Zinc Sulphate Heptahydrate For Cooling Water System 99% Crystal NW281 New Agri

Breif Introduction

Product Name:Zinc Sulphate Heptahydrate

CAS No:7746-20-0

Formula:ZnSO4.7H2O

Assay:≥99%

Zn:≥22.51%

Insoluble matter:≤0.02%

Application

In cooling water system, zinc sulphate heptahydrate zinc salt is the most commonly used cathodic corrosion inhibitor, and zinc ion is the main corrosion inhibitor. But should not be used alone, but with polyphosphate, organophosphate, polyol phosphate ester, molybdate compound synergistic effect, and can reduce their dosage. The normal dosage of zinc ion in composite corrosion inhibitor is 2 ~ 4mg/L. With the increase of zinc salt dosage, the corrosion rate decreases, but when the concentration exceeds a certain level, the zinc ion dosage continues to increase, and the influence on the corrosion rate is not obvious, but will increase the operation cost and the concentration of zinc ion in sewage water.

Packing

It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag usually is 25kg.

Factory

Production capacity:100tons/day

Transport

Delivery time : 15days more or less after the order confirmed.

Why do you choose us ?

1.High Quality products

(1)Our products are packed inside and outside with good sealing.

(2)We control our qualiy by the factory testing department. We also can do CCIC, SGS or any other Third-party testing.

(3)We could offer the sample for free charge but do not pay the cost of freight.

2.High level service

Our key staff have more than ten year's work erperience.We are very familiar with import and export operation on different kinds of products; concrete procedure for agency buy and sell; business reception and translation,etc.We could meet various kinds of client’s demands.

FAQ

1.Can I order samples to test?

Yes.You are welcome to order sample before placing bulk order.We will send the samples directly to your door by courier.

2.How does your factory do regarding QC (quality control) ?

Quality is priority, we always attach great importance to quality controlling from the beginning to the end.

3.Is it possible to custom the labels with my own design?

Yes,and you just need to send us your drawings or artworks,then you can get you want.

4.Do you export Globally?

Yes.We can export anywhere globally.