CAS 11130-12-4 borax pentahydrate decahydrate powder 99.9


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Цена:550,00 $ - 600,00 $*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-17-2025 655.81 $* 688.84 $*
Aug-17-2025 649.82 $* 681.79 $*
Jul-17-2025 545.83 $* 572.80 $*
Jun-17-2025 638.38 $* 670.14 $*
May-17-2025 556.55 $* 584.32 $*
Apr-17-2025 627.22 $* 658.85 $*
Mar-17-2025 622.44 $* 653.4 $*
Feb-17-2025 616.74 $* 647.68 $*
Jan-17-2025 611.99 $* 642.5 $*

Характеристики



Product Description




Borax is also called coarse borax in chemical composition, it is containing 10 water molecule four boric acid
sodium. Its crystal to the plate or columnar crystal together form the brilliant clumps, granular, porous soil block etc, color is white with ash or with light color attune of yellow, blue, green, etc, with vitreous burnish.


Specification


ITEM
Specification
Decahydrate
Pentahydrate
Anhydrous
Appearance
White Powder
Molecular Weight
381.37
291.29
201.22
Sodium Borate Assay, %≥
95; 99.5
(Na2B4O7.10H2O)
99.5
(Na2B4O7.5H2O)
95; 99.5
(Na2B4O7)
B2O3, %≥
37-38
48.5
68.0
NaO2, %≥
16-17
21.5
30
Sodium carponate (Na2CO3) % ≤
0.1
0.1
0.1
Insoluble matter in water % ≤
0.04
0.04
0.04
Sodium Suitate (Na2SO4) % ≤
0.2
0.2
0.2
Sodium Chloride (NaCl) % ≤
0.03
0.03
0.03
Iron (Fe) % ≤
0.002
0.002
0.002


Packing & Delivery




Woven bag lined with plastic bag, net weight 25kg /bag,50kg /bag,100kg /bag


Company Profile






FAQ


1.Q:Are you a factory or trading company?
A:We are a factory.
2. Q: What documents you provide?
A: Usually, we provide Commercial Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know
3. Q: What is loading port?
A: Usually is Tianjin or Qingdao.


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