Description
ChemSet CA5 is our general-purpose low viscosity (5cps) cyanoacrylate adhesive useful in wicking or penetrating applications and bonding closely fitted parts. Used in our Chip Repair Kits the CA5 is considered our “thin-set” which is better for your slight nicks, gouges, and scrapes on countertop surfaces.
ChemSet CA5 is a low-viscosity product useful in wicking or penetrating applications or bonding closely fitting parts. CA5 is fast setting and also suitable for use on plastics, rubber, and metals.
Approved to MIL-A-46050C Type II Class 1 (existing designs) & CID A-A-3097 Type II Class 1
Cyanoacrylate adhesives are single-component adhesives that polymerize rapidly when pressed into a thin film between parts. The moisture adsorbed on the surface initiates the curing of the adhesive. Strong bonds are developed extremely fast and on a great variety of materials. These properties make cyanoacrylates the ideal adhesives for high speed production lines.
Features and Benefits
- Ultra-low viscosity
- Suitable for bonding pre-assembled parts
- Ideal for close-fitting plastic components
Approved to MIL-A-46050C Type II Class 1 (existing designs) & CID A-A-3097 Type II Class 1 (new designs)
Physical Properties of Uncured Adhesive
| Chemical Composition | Ethyl Cyanoacrylate |
| Appearance | Colorless/Clear |
| Viscosity @ 25°C | 2-3 mPa.s (cP) |
| Specific Gravity | 1.1 |
Typical Curing Properties
| Maximum gap fill | 0.05 mm (0.002 in) |
| Fixture/Handling time *
(0.3 N/mm^2 shear strength is achieved) |
3-5 seconds (Steel)
2-5 seconds (Buna N Rubber) 5-10 seconds (Phenolic) |
| Full strength | 24 hours |
*Handling times can be affected by temperature, humidity and specific surfaces being bonded. Larger gaps or acidic surfaces will also reduce cure speed but this can be overcome by the use of ChemSet Quick Tack II Activator
Typical Performance of Cured Adhesive
| Shear strength*
(ISO4587) |
Steel: 19-23 N/mm² (2800-3300 psi)
Aluminum: 7-9 N/mm² (1000-1300 psi) Zinc: 8-10 N/mm² (1200-1500 psi) ABS: >6 N/mm² (900 psi) SF** PVC: >6 N/mm² (900 psi) SF** PC: >5 N/mm² (700 psi) SF** Phenolic: 12-14 N/mm² (1700-2000psi) |
| Impact strength
(ASTM D-950) |
3-5 kJ/m² (1.4-2.4 ft-lb/in²) |
| Dielectric constant @ 10 kHz | 2.5 |
| Dielectric strength | 25 kV/ mm |
| Coefficient of thermal expansion | 90 x 10^-6 mm/mm/°C |
| Coefficient of thermal conductivity | 0.1 W/(m.K) |
| Hardness
(ISO868) |
85 Shore D |
*Strength results will vary depending on the level of surface preparation and gap.
**SF = Substrate failure
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