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OB-700
High Temperature Cements
Choose a Variant
Material Construction Option
Volume discounts available
Volume Discount Schedule
| Quantity | Price each |
|---|---|
| 1-4 | $65.15 |
| 5-9 | $61.89 |
| 10-24 | $60.59 |
| 25-49 | $57.98 |
| 50-99 | $56.68 |
| 100+ | $55.38 |
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Product Specs
<< See all Product Models| Brand |
 |
| Applications | Bonding, Coating, Sealing |
| Color | White |
| Features | Used on metals or other materials which have a high coefficient of thermal expansion; excellent bonding characteristics |
| Material Construction Option | Sealing Cement |
| Mechanical Strength Properties | ; Flexible Strength: 435 psi; Compressive Strength: 3500 psi |
| Mix Ratio By Weight | Mix 75 to 80% powder with 20 to 25% water by weight |
| Operating Temperature, Max | 871 °C |
| Thermal Conductivity | 4.5 to 5.9 BTU-in/h-ft2-°F |
| Thermal Expansion Coefficient | 12.4 x 10^-6 in/in/°F |
| Volume | 8 oz |
| Working Life | OMEGABOND 700R cures at room temperature with a chemical set action in 18 to 24-hr, cure time can be accelerated by low temperature oven drying at 82°C (180°F); if the cement is to be exposed to elevated temperatures, cure for 18 to 24-hr at ambient temperature, then oven dry for 4-hr at 82°C (180°F) and for an additional 4-hr at 105°C (220°F); this helps to prevent spilling. |
| See All Specs | |
PDFs & Manuals
Show Ratings & Reviews
Rated 4 out of
5
by
John1157 from
Good but has limitations you have to consider
Works well, good adhesion. The grain size is fairly large so it can’t get into very fine gaps. This cement destroys glass fiber insulation on thermocouple wires which I found out only by wrecking several new thermocouples. I wish Omega would have indicated that before I wasted the time and money.
Date published: 2017-11-03
Rated 5 out of
5
by
Chuck from
Repair of Green Egg diffuser
Easy to follow instructions. Cement set up in advertised timeframe, and so far has held together well under high and long heat.
Date published: 2017-08-08
Rated 5 out of
5
by
Tomer from
OB600 product performed as advertised.
Product performed as advertised
Delivered more or less on time
Date published: 2017-06-16
Rated 4 out of
5
by
GoEl from
Good properties
I bought this for thermalcouple application and works good. Just be sure to purchase measurement tools to get the mixture correct (80/20 by weight). Once I was able to mix correctly the product works good.
Date published: 2017-01-09
Rated 5 out of
5
by
RCPG from
Aerospace Grade Cement
This cement bonding capacity is at par with published specifications. Have been using for over 5 years. So far each time, it has worked.
Date published: 2024-09-01
Rated 5 out of
5
by
RCPG from
Affordable Thermocouple Epoxy
This Epoxy is an economical solution for affixing Thermocouple/Strain Gages. We have used it over and over for several years. Never had any issues.
Date published: 2023-11-23
Rated 5 out of
5
by
Anonymous from
Fiber panel testing
Worked fine 2" above a 650C hot pipe, and kept my Thermocouples attached to fiber parts
Date published: 2023-03-01
Rated 5 out of
5
by
DaveC from
Great High Temp Bond
Did the job mounting thermocouples to plates to measure rocket engine jet plume temperatures.
Date published: 2022-02-12