DEAR SIR,
WE CAN SUPPLY
PORTLAND CEMENT GRADE 42.5, QTY 50000MT-100000MT, MONTHLY, FOB PORT OF
RIZHAO CHINA USD37/MT, YEARLY CONTRACT. PAYMENT BY SIGHT L/C,
Specifications
Conforming
to China National Standard (GB175-1999)
Magnesium
Oxide氧化镁 MGO) 5.0% Max (6.0% Max while soundness is checked by
Autoclave Expansion Test压热器膨胀测试)
Sulphur Trioxide 三氧化硫(SO3) - 3.5% Maximum
Loss on Ignition烧失重 (L.O.I.) - 3.5% Maximum
Fineness Residue over Sieve细度 80 I - 10.0%
Maximum
Setting Time 初凝时间- Initial Setting
Minimum 45 minutes
Final Setting Time 终凝时间-
Maximum 10 hours
Strength Grade as
follows:强度级别如下
Type类型 & Grade级别
3 days 28 days 3 days 28 days天
P. O. Cement 425 21.0 42.5 4.0 6.5
Chemical Composition化学成分
Mgo (%) <=5.0氧化镁
So3
(%) <=3.5三氧化硫
Loss on Ignition 烧失量(%) <=3.5
Insoluble Residue (%) <=1.5
Physical Test物理测试
Fineness细度: Air permeability空气渗透性
>=300M2/kg Soundness: Good
Vicat Test Initial
Set初凝时间 >=45 minutes Final Set终凝时间 <=390 minutes
Compressive Strength抗压强度 (Mpa): 3 days天
>=23.0 28 days >=52.5
Bending Strength抗折强度
(Mpa): 3 days天 >=4.0 28 days >=7.0
PACKING :
50KG BAGS OR 1-1.5MT JUMBOO BAGS
INSPECTION : SGS
OR CCIB
ANY INTERESTED COMPANY PLEASE CONTACT
WITH US IN DETAIL.
B/RGDS
JOHN SUN
CHINA DALIAN
SANGAO OVERSEAS COOPERATIVE CORP.
TEL 86 411
82480352
FAX 86 411 82490411
EMAIL sxs888888@163.com
MSN sxs888888@hotmail.com
