Professional Zinc Alloy Surface Finishing Solutions
Hydrochloric Acid
Hydrochloric 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
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Product Overview
Hydrochloric Acid is a professional acid & solvent supplied by QLQ for zipper, hardware and metal-finishing plants. Standard packing: Standard export packing. 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 | Hydrochloric Acid |
| Chemical formula | HCl |
| CAS number | 7647-01-0 |
| Appearance | Colourless to pale yellow liquid |
| Grade / type | 31-33% technical grade |
| Standard packing | 25-50 kg steel or fibre drum, palletised for export |
What it is and what it does. Hydrochloric acid is the pickling and activation acid of the plating line - it removes rust and scale from steel and activates nickel, zinc and steel surfaces immediately before plating.
- Supplied as a 31-33% solution; the industrial grade has a pale yellow tint from traces of iron, which does not affect pickling.
- It is the acid normally used for the acid dip between the alkaline clean and the plating tank, at 5-10% at room temperature.
- Chloride carry-over into the nickel tank causes pitting, so the rinse after the acid dip must be effective.
Typical Use in a Plating / Finishing Line
| Item | Typical guidance |
|---|---|
| Acid dip / activation | 5-10% v/v at room temperature for 30-60 seconds |
| Steel pickling | 15-30% at room temperature with an inhibitor |
| Analysis | Titration with sodium hydroxide; iron by titration or AAS |
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 does the pickling rate slow down? | Iron build-up and acid depletion; dump part of the bath and replenish when the iron exceeds the working limit. |
| Which inhibitor should I use? | A pickling inhibitor designed for hydrochloric acid; it also reduces the hydrogen embrittlement risk on high-strength steel. |
| Product Name | Hydrochloric Acid |
| Category | Acid & Solvent |
| Standard Packing | Standard export packing |
| Net Weight | 25 KG per bag |
| 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 | Woven bag with PE liner |
| 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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