei whakaemulsifier bitumen he whakaemulsifier bitumen wai. He pai te rere, he ngawari ki te taapiri me te whakamahi. I te wa o te whakamatautau whakamohoatanga bitumen, ka taea e te iti o te taapiri te whakaemi, a he pai te hua whakaemulsification.

Tohu Hangarau
Tauira: TTPZ2
Te ahua: He wai maramara, he ma-ma ranei
Ihirangi hohe: 40%-50%
Uara PH: 6-7
Inenga: 0.6-1.2% bitumen whakaemulsi mo ia tana
Taapiri: 200kg/paera

Tohutohu:
E ai ki te kaha o te tank hopi o te taputapu bitumen emulsion, paunatia te emulsifier bitumen kia rite ki te inenga i roto i nga tohu hangarau. Whakauruhia te emulsifier kua paunatia ki roto i te tank hopi, whakaoho me te wera ki te 60-65°C, me te bitumen ki te 120-130°C. Whai muri i te ekenga o te pāmahana wai me te pāmahana bitumen ki te paerewa, ka timata te hanga bitumen whakaemulsified. (Mena kei a koe etahi patai, tirohia: Me pehea te taapiri i te whakaemi bitumen.)

Tena koa tohutohu:
Kaua e pa ki te ra. Rokiroki i roto i te wahi pouri, hauhautanga me te hiri, kia rite ranei ki nga whakaritenga rokiroki i runga i te oko takai.