SKU: 20073061933

Belzona 2141 (D+A ACR) – Kavitationsschutz-Flüssigkeit, 750g

Sale price$217.50 Regular price$241.67
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Description

Belzona 2141 (D+A ACR) – Kavitationsschutz-Flüssigkeit, 750gSchutz gegen Kavitation und Hochgeschwindigkeits Erosion Belzona 2141 (ACR Fluid Elastomer) ist eine zweikomponentige, flssige Polyurethan Beschichtung, die speziell fr den Schutz von Oberflchen entwickelt wurde, die extremen Belastungen durch Kavitation und Erosion bei hohen Strmungsgeschwindigkeiten ausgesetzt sind. Dank seiner auergewhnlichen Flexibilitt (Dehnung bis zu 530 %) absorbiert das Material die Aufprallenergie von Flssigkeiten und

Schutz gegen Kavitation und Hochgeschwindigkeits-Erosion

Belzona 2141 (ACR-Fluid Elastomer) ist eine zweikomponentige, flüssige Polyurethan-Beschichtung, die speziell für den Schutz von Oberflächen entwickelt wurde, die extremen Belastungen durch Kavitation und Erosion bei hohen Strömungsgeschwindigkeiten ausgesetzt sind.

Dank seiner außergewöhnlichen Flexibilität (Dehnung bis zu 530 %) absorbiert das Material die Aufprallenergie von Flüssigkeiten und implodierenden Kavitationsblasen, wodurch das Metallsubstrat vor Materialausbrüchen geschützt wird. Es ist die ideale Wahl für Pumpenlaufräder und Wasserturbinen.


🌀
Anti-Kavitation
Absorbiert die Energie von Aufprall und Kavitationsblasen.

📏
Extrem flexibel
Dehnung bis zu 530 % ohne Rissbildung.

🖌️
Flüssige Beschichtung
Auftrag per Pinsel für eine glatte Schutzschicht.

Hauptmerkmale und Vorteile

Kavitationsschutz: Getestet nach ASTM D3623. Das Material wirkt wie ein „Stoßdämpfer“, der die Energie der auftreffenden Flüssigkeit reflektiert.

Hohe Elastizität: Ermöglicht es dem Material zu arbeiten, ohne sich bei Vibrationen oder Bewegungen des Untergrunds zu verformen.

Chemische und Korrosionsbeständigkeit: Schützt das Substrat vor Meerwasser, Kohlenwasserstoffen und industriellen Flüssigkeiten.

Universelle Anwendung: Geeignet für Metall- und Gummioberflächen (kann auch zur Überbeschichtung von altem Gummi verwendet werden).

Kurzanleitung zur Anwendung

1. Vorbereitung Oberfläche für maximale Haftung strahlen. Bei Gummi die Oberfläche anrauen.
2. Aktivierung Conditioner (Belzona 2911/2921) für die chemische Verbindung mit dem Untergrund auftragen.
3. Mischen Basis und Härter mischen. Das Material ist flüssig, mit einem harten Pinsel auftragen.
4. Aushärtung Handhabung nach ca. 12-24 Stunden möglich. Voller Kavitationsschutz nach vollständiger Aushärtung.

Typische Anwendungsbereiche

Wasserturbinen: Kaplan- und Francis-Turbinen – Schutz von Laufradschaufeln und Leitschaufeln vor Kavitation.

Schifffahrt: Schutz von Schiffspropellern, Kortdüsen und Rudern.

Pumpen: Kühlwasserpumpen-Laufräder, die unter Erosion leiden.

Dichtungen und Gussstücke: Herstellung von flexiblen Formteilen oder Dichtungen mit hoher Lebensdauer.

Technische Parameter Belzona 2141

Produkttyp: Polyurethan-Elastomer (Fluid)
Spezifische Eigenschaft: Kavitationsbeständigkeit
Dehnung: 530 %
Temperaturbereich: -40 °C bis +65 °C
Anwendung: Pinsel (Beschichtung)
Verpackung: Nach Angebot

 

Haben Sie Probleme mit Kavitation an Turbinen oder Pumpen? Belzona 2141 ist die Lösung.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
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SKU: 20073061933

