Frequently Asked Questions

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FAQs - Pharma & Medical

How long does your chemical cleaning processes take?

The processes can be completed quickly, within two to five days depending on the size of the
system. However, there are many variables to consider so contact us to discuss your business’s
requirements and we’ll be able to give you 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, so we can provide a fast response 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 the various industry recognised
specifications. In the main, they are proprietary blended products, produced by companies who
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?

As the process varies according to the scale and scope of each project, we will be pleased to offer
you a free, no-obligation quotation that is tailored to your needs. Simply call us to find out more.

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.

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FAQs - Food And Beverage

Is this necessary for my business’s equipment?

Yes, passivation and derouging are essential for ensuring equipment longevity, cleanliness, and
compliance with hygiene standards in food and beverage production. Without professional
chemical cleaning of your equipment, it will be vulnerable to premature corrosion and will be
harder to clean.

How often should I get this done?

To ensure that your equipment maintains its optimal corrosion resistance, stainless steel that is exposed to aggressive mediashould be re-passivated every one to two years. However, 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, being 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 ensure that your business operations can operate 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, but you can be
confident that you will benefit from a healthy return on investment.

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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, etc. In the main, they are selected to effectively remove the offending contaminant. Highly formulated degreasers are used to clean oxygen systems. Various inhibited acids tend to be used when removing scale. Wherever possible, we chose pH neutral and 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 will minimise the environmental impact by using chemicals which 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 to ensure that all legislative and client safety requirements are strictly adhered to. At INOX Passivation, we also fully comply with the globally recognised ASTM regulations to give 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 and depends on equipment usage and industry standards. As every application is different, we can provide you with 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 ensure that your business operations can operate as near to normal as possible.

What kind of downtime is involved?

Most chemical cleaning activities can often be completed from two to five days, depending on the size and complexity of the system. We’ll be pleased to offer you 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.

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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'll contact you back as soon as we are able to
  We'll 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'll be in touch ASAP. We look forward to hearing from you!

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