Categories
Categories
| Price: | US $ 1100-1300/Ton |
|---|---|
| Min Order: | 5/Ton |
| Pay Type: | L/C,T/T,D/P,Western Union,Paypal |
| Prod Model: | sodium hydrosulfite |
|---|---|
| Purity: | 85%/88%/90% |
| Color: | White |
| CAS No.: | 7775-14-6 |
| Einecs No.: | 231-890-0 |
| Grade Standard: | Industrial Grade |
| Application: | Textile Industry |
| Usage: | Textile |
| Colour: | White |
| Appearance: | White Free-Flow Crystal Powder, Powder |
| Application Material: | Sodium Hydrosulfite |
| Name: | Sodium Hydrosulfite |
| Content: | 85%/88%/90% |
| C.I.No.: | Sodium Hydrosulfite |
1. Why choose us?
1) Mixed container service
2) Packing: Your label design according to your requirements ready in one day
3) Experience: 14 years OEM experience
4) Goods are sold with return or refund guarantee due to quality issue
5) Prompt shipment by reputed shipping line and professional documents
6) Cargoes photo before and after loading into container after shipment with email
7) Quality control
8) Your inquiry will be replied to within 30 minutes
Specifications
Sodium Hydrosulphite is widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping etc.
Product Name: Sodium Hydrosulphite 85%
Formula: Na2S2O4
Molecular Weight: 174.11
Description: White Free-flow Crystal Powder
Specifications:
INDEX | 90% | 88% | 85% | FOOD ADDITIVE |
Na2S2O4 | ≥90% | ≥88% | ≥85% | ≥85% |
Fe | ≤20ppm | ≤20ppm | ≤20ppm | ≤20ppm |
Zinc(Zn) | ≤1ppm | ≤1ppm | ≤1ppm | ≤1ppm |
Other heavy metal | ≤1ppm | ≤1ppm | ≤1ppm | ≤1ppm |
Water Insolubles | ≤0.05% | ≤0.05% | ≤0.05% | ≤0.05% |
Shelf Life(month) | 12 | 12 | 12 | 12 |
Analysis report:
ITEM | 90% | 88% | 85% | FOOD ADDITIVE |
Na2S2O4 | 91.00% | 89.50% | 86.60% | 86.96% |
Na2S2O5 | 6.39% | 6.64% | 6.82% | 6.54% |
Na2CO3 | 1.10% | 2.50% | 5.70% | 5.58% |
Na2S2O3 | 0.18% | 0.20% | 0.41% | 0.38% |
Na2SO3 | 0.22% | 0.21% | 0.32% | 0.36% |
Fe | 14ppm | 15ppm | 16ppm | 11ppm |
Water Insolubles | 0.05% | 0.04% | 0.04% | 0.01% |
Package: 50kg iron drums with double inner polybags.
Usage:
1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. It is also used in bleaching paper pulps , especially mechanical pulps, it's the most fittable bleaching agent in pulps.
3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products,
4. It is used in mineral, the compound of thiourea and other sulphides.
5. It is used as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.
Q1: Can I visit your company?
Yes, welcome to visit our company and inform us in advance.
Q2: Can you send a sample for our reference?
Of course. Sample can be sent on your request, by the way, trial order is available.
Q3: Will you protect the development for barnd company?
All the development for the brands we will not share with other customers without permission to secure the benefits of brand buyer.
Q4: What is the payment item?
T/T or L/C at sight is acceptable, and other payments are negotiable.
Q5. What"s the lead time of each order?
In general, lead time for lab dips is 2-3 days and lead time for bulk production is 7-15days after all details confirmation.
Q6.How to confirm the quality with us before start to produce?
(1)You can get samples choose among it , then we make the quality according to that.
(2)Send us your sample, and we make the product according to your quality.
Welcome to your business!!!
