LCA-9
1 of 6 products in this brandLCA-9 is a filled gyro grade adhesive having an exceptionally low coefficient of thermal expansion. It exhibits excellent adhesion to aluminum and beryllium and has good chemical resistance.
RTU Product Type: Epoxy Adhesive
Application Area: Avionic Components, Gyros, Gyroscopes
Compatible Substrates & Surfaces: Aluminum, Metal
Features: Chemical Resistant, Good Adhesion, Low Coefficient of Thermal Expansion
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Type Document Name
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Technical Data SheetLCA-9 Technical Data Sheet
Enhanced TDS
Identification
- GBU
- RTU Product Type
- Categories
Applications
- Application Area
- Compatible Substrates & Surfaces
- Segment
Applications & Uses
- Usage Instructions
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Mix, at room temperature, 100 parts by weight of Adhesive LCA-9 with 4.50 parts by weight of Activator BA-5. Mix well until homogenous. Cure as recommended.
NOTE:
- Stir well the contents of the Adhesive LCA-9 container before use. If the contents contain crystals or are lumpy, warm to 200°F and mix thoroughly until homogenous before removing material. Prolonged storage at room temperature or low temperatures may cause the resin to solidify. Warming to 200°F will melt the resin and restore the adhesive to its original consistency.
- Before mixing, BE SURE that both the adhesive LCA-9 and activator BA-5 are at room temperatures.
- Weigh ingredients accurately so that each amount specified does not vary by more than 5%.
- Activator BA-9 (BA-5 without color and thickener) may be used at a ratio of 4.2 parts of BA-9 to each 100 parts of adhesive. The cured properties are the same but the color of the cured adhesive is tan.
Features
- Ready-to-Use Product Features
Packaging & Availability
- Regional Availability
- Availability Information
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- LCA-9/BA-5 and LCA-9/BA-9 are available in quart and four fluid ounce kits
- LCA-9/BA-9 is available in One-Shot kits.
- These systems are available also in Freeze-Paks.
Physical Properties
- Physical Form
Properties
- Recommended Mixing and Handling Parameters
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Value Units Test Method / Conditions Activator BA-5 - - Activator required per hundred of adhesive (parts by weight) 4.5 - - Adhesive LCA-9 - - Pot Life (at room temperature) 180.0 minutes - Viscosity of Mixed Adhesive (at 160°F) 50.0 poise - Work Life (at room temperature) 90.0 minutes - - Cured Properties
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Value Units Test Method / Conditions Bond Strengthh to Aluminium (at 77°F after 6 months at 300°F, Cured Condition : at 200°F, 2 hr) 2200.0 psi ASTM D1002 Coefficient of Linear Thermal Expansion (between -185°F and -65°F, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 10.0 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between -185°F and -65°F, Cured Condition : at 200°F, 2 hr) 11.5 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between -185°F and -65°F, Cured Condition : at 200°F, 8 hr) 9.5 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between -65°F and 80°F, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 12.0 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between -65°F and 80°F, Cured Condition : at 200°F, 2 hr) 11.5 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between -65°F and 80°F, Cured Condition : at 200°F, 8 hr) 12.0 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between 250°F and 300°F, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 54.0 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between 250°F and 300°F, Cured Condition : at 200°F, 2 hr) 54.0 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between 250°F and 300°F, Cured Condition : at 200°F, 8 hr) 54.0 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between 85°F and 135°F, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 14.5 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between 85°F and 135°F, Cured Condition : at 200°F, 2 hr) 18.0 x 10⁻ ⁶ / °F ASTM E831 Coefficient of Linear Thermal Expansion (between 85°F and 135°F, Cured Condition : at 200°F, 8 hr) 14.5 x 10⁻ ⁶ / °F ASTM E831 Flexural Strength (1 hr at 140°F + 24 hr at 160°F) 13000.0 psi ASTM D790 Flexural Strength (at 200°F, 2 hr) 16000.0 psi ASTM D790 Flexural Strength (at 200°F, 8 hr) 18000.0 psi ASTM D790 Glass Transition Temperature (1 hr at 140°F + 24 hr at 160°F) 200.0 °F Differential Scanning Calorimetry Glass Transition Temperature (1 hr at 140°F + 24 hr at 160°F) 192.0 °F Thermal Mechanical Analysis Glass Transition Temperature (at 200°F, 2 hr) 183.0 °F Differential Scanning Calorimetry Glass Transition Temperature (at 200°F, 2 hr) 162.0 °F Thermal Mechanical Analysis Glass Transition Temperature (at 200°F, 8 hr) 216.0 °F Differential Scanning Calorimetry Glass Transition Temperature (at 200°F, 8 hr) 219.0 °F Thermal Mechanical Analysis Hardness (1 hr at 140°F + 24 hr at 160°F) 93.0 - ASTM DI 2240 Hardness (1 hr at 140°F + 24 hr at 160°F) 93.0 - Shore D Hardness (at 200°F, 2 hr) 93.0 - ASTM DI 2240 Hardness (at 200°F, 2 hr) 93.0 - Shore D Hardness (at 200°F, 8 hr) 93.0 - ASTM DI 2240 Hardness (at 200°F, 8 hr) 93.0 - Shore D Lap Shear Strength to Aluminium (at -65°F, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 2200.0 psi ASTM D1002 Lap Shear Strength to Aluminium (at -65°F, Cured Condition : at 200°F, 2 hr) 2900.0 psi ASTM D1002 Lap Shear Strength to Aluminium (at -65°F, Cured Condition : at 200°F, 8 hr) 2700.0 psi ASTM D1002 Lap Shear Strength to Aluminium (at 200°F, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 2900.0 psi - Lap Shear Strength to Aluminium (at 200°F, Cured Condition : at 200°F, 2 hr) 1700.0 psi - Lap Shear Strength to Aluminium (at 200°F, Cured Condition : at 200°F, 8 hr) 1800.0 psi - Lap Shear Strength to Aluminium (at 75°F, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 2800.0 psi ASTM D1002 Lap Shear Strength to Aluminium (at 75°F, Cured Condition : at 200°F, 2 hr) 2200.0 psi ASTM D1002 Lap Shear Strength to Aluminium (at 75°F, Cured Condition : at 200°F, 8 hr) 2200.0 psi ASTM D1002 Loss in Weight (after ageing six months at 300°F, Cured Cndition : at 200°F, 2 hr) 0.6 % - Specific Gravity (1 hr at 140°F + 24 hr at 160°F) 1.72 - ASTM D792-A Specific Gravity (at 200°F, 2 hr) 1.72 - ASTM D792-A Specific Gravity (at 200°F, 8 hr) 1.72 - ASTM D792-A Storage Temperature 85.0 °F - Weight Change (after 24 hr immersion in CFC 113 + drying at 120°F for 24 hrs, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) -0.003 % - Weight Change (after 24 hr immersion in CFC 113 + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 2 hr) 0.002 % - Weight Change (after 24 hr immersion in CFC 113 + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 8 hr) 0.001 % - Weight Change (after 24 hr immersion in acetone + drying at 120°F for 24 hrs, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) -0.008 % - Weight Change (after 24 hr immersion in acetone + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 2 hr) -0.007 % - Weight Change (after 24 hr immersion in acetone + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 8 hr) -0.005 % - Weight Change (after 24 hr immersion in chloroform + drying at 120°F for 24 hrs, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 0.008 % - Weight Change (after 24 hr immersion in chloroform + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 2 hr) 0.158 % - Weight Change (after 24 hr immersion in chloroform + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 8 hr) 0.0 % - Weight Change (after 24 hr immersion in methanol + drying at 120°F for 24 hrs, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) -0.01 % - Weight Change (after 24 hr immersion in methanol + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 2 hr) -0.002 % - Weight Change (after 24 hr immersion in methanol + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 8 hr) -0.013 % - Weight Change (after 24 hr immersion in methylene chloride + drying at 120°F for 24 hrs, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 0.179 % - Weight Change (after 24 hr immersion in methylene chloride + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 2 hr) 1.17 % - Weight Change (after 24 hr immersion in methylene chloride + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 8 hr) 0.006 % - Weight Change (after 24 hr immersion in n - hexane + drying at 120°F for 24 hrs, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) -0.002 % - Weight Change (after 24 hr immersion in n - hexane + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 2 hr) -0.002 % - Weight Change (after 24 hr immersion in n - hexane + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 8 hr) 0.002 % - Weight Change (after 24 hr immersion in toluene + drying at 120°F for 24 hrs, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) -0.005 % - Weight Change (after 24 hr immersion in toluene + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 2 hr) -0.002 % - Weight Change (after 24 hr immersion in toluene + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 8 hr) -0.013 % - Weight Change (after 24 hr immersion in water + drying at 120°F for 24 hrs, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 0.0 % - Weight Change (after 24 hr immersion in water + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 2 hr) -0.01 % - Weight Change (after 24 hr immersion in water + drying at 120°F for 24 hrs, Cured Condition : at 200°F, 8 hr) -0.01 % - Weight Change (after 24 hr immersion in water, Cured Condition : 1 hr at 140°F + 24 hr at 160°F) 0.04 % ASTM D570-A Weight Change (after 24 hr immersion in water, Cured Condition : at 200°F, 2 hr) 0.04 % ASTM D570-A Weight Change (after 24 hr immersion in water, Cured Condition : at 200°F, 8 hr) 0.05 % ASTM D570-A Young's Modulus in Flexure (1 hr at 140°F + 24 hr at 160°F) 1.40 x 10⁶ psi ASTM D790 Young's Modulus in Flexure (at 200°F, 2 hr) 1.91 x 10⁶ psi ASTM D790 Young's Modulus in Flexure (at 200°F, 8 hr) 1.70 x 10⁶ psi ASTM D790
Storage & Handling
- Shelf Life Information
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The shelf life of these materials are greater than two years when stored in unopened containers at an average temperature below 85°F.
- Shelf Life
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min. 2 years