MATERIALS, ADHESIVES AND COATINGS
LOCTITE EA 9628 / 9658 / 9695 / 9696 AERO (Hysol) film epoxy adhesives for metal, honeycomb structures and composites, with EA 9203 / 9258.1 primers
Country: · Model: EA 9628 / 9658 / 9695 / 9696 AERO
One-part film epoxy adhesives for metal, honeycomb structures and composites with an operating temperature from 121 to 288 °C. Film thickness is 0.1–0.4 mm, and up to 15 days remain for assembling units. They are used in the production and repair of airframes, helicopter blades and nacelles.
- Type
- one-part pre-catalyzed film adhesives (epoxy; EA 9673 is bismaleimide), usually on a supporting carrier
- Thickness
- 0.1–0.4 mm (5–15 mils)
- Operating temperature
- 121 °C (9628, 9628H, 9690, 9696); 149 °C (9695); 177 °C (9658); 288 °C (9673 BMI)
- Cure
- 121 °C 90 min (9628); 177 °C 60 min (9658); 107–129 °C (9696); 121 or 177 °C (9690, 9695, EA 7000); 177 °C + post-cure (9673)
Technical specifications
| Type | one-part pre-catalyzed film adhesives (epoxy; EA 9673 is bismaleimide), usually on a supporting carrier |
|---|---|
| Thickness | 0.1–0.4 mm (5–15 mils) |
| Operating temperature | 121 °C (9628, 9628H, 9690, 9696); 149 °C (9695); 177 °C (9658); 288 °C (9673 BMI) |
| Cure | 121 °C 90 min (9628); 177 °C 60 min (9658); 107–129 °C (9696); 121 or 177 °C (9690, 9695, EA 7000); 177 °C + post-cure (9673) |
| Shear at 25 °C | up to 41–48 MPa (9628 is 41.3 MPa; 9696 is 41.3 MPa; 9690 is 42.0 MPa) |
| Bench life | 15–90 days at 25 °C (9695 is 90 days, 9696 is 60 days) |
| Storage | −18 °C |
| Primers | EA 9203 (non-curing, for pastes), EA 2000 (nitrile-phenolic waterborne), EA 9258.1 (waterborne chromate for 177 °C, VOC 142 g/l) |
| Former names | Hysol EA 9628, EA 9658, EA 9673, EA 9690, EA 9695, EA 9696, PL 7000 |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
EA 9628 and 9628H cure at 121 °C for 90 minutes and give a shear of about 41 MPa at 25 °C and 13.8 MPa at 121 °C. EA 9658 for nacelles cures at 177 °C for 60 minutes, works up to 177 °C, has a Tg of 200 °C when dry and about three times higher fracture toughness than EA 9689. EA 9673 is a bismaleimide film up to 288 °C with no release of volatiles, while EA 9690 has low flow and high peel strength for low-pressure cure. EA 9695 is radiopaque, reticulated, cures at 121 or 177 °C and has 90 days of bench life. EA 9696 cures at 107–129 °C, has 60 days of bench life and is convenient for repair. The new EA 7000 is intended for composites with high G1c fracture toughness.
How to choose
Temperature and structure type determine the choice. Up to 121 °C take EA 9628 (EA 9628H for helicopter blades), up to 177 °C EA 9658, up to 288 °C the bismaleimide EA 9673. A primer is selected for the film. EA 9203 without curing goes under cold-cure pastes on poorly prepared surfaces, EA 2000 is a waterborne nitrile-phenolic for hot cure, and EA 9258.1 is a waterborne chromate for 177 °C with VOC 142 g/l.
Request a price and lead time
LOCTITE EA 9628 / 9658 / 9695 / 9696 AERO (Hysol) film epoxy adhesives for metal, honeycomb structures and composites, with EA 9203 / 9258.1 primers. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the thickness of LOCTITE AERO film adhesives and why the carrier?
Typical thickness is 0.1–0.4 mm. The supporting carrier controls bondline thickness, increases fracture toughness and makes cutting easier.
Which film works up to 288 °C?
The bismaleimide EA 9673, which releases no volatiles during cure.
How many days does the film last on the bench?
From 15 to 90 days at 25 °C depending on the grade. EA 9695 has 90 days, EA 9696 has 60 days.
How should film adhesives be stored?
All films are stored at −18 °C, in rolls or sheets.
Which film suits helicopter blades?
EA 9628H is preferred for bonding blades, including with out-of-autoclave cure. It cures at 121 °C for 90 minutes.
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