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OB-OMEGABOND-AIR-SET
Ciments haute température à prise dans l'air
Modèles en stock
- Thermiquement conducteur
- Résistant aux chocs thermiques
- Isolant électrique
- Résiste aux huiles, aux solvants et à la plupart des acides
OB-OMEGABOND-AIR-SET
À partir de
C$
106.09
Modèles en stock
Aperçu du produit
- Rigidité diélectrique Remarque Résistance diélectrique à 20 °C : 12,5 à 51,0 V/mil ; Résistance diélectrique à 400 °C : ≤15 V/mil ; Résistance diélectrique à 795 °C : ≤1,3 V/mil
- ID de série OB-OMEGABOND-AIR-SET
Les ciments à prise à l'air durcissent ou sèchent par perte d'humidité par évaporation. Les conditions atmosphériques ont donc une incidence sur la vitesse de séchage. Les ciments à prise à l'air sont principalement utilisés dans les applications à couche mince (épaisseur inférieure à 1/4")*.
CRITÈRES DE SÉLECTION DES CIMENTS
1. Type d'application † " Enrobage, scellement, encapsulation, assemblage, collage. Faut-il une couche épaisse ou fine de ciment ? Cela détermine s'il faut utiliser un ciment à prise à l'air ou à prise chimique.
2. Considérations thermiques † " Quelle est la température maximale que le ciment doit supporter ? Quel degré de conductivité thermique est nécessaire ? Quel degré de dilatation thermique est autorisé ? Ces paramètres sont ensuite mis en correspondance avec le ciment approprié.
3. Substrat † " Avec quels matériaux le ciment sera-t-il en contact ?
4. Considérations relatives à l'application † " Durée de vie en pot, temps de prise, méthode de distribution, taille des lots, procédure de durcissement.
5. Considérations diverses † " Porosité, absorption d'humidité, résistance électrique, stabilité volumique, jeux/tolérances.
CRITÈRES DE SÉLECTION DES CIMENTS
1. Type d'application † " Enrobage, scellement, encapsulation, assemblage, collage. Faut-il une couche épaisse ou fine de ciment ? Cela détermine s'il faut utiliser un ciment à prise à l'air ou à prise chimique.
2. Considérations thermiques † " Quelle est la température maximale que le ciment doit supporter ? Quel degré de conductivité thermique est nécessaire ? Quel degré de dilatation thermique est autorisé ? Ces paramètres sont ensuite mis en correspondance avec le ciment approprié.
3. Substrat † " Avec quels matériaux le ciment sera-t-il en contact ?
4. Considérations relatives à l'application † " Durée de vie en pot, temps de prise, méthode de distribution, taille des lots, procédure de durcissement.
5. Considérations diverses † " Porosité, absorption d'humidité, résistance électrique, stabilité volumique, jeux/tolérances.
PDF & Manuels
Afficher les évaluations et les avis
Rated 1 out of
5
by
Bree from
Doesn't bond to Ready-Made Thermocouples
For whatever reason this stuff does not bond to the Ready-Made ThermoCouples. It bonds to metal just fine.
Forwarded concerns on this issue.
"There are only a few possibilities – The mixture is not correct; the curing time is not sufficient or there has not been enough applied. An outside possibility is the material is no longer viable" ?????
"We let it sit over the weekend. It seems to have set up good. There was some left over in the cap we mixed it in and it was hard as a rock. It just isn’t bonding to the wire. There was plenty applied.
Material is not viable as in the bonding agent is possibly bad? Sticker on it says use before 3/2018"
No response after that...... Had to figure something else out.
Date published: 2017-06-02
Rated 1 out of
5
by
Ryan Essenmacher from
Issues with mixing and curing.
Unclear mixing instructions, susceptible to oil even at low temperatures (40°C), and doesn't like to stick to Kapton surface mount thermocouples. You need to apply pressure during the cure and rough up the surface for any hope for it to bond to the Kapton surface mount thermalcouples. I won't be purchasing this 1 part cement again, going with a 2 part for hopefully better results.
Date published: 2024-07-23
Rated 5 out of
5
by
Devin H from
Amazing product!
I am using this to attach an aluminum heat sink to an IC on some circuitboards. The thermal conductivity is amazing. It performs just as good as a high quality thermal epoxy, but it's easier to work with. I followed the instructions in the data sheet and it becomes rock hard when fully cured.
Date published: 2023-11-20
Rated 1 out of
5
by
Manu khod from
Doesn't work at high temperatures
I had bought OB700 and OB400 and they are claimed to be working at high temperatures.
Unfortunately, they are a waste at high temperatures (500-600C) and lose strength like anything. As soon as i bring them to room temperature, they offer some strength.
Clearly, they are not high-temperature cements. They are just regular ceramic powder grounded.
Date published: 2022-01-17
The inst. for using OB300 specifies three steps for "optimal performance". 1. Dry18-24h RT. Is there benefit of 24 vs 18? 2. What is benefit of 4h 82C? 3. What is benefit of 4h 105C?
Hi LouisL,
Thank you for the inquiry. These are described as additional steps after room temperature curing. And for cases where cement is to be exposed to elevated temperatures above ambient. The additional steps help prevent flaking and chipping.
Best regards
OMEGA
Date published: 2023-04-28
I am looking at sticking a thermocouple to a kapton heater. Will Omegabond 300, 400 or 500 stick to that material?
Our Omegabond 400 would be best as it has the highest thermal conductivity.
Date published: 2021-08-28
I want to seal an end of a stainless steel tubing, with this product additionally the product should withstand when the tube is at 600 degrees Celsius and at 3-4 bars pressure. Will this product be suitable?
The OB-300 maximum service temperature is 982C so that is fine. We do not put any pressure specifications for a seal so that would have to be tested in the customers application to see if it works.
Date published: 2024-11-23
I need to measure the temperature of a metallic piece that is subjected to flame, I usually resistance weld the TC wire to the piece but I find it somewhat inconsistent. Can I use OB-400 to adhere the TC wire sensor to the desired part?
Thank you for your inquiry. We believe the best assistance would come from speaking to us directly at 888-826-6342 ask for the Temperature Department Mon. – Fri. (HOURS 8:30AM - 5:00PM EST).
Date published: 2025-11-05
I'm wondering what the thermal conductivity of Omegabond 500 is. I can't find it in the datasheet.
Thank you for your inquiry. The OB-500 has an undefined thermal conductivity.
Date published: 2021-08-27
I want to put smaller rock on the harth of my fire place will this product work for this
The material would hold a small object provided it would not be exposed to temperatures above the maximum rating.
Date published: 2021-08-28