Part no. (SKU/IDH):
135469
IDH Name:
LOCTITE® 498, 1 oz Bottle
Legacy IDH:
49850
Instant adhesives
Thermal cycling resistant adhesive
A 1-part, general purpose, medium-viscosity instant adhesive that withstands intermittent temperatures up to 121°C (250°F). Works on a wide range of substrates.
Part no. (SKU/IDH):
135469
IDH Name:
LOCTITE® 498, 1 oz Bottle
Legacy IDH:
49850
Size Please make your selection 1 oz
All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.
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Large volume or special order?
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- Description
- Technical specification
- Question & answer
LOCTITE® 498 is a medium-viscosity instant adhesive formulated to resist thermal cycling, which exhibits superior resistance to humidity. It has a fixture time of approximately 50 seconds and is suited for the assembly of metals, elastomers and plastics, including difficult-to-bond (PP, PE, PTFE) plastics with the aid of a primer such as LOCTITE® SF 770.
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Formulated to resist thermal cycling
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Exhibits superior resistance to humidity
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Medium viscosity for gaps up to 0.18 mm (0.007 ")
- Product category:
- Instant adhesives
Technologies:
-
Cyanoacrylate
- Color:
- Light yellow; Translucent
- Cure type:
- Moisture cure
- Key characteristics:
- No mix; Viscosity: medium viscosity
- Number of components:
- 1 part
- Recommended for use with:
- Metal; Plastic; Rubber
- Specific gravity, @ 25.0 °C:
- 1.1
How to use
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.
To improve adhesion on difficult to bond plastic surfaces, apply LOCTITE® SF 770 to the bond area by brushing or dipping. Avoid applying excess primer. Allow the primer to dry.
If cure speed is too slow, use activator LOCTITE® SF 7452 or LOCTITE® SF 7455 (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.
Apply adhesive onto one side/part.
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 7452. Spray or drop activator onto excess product.
For precise dispensing of small amounts of adhesive, the use of dispensing needles is recommended.
FAQ
This is a result of stress cracking. Uncured liquid CA remaining on some plastic substrate (such as polycarbonate, acrylic, and polysulfone) in a stressed condition may cause the formation of cracks in the plastic. Some remedies for avoiding/minimizing stress cracking are closing the bond joint quickly, use reinforced grades of plastic, anneal parts, or speed the cure of the CA with accelerator (or light for light curing CA products only).
This is called blooming. This often occurs when there is an excessive amount of product being applied. To avoid blooming, use proper ventilation, less product, lower humidity, use a primer/accelerator, or a low bloom product.
Yes, CA’s should be stored in the refrigerator prior to opening, but DO NOT refrigerate them once they have already been opened. After opening, CA's should be used within 30 days for best performance.
All necessary H&S measures and PPE (personal protection equipment) requirements can be found on the product material safety data sheet, all of which are available via our website.
Henkel has several products available with varying levels of NSF® approval, amongst others. Please contact the Henkel sales or technical teams with your requirements.
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Large volume or special order?
{{#distributor.notOnShelf}} {{/distributor.notInStock}}{{#distributor.notInStock}} {{#distributor.onShelf}} {{#distributor.notInStock}} {{/distributor.onShelf}}There was a problem with your request. Please try again or contact us directly.
Every question, request, and challenge is an opportunity for us to help your business perform. And we have all the right people ready to make it happen.
Check our FAQ for quick answers or reach out via phone to our support center. Here, we also offer additional inquiry forms to help you connect with the appropriate Henkel expert.