vci chemical powder

vci chemical powder       How VCI powder works: China hot sale anti rust chemical VCI powder ,  a kind of water soluble antirust powder that may be used in both dry process and wet process. It is mainly applied to corrosion-inhibiting treatment for internal surfaces of depression, hollow or cavity of metal articles. Fantastic antirust effect can be obtained by applying dry VCI powder in a confined space. With gasification, VCI adheres to metal surfaces to form a compact protection film which plays a role of antirust. In the manufacture industry of pressure vessel such as boiler, VCI powder mixed with water is often used for hydrostatic test.

Product details
Name	VCI Powder (VCI antirust powder)
Code	Rvci-408, Rvci-409
Materials	VCI+additives
Usage	Antirust chemicals for metals
In bag	2.5g, 5g, 10g, 20g, 50g, 100g
In bulk	20kg/drum
Purity	99.6%
Smell	Slightly
Rustproof life	Above 2 years (use according to request)
Package	Standard export package or as customer’s requirement
Purchase info
MOQ	Negotiable
Delivery	7~10day after get your payment
Payment terms	T/T, L/C or western union
Price terms	FOB Shanghai, EXW, CIF

        Features/Advantages: 1. The VCI powder is especially applicable to the internal surface antirust of a confined space of the articles for antirust, including the articles cavity, hollow, curved faces, etc. 2. The continuous antirust effects remain if the confined space is enclosed after being opened. 3. After the articles for antirust are pun into the next procedure, the powder may be used without surface pretreatment. 4. No dirty marks will be left after the powder is applied, and it is easy to be removed by compressed air or cleaned by water. 5. The powder contains no silicones, phosphate and heavy metals, being safe to environment. It passes SGS certification and complies with RoHS directives.   Dosage 100g~130g/m3(According to customer's requirements)   Applicable Metals: It is applicable to ferrous metal, alloy steel, cast iron, copper, brass, bronze, plated metal, zinc and its alloy, chrome and its alloy, cadmium and its alloy, nickel and its alloy, tin and its alloy, aluminum and its alloy, and other metal materials and their products.   Application Methods: 1. Clean and dry the surfaces of the articles for antirust, without residual fragments, dirty marks and other filth left on them. 2. When applying loose powder in a dry process, evenly spray the powder on the surfaces of the articles for antirust with a low-pressure air hose or a sprayer without particularly concentrating on any side and the articles may be sealed after the operation is completed. 3. When applying loose powder in a wet process, prepare the powder into 1%-2% water solution, and then perform spraying, brushing, flushing or soaking procedures, and the articles may be sealed after the operation is completed. 4. When applying powder in bag in a dry process, place the powder bag within the distance where VCI is valid, and endeavor to place or suspend it in the upper space of the articles for antirust because the density of VCI antirust gas is larger than that of air. 5. Operate with clean gloves, and do not contact the articles for antirust with naked hands.   Custody and Storage: With sealed package, it shall be kept in a cool, dry place, away from sunshine and no contact with sources of ignition and corrosive materials. The quality guarantee period shall be twelve months from the date of delivery.   FAQ: 1) Why choose us? First, as a manufacture, we have competitive price and high-quality goods. Also, we have specialized in this area for about 11 years and owned high reputation from our customers.   2) What’s your trade terms? We usually do business based on EXW, FOB or CIF term. We accept T/T, West Union.30% deposit,70% balance paid before loading.   3) How can I get a sample to check your quality? After price confirmation, you can require for samples to check our quality. If you just need a blank sample to check the design and paper quality, we will provide you sample for free, as long as you afford the express freight.If your trial order meet our MOQ,we will return freight.   4) What is the shipping way we can use for our order? We can follow your advice if you have frequent cooperator on logistics. We suggest ocean shipping when deliver mass production and express like EMS,DHL,TNT etc. when sample order for your choices and reference.   5) What about the lead time for mass production? Honestly, it depends on the order quantity and the season you place the order. Generally speaking, we suggest that you start inquiry one months before the date you would like to get the products at your country.   Trading Process:   Factory and Office: