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.