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Below you will find answers to some of the most frequently asked questions about our stainless steel passivation, derouging, and chemical cleaning services. We have grouped these common questions by industry, so you can quickly find the informative answers you need. If your question is not covered here, our team will be glad to help.
FAQs - Pharma & Medical
How long do your chemical cleaning processes take?
The process can be completed quickly, within two to five days, depending on the size of your system.
As many variables apply, please contact us to discuss your requirements and receive a more accurate estimate.
Do you have the chemicals in stock?
We keep all the chemicals needed for effective derouging, passivation, and biofilm removal in stock. This means we can respond quickly to protect your equipment, rather than keeping you waiting for weeks.
What chemicals do you use?
Our chemicals are chosen to meet the criteria set out in various industry-recognised specifications.
In the main, they are proprietary blended products. They are produced by companies that specialise in the pharma industry (Steris and Ateco-Tobler) in cGMP-compliant manufacturing facilities.
What standards do you comply with?
We recognise the importance of compliance with regulatory bodies such as the MHRA and FDA.
Our chemical cleaning processes adhere to stringent guidelines, ensuring product safety and quality control to meet all current regulatory requirements, including ASME BPE and ASTM A967.
What is the cost of the processes?
The process varies according to the scale and scope of each project. We will be pleased to offer you a free, no-obligation quotation tailored to your needs, so simply call us to find out more.
FAQs - Food And Beverage
Is this necessary for my business's equipment?
Yes, passivation and derouging are essential for equipment longevity, cleanliness, and hygiene compliance in food and beverage production.
Without professional chemical cleaning, your equipment becomes vulnerable to premature corrosion and harder to clean.
How often should I get this done?
To maintain optimal corrosion resistance, stainless steel exposed to aggressive media should be re-passivated every one to two years.
Metal components that are often exposed to high temperatures or physical damage may need to be treated more often to prevent corrosion.
Derouging may be required if corrosion or surface contamination develops in the interim period.
What methods and chemicals do you use in the passivation and derouging process?
We use methods and chemicals that are proven to be safe and effective in food and beverage production. They are non-toxic, environmentally friendly, and entirely safe for use in the industry.
How long will the process take? How much downtime will this require?
The passivation and derouging process can be completed in as little as a couple of days, depending on the size of the system.
We will work with you to minimise downtime and keep your operations running as near to normal as possible.
How much does passivation and derouging cost?
The cost of the process depends entirely on the size and scope of the system. You can be confident, though, that you will benefit from a healthy return on investment.
FAQs - Power Generation
What kind of chemicals are used?
Our chemicals are chosen to conform with recognised specifications, such as ASTM A380 and BSRIA BG-29.
In the main, they are selected to remove the offending contaminant effectively.
Highly formulated degreasers are used to clean oxygen systems.
Various inhibited acids tend to be used when removing scale.
Wherever possible, we choose pH-neutral, non-hazardous chemicals to minimise risk to your plant, our operatives and the environment.
What are the environmental and safety implications of these processes?
Wherever possible, we minimise the environmental impact by using chemicals that are known to be non-hazardous and can be easily collected and disposed of.
Where this is not an option (with stainless steel pickling, for example), our highly trained operatives use carefully controlled processes. This ensures that all legislative and client safety requirements are strictly adhered to.
At INOX Passivation, we also fully comply with the globally recognised ASTM regulations, giving you peace of mind about the quality of our services.
How often should these processes be performed on our equipment?
Chemical cleaning in the power generation industry is best performed as part of a planned programme of preventive maintenance. The right frequency depends on equipment usage and industry standards.
As every application is different, we can provide specialist advice to ensure your equipment is fully protected from degradation.
How long will the process take? How much downtime will this require?
The passivation and derouging process can be completed in as little as a couple of days, depending on the size of the system.
We will work with you to minimise downtime and keep your business operating as near to normal as possible.
What kind of downtime is involved?
Most chemical cleaning activities can be completed within two to five days, depending on the size and complexity of the system. We would be pleased to offer a more accurate timescale, so please get in touch with our team.
How much does this service cost?
For a free, no-obligation bespoke quotation, simply call our team today.
Speak To An Expert
Submit A Question Or Enquiry And Speak To One Of Our Experts To Find Out More!
Submit an enquiry with your question to give us a brief or to request a call back from one of our experts.
When you get in touch with INOX:
We will contact you back as soon as we are able to
We will always aim to provide 'best advice' for your business
We offer a free initial consultation
Your information is treated in the strictest confidence
You can ask us for advice or help on any or all of the following:
- Passivation
- Derouging
- Oxygen Cleaning
- Biofilm Removal
- Riboflavin Testing
- Pre-Commissioning Flushing
- Carbon Steel Pickling
Simply confirm your details on the form provided, and we will be in touch ASAP. We look forward to hearing from you!
From Our Blog
Why Citric Acid Is Used For Passivation of Stainless Steel
The Benefits Of Chemical Cleaning For Stainless Steel Equipment
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