LONGKETER bay yon seri konplè nanSegondè Alumina Refractory Cement.
Segondè alumina siman REFRACTORY se siman aluminate kalsyòm, li rele tou siman alumina segondè, siman REFRACTORY, siman alumina kalsyòm.
Segondè aluminarefractorysiman diferan de siman Portland, li pa ta ka aplike nan konstriksyon sivil. Li fèt ak aluminat kalsyòm olye pou yo silikat kalsyòm. Kabonat kalsyòm ak boksit se engredyan prensipal yo. Se siman alumina segondè lajman ki itilize kòm ajan obligatwa nan alumina refractory castable.
Pwosesis pwodwi: materyèl poud gradye - melanje - woule nan voye boul --- tire nan tinèl oswa fou arbr --- klinker fanm k'ap pile nan poud - enspeksyon ak anbalaj
Premyèman, segondè siman alumina refractory gen ekselan rezistans chalè. Li ka kenbe tèt ak tanperati ki wo san yo pa fann oswa pèdi fòs. Sa a se paske segondè alumina siman refractory gen yon gwo kantite aluminate ak konpoze aluminate kalsyòm. Pwen k ap fonn segondè nan konpoze sa yo asire ke siman an ka kenbe tèt ak tanperati ki wo.
Anplis de rezistans chalè, segondè siman alumina refractory tou gen gwo rezistans korozyon. Li rezistan a atak pa plizyè ajan chimik, sa ki fè li ideyal pou itilize nan anviwònman piman bouk kote lòt kalite siman ka echwe.
Finalman, segondè siman REFRACTORY alumina se rezistan a chòk tèmik. Chòk tèmik rive lè materyèl yo ekspoze a chanjman rapid nan tanperati. Segondè alumina siman REFRACTORY ka kenbe tèt ak chanjman sa a san yo pa pèdi fòs li yo oswa entegrite estriktirèl.
Done pwodwi siman aluminate
|
Kategori |
CA50 |
CA70 |
||||||
|
Klas pwodwi |
A600 |
A700 |
A900 |
CA70 |
CA70W |
CA70S |
CA71 |
|
|
Konpozisyon chimik (%) |
SiO2 |
Mwens pase oswa egal a 8.0 |
Mwens pase oswa egal a 7.5 |
Mwens pase oswa egal a 6.0 |
Mwens pase oswa egal a 0.5 |
Mwens pase oswa egal a 0.5 |
Mwens pase oswa egal a 0.5 |
Mwens pase oswa egal a 0.5 |
|
Al2O3 |
Pi gran pase oswa egal a 50.0 |
Pi gran pase oswa egal a 51.0 |
Pi gran pase oswa egal a 53.5 |
68.5-70.5 |
68.5-70.5 |
68.5-70.5 |
69.5-71.5 |
|
|
Fe2O3 |
Mwens pase oswa egal a 2.5 |
Mwens pase oswa egal a 2.5 |
Mwens pase oswa egal a 2.5 |
Mwens pase oswa egal a 0.2 |
Mwens pase oswa egal a 0.2 |
Mwens pase oswa egal a 0.2 |
Mwens pase oswa egal a 0.2 |
|
|
R2O |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
|
|
S |
Mwens pase oswa egal a 0.1 |
Mwens pase oswa egal a 0.1 |
Mwens pase oswa egal a 0.1 |
– |
– |
– |
– |
|
|
Cl |
Mwens pase oswa egal a 0.1 |
Mwens pase oswa egal a 0.1 |
Mwens pase oswa egal a 0.1 |
– |
– |
– |
– |
|
|
CaO |
– |
– |
– |
28.5-30.5 |
28.5-30.5 |
28.5-30.5 |
27.5-29.5 |
|
|
MgO |
– |
– |
– |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
Mwens pase oswa egal a 0.4 |
|
|
325M rezidi sou Van (%) |
Mwens pase oswa egal a 15 |
Mwens pase oswa egal a 12 |
Mwens pase oswa egal a 8 |
– |
– |
– |
– |
|
|
S (m2/kg) |
Pi gran pase oswa egal a 300 |
Pi gran pase oswa egal a 320 |
Pi gran pase oswa egal a 350 |
– |
– |
– |
– |
|
|
Tan inisyal anviwònman (min) |
Pi gran pase oswa egal a 45 |
Pi gran pase oswa egal a 60 |
Pi gran pase oswa egal a 90 |
120-180 |
30-90 |
180-240 |
150-210 |
|
|
Tan final la fikse (h) |
Mwens pase oswa egal a 6 |
Mwens pase oswa egal a 6 |
Mwens pase oswa egal a 6 |
150-240 |
90-180 |
240-330 |
210-300 |
|
|
Fòs flexural (MPa) |
1d |
6 |
6.5 |
8.0 |
7.5-10.0 |
8.0-10.5 |
8.0-10.5 |
8.5-11.0 |
|
3d |
7 |
7.5 |
10.0 |
10.0-12.0 |
10.5-12.5 |
10.5-12.5 |
11.0-12.5 |
|
|
Fòs konpresyon (MPa) |
1d |
45 |
55 |
72 |
40-50 |
45-55 |
45-55 |
50-60 |
|
3d |
55 |
65 |
82 |
45-55 |
50-60 |
50-60 |
55-65 |
|
Baj popilè: segondè alumina refractory siman, Lachin segondè alumina refractory siman manifaktirè, Swèd, faktori
