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Description
Daubert Cromwell Nox Rust® 1200DC | Pipeline Corrosion Protection | 5 Gallon / 19ltr Pail Drums | Preserves Tubes, Vessels & Pipe Systems | Suitable for Hydrostatic TestingNox Rust 1200DC: Product Overview & Specifications Nox Rust 1200DC is a specialized, silica free water solution engineered to prevent corrosion on the internal surfaces of critical equipment like boilers, tanks, turbines, and piping systems. It is particularly effective for protecting ferrous metals and remains compatible with copper and galvanized steel components. Core Functional Overview This liquid inhibitor is designed for use during equipment
Nox-Rust® 1200DC: Product Overview & Specifications
Nox-Rust 1200DC is a specialized, silica-free water solution engineered to prevent corrosion on the internal surfaces of critical equipment like boilers, tanks, turbines, and piping systems. It is particularly effective for protecting ferrous metals and remains compatible with copper and galvanized steel components.
Core Functional Overview
This liquid inhibitor is designed for use during equipment lay-up, storage, or after hydrostatic testing. It works by protecting metal surfaces in both the contact and vapor phases, ensuring that even hard-to-reach voids are reached by the protective chemistry. Because it is odorless and typically leaves no buildup, it generally does not need to be removed before restarting equipment.
Key Features & Benefits
Environmentally Conscious: The formula is phosphate-free, nitrite-free, and contains no heavy metals.
- Versatile Application: Can be applied via fogging, spraying, or pouring directly into system voids.
- Replacement Strategy: Designed to replace more cumbersome or costly methods such as nitrogen blankets, desiccants, or hydrocarbon-based liquids.
- Simplified Removal: If removal is required for specific processes, the product is completely water-soluble and can be cleared with a simple cold-water flush
Application Guidelines
- Dilution: For standard aqueous solutions, dilute with potable water at a ratio of 1:10 to 1:5 (inhibitor to water).
- Hydrostatic Testing: Add to test water at a 1:10 ratio; while the system should be drained afterward, it does not need to be dried as long as it is sealed.
- Protection Duration: Standard protection lasts up to 6 months; for long-term requirements, a 1:5 dilution is recommended.
Technical Specifications
The following table outlines the typical physical properties of the liquid:
| Property | Value/Description |
| Physical State |
Clear to tinted liquid |
| Specific Gravity |
1.2 g/mL @ 25° C
|
| pH (1% solution) |
7–9
|
| Viscosity |
Similar to water
|
| Flash Point |
None
|
| Pour Point |
-23°C (-10°F)
|
| Coverage |
~19.6 sq. meters/liter (800 sq. ft./gal) at 50 micron wet |
Product Specifications (.PDF)
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|
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Excellent Car Sound Deadening and Heat Insulation Solution
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
If you're looking for a high-quality car sound deadening and heat insulation material, then the Siless Liner 157 (4 mm) mil 36 sqft is definitely worth considering. This product is designed to offer superior noise reduction and heat insulation for your car, making your driving experience more comfortable and enjoyable.
The closed-cell foam material used in this product is of premium quality, and it effectively blocks out external noise and vibrations. This means you can enjoy a quieter and more peaceful ride, even on noisy roads. In addition, the Siless Liner 157 also provides excellent heat insulation, which can help keep your car cooler in hot weather.
One of the best things about this product is that it's very easy to install. You don't need any special tools or equipment, and the material can be easily cut to fit any shape or size. It's also very lightweight and flexible, which makes it easy to work with.
Overall, the Siless Liner 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat is an excellent choice for anyone looking to improve the comfort and performance of their car. It's a high-quality product that delivers on its promises, and it's definitely worth the investment.
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Reviewed in the United States on March 12, 2023
★★★★★ 4
Heavy-Duty That Works!
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
This extreme sound deadening mat performs well for reducing road noise and vibration. It feels dense and adheres securely when properly applied. Once installed, it noticeably improves interior quietness.
Overall, it’s a strong choice for more serious sound insulation projects.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Good product, quite sticky I must say.
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Worked for my van insulation
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Good stuff
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Good stuff, easy to use, self adhesive backing contours around curves easily and works great.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Works amazingly, but only if you install it correctly.
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
If you purchasing Siless Liner 157 mil (4 mm) Sound Deadening mat, to block unwanted sounds in your car, this is what you need to buy. But wait! It's not the only thing you need to buy if you want to "actually" deaden sound.
By itself, it will definitely block a noticeable amount of sound, and, most likely, that's all you realistically need. But... But... If you want the Siless Liner Sound Deadening Mat to really help you take it up a few notches, to get the best sound almost bordering on soundproofing, listen up.
You will have to install traditional butyl rubber first. Doesn't have to be the Siless brand, but I'm sure they would love to sell both to you, I used both Killmat (80mil) and Noico (50mil).
I have a Honda S2000. It's a two-seater convertible sports car if you don't know what this car is, and it's loud when I'm driving above 60mph. I also happen to have a sound system installed as well. Other than that, the car is stock. I first installed the butyl rubber on the car's interior sheet metal. I went all out and covered everything I could. I didn't need to but I wanted to. I was extremely impressed with the results. But I wanted to go further. Not because I needed to but because just wanted to see what it would be like.
So I bought Siless Liner 157 mil (4 mm) 36sqft Sound Deadening mat to go on top of the butyl rubber mats. I put this over every area I installed the butyl rubber. I had to be careful of clearance issues since I added a significant amount of underlayment, and you should too.
If you put butyl rubber sound-deadening materials in 50% of the total interior area, you'll hear a noticeable improvement. If you put butyl in about 80% of the total area, you'll be even more amazed at the improvement, compared to before.
I originally did all the above myself, so that's my experience and so your mileage may vary.
I then installed the Siless Liner Sound Deadening mat over every place I could even going further than I could with the butyl rubber. I used the Siles Liner in areas where butyl rubber would not have been effective, such as the roll bar hoop area and large empty cavities or holes.
I covered everything I could, firewall, doors, floor pan, transmission tunnel, trunk, trunk lid, fuel tank area, rear quarter panels, and rear-wheel tunnels, in Siless Liner Sound Deadening Mat.
WOW!! The Siless Liner Sound Deadening Mat was the icing on the cake! Let's not forget, this car is a convertible sports car so it will never be a quiet ride, ever. But I can now actually have a conversation with a passenger at a normal-ish volume! This also means I can now have a normal hands-free phone call without having to plug one ear to block out the noise! My sound system sounds so much better! Just by going through the install process, I looked for any vibration, rattle, squeak, and noise-prone areas to either eliminate or reduce unwanted noise production. If you forget this step, the inside and outside of your car will rattle and buzz. I skipped this step the first time around. But did it right before I installed more butyl rubber and the improvement was impressive, especially inside the car. Outside the car, I didn't notice a difference until I put the last layer of Siless Liner Sound Deadening Mat. The sound deadening mat works both ways from what I can tell. If I turned up my music, as loud as I occasionally do, parked in the attached garage to the house, with the garage door closed, I would be barely able to tell the car was playing music in the garage. It sounds like it is another car, just a little bit down the street, with a very loud base. If you stand 20 feet away outside the car, the sound system is noticeable, but not obnoxious by a long shot.
Get a 3 piece wood/metal roller set as well, which makes quick work of large areas.
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Reviewed in the United States on December 23, 2021
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