阿里巴巴优质供应商
   铝酸盐水泥（原高铝水泥也称耐火水泥）...hy耐火水泥 耐酸水泥 硅酸盐水泥 铝酸水泥 拉法基水泥 高铝水泥
   用于配制不定型耐火材料；配制膨胀水泥、自应力水泥、化学建材的添加料等；抢建、抢修、抗硫酸盐侵蚀和冬季施工等特殊需要的工程。
   执行标准：gb201-2000《铝酸盐水泥》
水泥类型：ca-50-5型、6型、7型、8型
化学成份（%）：
al2o3
sio2
fe2o3
r2o
≥50,＜60
≤8.0
≤2.5
≤0.40
   细度：比表面积不小于300m2/mg或0.045mm筛余不大于20%，由供需双方商订，在无约定的情况下发生争议时以比表面积为准。
凝结时间：初凝时间不得早于30min，终凝时间不得迟于6h。
强度：各龄期强度值不得低于下表数值。
抗压强度mpa
抗折强度mpa
6h
1d
3d
6h
1d
3d
20
40
50
3.0
5.5
6.5
   水泥袋装每袋净重50kg，且不得少于标志质量的98%，随机抽取20袋总质量不得少于1000kg。其他包装形式由供需双方协商确定。在运输和贮存时应特别注意防潮和不与其他品种水泥混杂，存放期不得超过三个月，过期或受潮结块，应重新测试合格后方可使用。
1）在施工过程中，一般不得与硅酸盐水泥、石灰等能析出氢氧化钙的胶凝物质混合，使用前拌和设备等必须冲洗干净。
2）不得用于接触碱性溶液的工程。
3）从水泥硬化开始应立即浇水养护，取龄期为7d和14d强度值之低者来确定。
5）若用蒸汽养护加速混凝土硬化时，养护温度不得高于50℃。
6）用于钢筋混凝土时，钢筋保护层的厚度不得小于60mm。
7）未经试验，不得加入任何外加物。
8）不得与未硬化的硅酸盐水泥混凝土接触使用；可以与具有脱模强度的硅酸盐水泥混凝土接触使用，但接茬处不应长期处于潮湿状态
high alumina refractory cement refractory cement portland cement
   aluminate cement (high alumina cement, also known as the original fire-resistant cement)
   for the preparation of unshaped refractory; preparation of expansive cement, self-stressing cement, chemical building materials and so on to add; get the building, repair, resistance to sulfate attack and winter construction projects and other special needs.
   executive standard: gb201-2000 "cement"
cement type: ca-50-5 type, 6 type 7 type 8
chemical composition (%):
al2o3 sio2 fe2o3 r2o
≥ 50, <60 ≤ 8.0 ≤ 2.5 ≤ 0.40
   fineness: specific surface area of not less than 300m2/mg or 0.045mm sieve is not greater than 20%, from supply and demand both sides agreed that in case of no agreement event of a dispute in order to prevail than the surface area.
setting time: initial setting time of not more than 30min, and final setting times not later than 6h.
strength: the strength values of age shall not be less than the table values.
compressive strength mpa flexural strength mpa
6h 1d 3d 6h 1d 3d
204 050 3.0 5.5 6.5
   cement bag net weight 50kg, and the quality mark shall not be less than 98% random sample of 20 bags of the total mass of not less than 1000kg.other packaging by the supply and demand sides through consultation.in the transport and storage of moisture and particular attention should be no cement mixed with other varieties, storage period not exceeding three months, expired or damp agglomeration, should be re-tested before use.
1) during the construction process, generally not with portland cement, lime, calcium hydroxide to precipitate the cementitious materials mixed before use to clean the mixing equipment.
2) not be used for contact with alkaline solution works.
3) should be immediately started from the hardened cement water conservation, taking age 7d and 14d for the low strength values were determined.
5) if steam curing speed up the concrete to harden, the curing temperature shall not exceed 50 ℃.
6) for reinforced concrete, reinforced protective layer thickness of not less than 60mm.
7) without a trial, shall not include any additional material.
8) no and no hardening of portland cement concrete access to use; can have the stripping strength of portland cement concrete contacts to use, but not long-term stem into office in the wet state
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巩义市红育耐火材料厂
沈铭
15617950172
巩义市巩义市货场路东段