leather tanning red/yellow flakes 30-1500ppm sodium sulfide/sodium sulphide

china supplier sodium sulfide/sulphide 60% red or yellow flakes 

FORMULA:NA2S 

UN NO:1849

APPEARANCE:red or yellow flakes

PURITY:60% 

APPLICATION:in leather tanner,as reducing agent

PROPERTY:soluble in water,presenting strong alkaline solution,easily oxidized when exposed to air

Parameters

Sodium sulphide appearence is depending on Fe content,150PPM above is red flakes.

PACKING

IN  25kg bags lined with pE .

red flakes 25MT without pallets in 20FCL

yellow flakes 22MT without pallets in 20FCL

ZIBO aiheng new material corp of china specialize in this field with 8 years experience, with the guaranteed quality and pretty competitive price. 

We can do our best to provide service for you,and let the customers not be worrying about the quality and delivery.

If any product meet your demand,pls feel free to contact us.

Q1.Are you a factory or trading company?
A:Yes,we are factory,but not just a factory,as we have sales team,own designers,own showroom ,can help buyers to decide which products are their best choice,and all your inquiry will be replyed within 24 hours.
Q2:Could you send me all your catalogues and price list?
A:As we have more than thousands of items,even 1 item have different size and package,it is really too hard for us to send you all our catalogue and price list for you.Please inform me the items,size and packages you interested in ,so we can offer you the price list you want for your reference .
Q3.How can I get some samples?
Kindly send us your address, we are honored to offer you samples.
Q4. How does your factory do regarding quality control?
Our factory has gained ISO9001 2008 and REACH
Q5:What's your Delivery Time?
In generally, the delivery time is 35 days-40 days.We will make the delivery as soon as possible with the guaranted quality.
Q6:What is the convenient way to pay?
A:L/C , T/T ,Paypal, Western Union and Escrow are accepted,and if you have better idea , please feel free to share with us
Q7:Which mode of transport would be better?
In general,we advice to make delivery by sea which is cheap and safe.Also we respect your views of other transportation as well.