Professional Zinc Alloy Surface Finishing Solutions
Sulfuric Acid
Sulfuric Acid
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Estimated Delivery:Oct 02 - Oct 06
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Free Shipping & Returns: On all orders over $75
Product description
Shipping & Return
Product Overview
Sulfuric Acid is a professional acid & solvent supplied by QLQ for zipper, hardware and metal-finishing plants. Standard packing: 50KG/DRUM. Regular supply for customers in Bangladesh, Pakistan, India and other markets, with export-standard packing and documentation.
Product Identity (Encyclopaedia Card)
| Property | Value |
|---|---|
| Chemical name | Sulfuric Acid |
| Chemical formula | H2SO4 |
| CAS number | 7664-93-9 |
| Appearance | Colourless oily liquid, dense |
| Grade / type | 98% technical grade |
| Standard packing | 25-50 kg steel or fibre drum, palletised for export |
What it is and what it does. Sulfuric acid is the conducting acid of the acid copper, acid tin and anodising electrolytes, and the pickling acid that removes rust and scale from steel before plating.
- Supplied as a 98% dense colourless oily liquid; it is diluted slowly into water, never the reverse.
- In acid copper it is the conductive medium and it also prevents the copper from hydrolysing.
- As a pickle on steel it is normally used at 5-20% at 60-80 C, often with an inhibitor.
Typical Use in a Plating / Finishing Line
| Item | Typical guidance |
|---|---|
| Acid copper bath | 40-60 g/L H2SO4 with 200-250 g/L copper sulfate |
| Acid tin bath | 60-100 g/L |
| Steel pickling | 5-20% at 60-80 C with an inhibitor |
| Analysis | Titration with sodium hydroxide; dilution is strongly exothermic |
Safety, Handling & Storage
| Item | Requirement |
|---|---|
| Hazard classification | Corrosive (GHS05) — causes severe skin burns and eye damage |
| Personal protective equipment | Face shield + chemical goggles, acid-resistant gloves (nitrile/PVC), rubber apron and boots; local exhaust ventilation |
| Spill / first aid | Neutralise carefully with sodium carbonate or lime, then collect with inert absorbent; never add water to the concentrate |
| Storage | Store in original HDPE/PP containers, upright, in a cool ventilated area away from alkalis, cyanides, oxidisers and metals; bunded floor recommended |
| Transport | Classified and packed according to IATA/IMDG for the hazard class; UN number and packing group stated on the shipping documents |
Quality Documents Shipped With Every Batch
| Document | Comment |
|---|---|
| COA (certificate of analysis) | Provided with the shipment; batch traceable to the production date |
| MSDS (safety data sheet) | Provided with the shipment; batch traceable to the production date |
| Packing list | Provided with the shipment; batch traceable to the production date |
| Commercial invoice | Provided with the shipment; batch traceable to the production date |
| Certificate of origin on request | Provided with the shipment; batch traceable to the production date |
Buyer Questions We Answer Every Week
| Question | Answer |
|---|---|
| Why is dilution done slowly? | Because it is highly exothermic and can boil or spatter; always add acid to water with agitation. |
| How do I neutralise a spill? | With sodium carbonate, lime or an approved neutraliser, then collect and treat the residue. |
| Product Name | Sulfuric Acid |
| Category | Acid & Solvent |
| Standard Packing | 50KG/DRUM |
| Net Weight | 50 KG per drum |
| Appearance | Clear to pale yellow liquid |
| MOQ | 1 drum / 1 bag |
| Delivery | 7-15 days after payment confirmation |
Key Specifications
| Item | Value |
|---|---|
| Purity / Assay | Industrial grade, COA available on request |
| Packaging Material | Plastic drum, sealed |
| Shelf Life | 12 months in sealed original packing |
| Origin | China |
| Documents | COA, MSDS, packing list, commercial invoice |
Packing & Storage
| Condition | Requirement |
|---|---|
| Temperature | 5-35 °C, away from direct sunlight |
| Humidity | Dry, ventilated warehouse; keep sealed against moisture |
| Stacking | Max 4 layers for drums, follow pallet markings for bags |
| Shelf Check | FEFO - first expired, first out |
Precautions
- Wear chemical-resistant gloves and safety goggles when handling
- Read MSDS before first use; keep away from incompatible materials
- Spill: collect with inert absorbent, do not wash into drains
- Store locked, out of reach of untrained personnel
FAQ
| Question | Answer |
|---|---|
| Can you provide COA / MSDS? | Yes, COA and MSDS are provided with every shipment. |
| What is the MOQ? | MOQ is 1 bag / 1 drum. Mixed loading of different chemicals is accepted. |
| Do you provide dosing guidance? | Yes, QLQ engineers provide free bath set-up and dosing consultation based on Hull-cell results. |
| How about shipping? | 7-15 days by sea or air depending on quantity and destination port. |
Related Reading
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