What Is Loctite Eccobond E 1172 A?
Loctite Eccobond E 1172 A is a 1-part, heat-curing epoxy underfill for very fine area-array and flip-chip devices. The material can underfill geometries as small as 25 µm, providing a uniform, void-free encapsulation that distributes stress away from solder connections and supports reliability during thermal cycling.
As a 1-part epoxy system, no mixing is required before dispensing, making it well suited to high-volume electronics and semiconductor assembly lines across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain.
With a pot life of 48 hours at 25°C and a fast heat cure at comparatively low temperatures, Eccobond E 1172 A helps assembly lines maintain throughput without compromising underfill quality. Maisam Trading LLC is the authorised Loctite supplier in Dubai, with stock available for prompt delivery across the entire GCC region.
Description
Loctite Eccobond E 1172 A is available from Maisam Trading LLC Dubai in a 10cc syringe (15g). The assembly should be preheated to 90–120°C before dispensing — higher temperatures reduce underfill time — and the material can be dispensed using a syringe fitted with a 23 G needle or larger, applied as a line on one side or in an L-shape on two sides for very large devices.
After removal from cold storage, the syringe should be kept vertical and allowed to thaw for at least 60 minutes before use. Optimal storage temperature is -40°C to -20°C, with a shelf life of 183 days at -40°C or 91 days at -20°C.
As a trusted Loctite Eccobond E 1172 A supplier in Dubai and across the GCC, Maisam Trading LLC provides prompt delivery and B2B supply to electronics and semiconductor manufacturing customers across UAE, Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain.
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Technical Specifications
| Property | Specification |
|---|---|
| Product Name | Loctite Eccobond E 1172 A |
| Manufacturer Number | 1342387 |
| IDH Number | 1189513 |
| Chemical Base | Epoxy |
| Colour | Tan |
| Cure Type | Heat cure |
| Filler Content | 65–68 wt.% |
| Viscosity (Brookfield) | 17,000 mPa·s |
| Maximum Particle Size | 20 µm |
| Density | 1.68 g/cm³ |
| Pot Life @ 25°C | 48 hours |
| Standard Cure | 6 minutes @ 135°C |
| Fast Cure | 3 minutes @ 150°C |
| Low-Stress Cure | 30 min @ 100°C + 5 min @ 135°C |
| Cure Shrinkage | 0.47% |
| Coefficient of Thermal Expansion (CTE) | 27 ppm/°C |
| Glass Transition Temperature (Tg) | 135°C |
| Shore Hardness | ≥ D90 |
| Water Absorption, 24-hr boil | 1.5% |
| Volume Resistivity | 1 × 10¹⁵ Ω·cm |
| Dielectric Constant / Dissipation Factor @ 1MHz | 3.52 / 0.0042 |
| Country of Origin | United States |
| Pack Size | 10cc Syringe (15g) |
| Brand / Manufacturer | Loctite (Henkel) |
| Supplier in UAE / GCC | Maisam Trading LLC, Dubai |
FAQs
Q1: What is Loctite Eccobond E 1172 A used for?
Loctite Eccobond E 1172 A is a heat-curing epoxy underfill used for flip-chip and very fine area-array devices in electronics and semiconductor assembly, supporting geometries as small as 25 µm.
Q2: How long is the pot life of Eccobond E 1172 A?
The pot life at 25°C is 48 hours after the syringe has thawed.
Q3: What cure schedules are available?
Standard cure is 6 minutes at 135°C, fast cure is 3 minutes at 150°C, and a low-stress cure option is 30 minutes at 100°C followed by 5 minutes at 135°C.
Q4: How should Eccobond E 1172 A be stored?
Optimal storage is -40°C to -20°C, giving a shelf life of 183 days at -40°C or 91 days at -20°C. After removal from cold storage, keep the syringe vertical and thaw for at least 60 minutes before use.
Q5: What pack sizes are available?
Loctite Eccobond E 1172 A is available in a 10cc syringe (15g) from Maisam Trading LLC. Contact our team for other pack size availability.
Q6: Where can I buy Loctite Eccobond E 1172 A in the UAE or GCC?
Maisam Trading LLC is a trusted Loctite supplier in Dubai. Contact +971521672252 or email sales@maisamdubai.com. We supply across UAE, Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain.
Q7: Is bulk purchasing available?
Yes. Maisam Trading LLC offers competitive pricing for bulk and B2B orders across the GCC. Contact our sales team for a customised quote.
Availability & Support
Loctite Eccobond E 1172 A Epoxy Underfill 15g Syringe is available across Dubai and all major GCC electronics manufacturing supply networks through Maisam Trading LLC.
Call / WhatsApp: +971521672252
Email: sales@maisamdubai.com for quotes, or bulk order pricing
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We offer special pricing for bulk orders. If you're looking to purchase this product in large quantities, please contact us at +97142218202 or sales@maisamdubai.com for a personalized quote.
You can find product manuals and technical specifications or download on the product page under the "Specifications" tab. If you need further assistance, please contact our support team at +97142218202 or sales@maisamdubai.com, and our experts will be happy to help.
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