I-ASTM A888 Phosa umbhobho wentsimbi kunye nokuFakwa

Imibhobho yomhlaba yentsimbi engenaziphene kunye nezifakelo eziveliswe bubuchwephesha be-centrifugal zisetyenziswa ikakhulu kwidrainpipe ngonxibelelwano olubhetyebhetye.Imveliso ifumene imigangatho ye-ASTM A888, CISPI301 kwaye inezi nzuzo zilandelayo:

 ◆Isicaba kwaye ithe tye, ubukhulu bodonga lombhobho, ukomelela okuphezulu kunye noxinaniso, ukuguda okuphezulu ngaphakathi nangaphandle kodonga, akukho ziphene kwisiseko sodonga;

◆Ufakelo olulula, ukugcinwa lula,

◆Ubomi obude, buluncedo kwimekobume, bungatshi kwaye akukho ngxolo.

Ngaphakathi nangaphandle: Ipeyinti ye-bituminous yepeyinti. 

Ubukhulu:1.5″, 2″, 3″,4″,5″,6″,8″,10″,12″,15″ 

Ikhemikhali yentsimbi engwevu:

P＜0.38 S＜0.15 Cr＜0.50 Ti＜0.10 Al＜0.50 Pb＜0.015 C+(Si+P)/3 CE＞4.10

Iipropati zoomatshini bentsimbi engwevu: ＞145Mpa