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4.1 ★★★★★
Based on 16 reviews
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B
Verified Purchase
Brett Summers
Chelsea, US
★★★★★ 4
Great no-frills Bluetooth wireless headphones
Color: Blue
I did not read the description carefully. It states what devices these headphones are compatible with and "desktop computer" is not one of them. I called Sony and they told me they will work with almost any modern device that has Bluetooth connectivity. I easily wirelessly connected them to my desktop computer and they work great. Strangely the user guide gives instructions on how to use them with Mac and Windows computers, so read the user guide/manual that is linked in the description. If you want to use any of the functions of the Sony Headphones Connect app you will need a compatible phone. If you do not use the app (not compatible with computers) they function as a basic pair of wireless headphones. All rather confusing and the Amazon description does nothing to clear it up. With that being said I connected it easily to my desktop computer. I am no audiophile and do not need a $400 pair of headphones. To me they sound great especially for the inexpensive price. They are NOT noise cancelling headphones and I did not want noise cancelling. They are "on the ear" headphones meaning they are about the size of your ear and press your ears against your head creating a bit of a seal keeping some exterior noise out. Works fine, but if you wear eyeglasses and wear the glasses and the headphones at the same time after a few hours it can become uncomfortable as the headphones press your ear against the arm of the glasses and the arm of the glasses into the side of your head. The charging port on the headphones is USB C and they come with a USB A to USB C cable but no charging brick. I connected mine to my computer with a USB C to USB C cable and it charged fine. 50 hours of playtime on one charge is great. One star for a confusing and unclear Amazon description. 4 stars for a good basic pair of headphones that works with almost any modern Bluetooth device, albeit without the functions of the Sony app (unless you are using it with a compatible phone).
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Reviewed in the United States on December 12, 2025
L
Verified Purchase
Love_is_Love
Waukegan, US
★★★★★ 5
Lightweight, great sound and beautiful color.
Color: Cappuccino
I absolutely love these headphones. The color is great, they're lightweight, feel great on my ears and head. They're great quality and love that they twist down when testing then on my neck so they're not hitting my face. I would recommend this product!
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Reviewed in the United States on May 16, 2026
J
Verified Purchase
Jocelyn Solano
Omaha, US
★★★★★ 5
Good sound
Color: Cappuccino
Not super noise canceling but good quality charge last a very long time. Controls on the ear piece are a bit awkward to use.
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Reviewed in the United States on May 30, 2026
S
Verified Purchase
SG
Cuba, US
★★★★★ 5
Perfect for me!
Color: Black
Slim/lightweight. Comfortable fit. Good charge. Though my volume was on a 4 or 5 and when I took the headphones off I could hear my music a little. You can’t fold to close them like other styles but I can rotate the earmuffs to make them fit in my bag. Definitely a solid pair of wireless headphones for a good price!
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Reviewed in the United States on May 31, 2026
R
Verified Purchase
Reza
Grantham, US
★★★★★ 3
Good for quick music sessions, but disappointing for calls and comfort
Color: Black
Here are two updated versions of your review that incorporate the new details about quality, value, controls, and noise cancellation. Option 1: The "Pros & Cons" Breakdown (Highly Scannable) Headline: Great Battery and Sound, but Lacks Comfort and Effective Noise Isolation I’ve had a chance to test these thoroughly, and here is how they break down based on the key features: Quality & Controls: The build quality is good, and the controls are intuitive and easy to use. Battery: Excellent. It lasts a very long time on a single charge. Sound & Music: Very good for music listening, though the noise canceling is very bad. You will hear most of what is going on around you. Comfort: Not for long-term use. After a while, they cause noticeable pain on the ears. Call Quality: Quite bad. If you are doing any work or moving around, the person on the other end will be bothered by the background noise. Value for Money: Average. While the battery and music are highlights, the lack of comfort and poor mic quality make the price feel only "okay." Option 2: The Narrative Review (Best for Amazon's Algorithm) Headline: Good for quick music sessions, but disappointing for calls and comfort The Sony WH-CH520 is a solid device in terms of build quality and controls, and the battery life is truly impressive. If you just need a pair of headphones for short music sessions, these sound great. However, I found the value for money to be average due to a few major flaws. First, the comfort is lacking; they start to hurt my ears after wearing them for a short while. Second, the noise canceling is very poor—don't expect these to block out your environment. Finally, I do not recommend these for phone calls. The mic picks up way too much ambient noise, which makes it frustrating for the person you are talking to. Great for the battery and buttons, but not ideal for an all-day office or travel headset
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Reviewed in the United States on April 19, 2026

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