Introduction (Sodium Hydroxide)
Sodium hydroxide, also known as caustic soda, caustic soda and caustic soda, is an inorganic compound with the chemical formula of NaOH. Sodium hydroxide is strongly alkaline and highly corrosive. It can be used as acid neutralizer, coordination masking agent, precipitant, precipitation masking agent, color developer, saponifier, peeling agent, detergent, etc. it is widely used.
Specification
1. Caustic soda flakes:
Item | Standard | Test Result |
Assay (NaOH) % | 98~100.5 | 98.7 |
Sodium Carbonate (Na2Co3)% | ≤2.0 | 0.25 |
As mg/kg | ≤3.0 | 3.0 |
Pb mg/kg | ≤5.0 | 5.0 |
Water insoluble substance | Pass the test | Pass the test |
Hg mg/kg | ≤0.1 | 0.011 |
Color | White color | Confirm |
2. Caustic soda pearls
Item | Standard | Test Result |
Assay (as NaOH) | 99.0 min | 99.01 |
Sodium Carbonate (Na2CO3) | 0.5 max | 0.44 |
Sodium Chloride (NaCl) | 0.03 max | 0.02 |
Fe2O3 | 0.005max | 0.0008 |
Color | White color | Confirm |
Application
1. Chemical manufacturing: Caustic soda is widely used in the production of a variety of chemicals, including detergents, soaps, textiles, and paper.
2. Water treatment: Caustic soda is used to adjust the pH of water and to remove impurities from water.
3. Food processing: Caustic soda is used in food processing to clean and sanitize equipment and surfaces.
4. Petroleum refining: Caustic soda is used in the refining of petroleum products to remove impurities.
5. Metal processing: Caustic soda is used in the production of aluminum and other metals.
6. Cleaning products: Caustic soda is used in the production of cleaning products, such as drain cleaners and oven cleaners.
7. Pharmaceuticals: Caustic soda is used in the production of pharmaceuticals, including antibiotics and pain relievers.
8. Pulp and paper: Caustic soda is used in the production of pulp and paper, where it is used to break down wood fibers.
9. Textile manufacturing: Caustic soda is used in the production of textiles, where it is used to remove impurities and to soften fabrics.
10. Biodiesel production: Caustic soda is used in the production of biodiesel, where it is used to convert vegetable oils and animal fats into biodiesel.
Packaging & Shipping




Why Choose Us

Company Profile
Mingray Technology Group Co., Ltd. is established in 2009 and located in Changsha, China. we are one of well known as a supplier of chemicals in China. We have large storage centers in Changsha, Wuhan, Nanchang and Guangzhou, and have our own short-distance transportation fleet. It has established stable cooperative relations with many well-known brands at home and abroad, providing customers with a stable, convenient and optimized procurement platform and service guarantee.
Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & Dyeing, leather processing, fertilizer, water treatment, construction industry, food & Feed additives and other areas. With more than 13 years developing and study in the industry, we stick to business philosophy of" integrity, deligence, fighting, innovation ", and have winning customers praise with our superior quality, favorable price and excellent service.
We are a group company, Its wholly-owned subsidiaries include Hunan Mingray Trade Co., Ltd, Changsha Mingrui Chemical Co., Ltd,Hunan Mingrui Bulk Raw Material Supply Co., Ltd, Hunan Pengrui Technology Co., Ltd, Henan Hailai Rubber & Plastic Technology Co.,Ltd, Nanchang Mingrui Chemical Co., Ltd, Wuhan Hangu Trading Co., Ltd, Mingrui (Hong Kong) International Development Co., Ltd.
Our factory:



Our team:




Our service:
- To supply high-quality products with reasonable prices in food additive industry.
- To follow orders and arrange shipping in time,providing complete documents for customs clearance according to different export policies in different countries.
- To take all the responsibility in case of product quality problems.
- To inform customers of price trends in the market timely.
- Perfect after-sale service,any inquiry will be replied within 24hours.
- Reasonable and competitive prices with short lead time.
- Sample is available for your evaluation and formulation development.
- Dedicated to high quality,stable supply and considerate service.
FAQ:
1.What are your payment terms?For our first cooperate client, usually by TT 30% deposit,balance paid agansit BL copy, or full amount LC at sight. If you be our regular client, payment term can adjust.
2.What is your delivery time?
It depends on order quantity, usually we will arrange shipment within 3-20days.
3.How about packing?
Usually we provide packing as 25kg/bag or carton. Of course, if you have special requirment for packing, we will adjust according to you.
4.When can I get reply?
Our sales manager will contact you within 24hours.
5.How about the validity of products?
According to the products you order, usually 2 years.
6.What documents do you provide?
Usually we provide Commercial Invioce, Packing List, Bill of Loding, COA, Healthy Certificate and Original Certificate,etc. If there are any special requierments in your market, please let us know.
7.Can I get sample before order?
Yes, we can provide free sample once price is agreed, and you have to pay us delivery fee in advance.
8.Where is your loading port?
Usually QINGDAO port.