CNG TY C PHN IPRO - IPRO Joint stock company a ch: S 7/651 Ph Minh Khai Hai B Trng H Ni in thoi: 04. 39871537; 090.494.9779; Fax: 04.39871537
PROMIC
Ph gia khong hot tnh siu mn cho b tng v va cht lng cao M t
PROMIC l sn phm dng bt siu mn c thnh phn chnh l cc oxit hot tnh.
PROMIC khi a vo b tng v va lm tng c chc, gim thiu Ca(OH)2 lm
tng cng v ci thin tnh cht sn phm. PROMIC c bn p ng theo tiu
chun ASTM C1240 Yu cu k thut v s dng silica fume lm ph gia khong
cho b tng v va.
PROMIC cng p ng mc rt cao theo TCVN 6882:2001-Ph gia khong
cho xi mng.
Phm vi ng dng
- PROMIC lm tng cng ca b tng nn c th gim kch thc cu kin, lm
tng hiu qu kinh t cho cng trnh
- B tng v va c s dng ph gia khong PROMIC c th t mt s tnh cht
sau:
Chng thm nhp ion Clo: ch s Coulombs nh hn 500 (mc rt thp theo
ASTM C1202)
Chng thm tt: t mc chng thm ln hn B20 theo TCVN 3116:1993 nn
c dng trong kt cu mng, tng tng hm, tr cu, cc cng trnh bin
Chng n mn sulfate: khi PROMIC c trn vi xi mng Pooclang thnh sn
phm xi mng Pooclang bn Sulfate theo tiu chun TCVN 6067:2004 s dng rt
hiu qu trong b tng cng trnh bin.
Kt hp vi ph gia siu do ch to b tng v va cng cao ti 100
MPa
u im
D phn tn u trong b tng v va
Trnh hin tng tch nc, phn tng trong b tng v va
D iu chnh tnh cht ca b tng v va theo t l trn PROMIC
Khng gii hn thi gian bo qun
Tng bn lu ca cng trnh
c tnh k thut c bn p ng theo tiu chun ASTM C1240
c tnh Loi I Loi II
m, %, nh hn 3,0 3,0
Mt khi nung,%, khng ln hn 3 4
Lng st trn sng 45m, khng ln hn 3,0 5,0
Tng hm lng SiO2 + Al2O3 + Fe2O3, %, khng nh hn
85 80
Ch s hot tnh cng vi xi mng so vi mu i chng 7 ngy tui, %, khng nh hn
110
90
Hng dn s dng
PROMIC thng c s dng vi t l t 3 n 7% so vi lng xi mng. Loi I
nn dng ch to b tng v va ti 100 MPa, c ht nc nh hn 3,
thm nhp ion Cl- khng ng k . Loi II nn dng ch to b tng v va ti
80 MPa, c ht nc nh hn 3, thm nhp ion Cl- nh hn 1000 Coulumbs.
Cn s dng PROMIC phi hp vi ph gia siu do hm lng cao.
tng ng nht, PROMIC cn c trn chung vi ct liu trc khi cho xi
mng v nc.
C th s dng tng cng b tng tui sm ca b tng cc tui 1, 2, 3
ngy.
Bo qun
Bo qun ni kh ro, c mi che.
PROMIC khng b gim cht lng theo thi gian bo qun.
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