LOCTITE® 4902 - Bottle 10.0/case
Features and Benefits
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A 1-part, low-viscosity instant adhesive formulated for demanding flexible bondlines that is ideal for applications in disposable medical device assemblies.
LOCTITE® 4902 is a highly flexible, low-viscosity instant adhesive. This formula offers significant performance enhancements, including increased strength in flexing bond lines and resistance to leaks with excellent sealing capability. It offers fixture times of 20 seconds and is well suited for the assembly of metals, elastomers and plastics, including difficult-to-bond materials (PP, PE, PTFE) when used with a primer such as LOCTITE® SF 7701. LOCTITE 4902 is tested to Henkel's ISO 10993 protocols for use in disposable medical devices.
- High strength in flexing bond lines
- Excellent sealing capability to prevent fluid leakages
- Low viscosity
- ISO-10993 biocompatible
Documents and Downloads
Safety Data Sheets and RoHs
- Bottle 10.0/case - IDH 1875841
- Bottle 10.0/case - IDH 1875842
LOCTITE® 4902, 20 g Bottle 1875841 en-US
IDH:
1875841
EAN:
079340005198
Size Case: Bottle
Quantity: 10.0/case
LOCTITE® 4902, 1 lb Bottle 1875842 en-US
IDH:
1875842
EAN:
079340005181
Size Case: Bottle
Quantity: 10.0/case
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Technical Information
| Color | Clear |
| Fixture time, Steel | 20.0 sec. |
| Gap fill | 0.12 mm |
| Key characteristics | Flexible |
| Operating temperature | -40.0 - 82.0 °C (-40.0 - 180.0 °F ) |
| Shear strength, Mild Steel (grit blasted) | 10.5 N/mm² (1500.0 psi ) |
| Viscosity | 200.0 mPa·s (cP) |
How to
Step by Step Guide
1. Preparation - Cleaning
It is recommended to use the correct LOCTITE® cleaner for the surface to be bonded (such as LOCTITE® SF 7070) to degrease and clean surfaces prior to applying the adhesive.
2. Preparation - Priming
To improve adhesion on difficult to bond plastic surfaces, apply LOCTITE® SF 7701 to the bond area by brushing or dipping. Avoid applying excess primer. Allow the primer to dry.
3. Preparation - Activation
If cure speed is too slow, use activator LOCTITE® SF 713 (see cure speed vs activator graph in TDS). Apply activator to one bond surface by spray, brush or dipping (not primed surfaces). Allow the activator to dry.
4. Application
Apply adhesive onto one side/part.
5. Assembly
Assemble parts immediately. The parts should be accurately located as the short fixture time leaves little opportunity for adjustment. Bond should be held or clamped until the adhesive has fixtured.Hint: if necessary, excess product can be cured by activator LOCTITE® SF 713. Spray or drop activator onto excess product.
Frequently Asked Questions
What does "medical device grade adhesive" mean?
Are certificates of biocompatibility test available?
Do instant adhesives (CA) need to be refrigerated?
What health and safety (H&S) precautions do I need to take when using this adhesive?
Why does my plastic crack when I use an instant adhesive (CA)?
Why is there a white haze on my parts around the bond area?
LOCTITE® 4902
A 1-part, low-viscosity instant adhesive formulated for demanding flexible bondlines that is ideal for applications in disposable medical device assemblies.