Loctite 638 Retaining Compound
Out of stock
For a retaining compound offering high strength on all metals, including passive substrates, try 638. You can expect high temperature performance and good oil tolerance, a fixture time of just four minutes, and gap fill of 0.15 mm to 0.25 mm (0.006" to 0.01"). Shear strength 31.0 N/mm². Gap fill 0.15 mm - 0.25 mm.
People Also Ask — Loctite 638 Retaining Compound 50ml
Q: What is a retaining compound like Loctite 638 used for?
A retaining compound like Loctite 638 is used to bond cylindrical fitted parts — such as bearings into housings or shafts into bores — including on passive substrates where standard adhesives struggle to cure, giving a high-strength bond across all metals.
Q: How soon can an assembly bonded with Loctite 638 be handled?
Loctite 638 has a fixture time of around 4 minutes, so the assembly can be handled relatively soon after application, well before full cure strength develops.
Q: What temperature range does Loctite 638 handle once cured?
Once cured, Loctite 638 is rated for a service range of -55°C to 180°C, and it also offers good oil tolerance, making it suited to components exposed to lubricants or engine-bay heat.
Q: What gap and strength can Loctite 638 handle?
Loctite 638 is rated for a gap fill of 0.15–0.25mm and delivers a shear strength of 31.0 N/mm², giving a high-strength fit for cylindrical assemblies within that clearance range.
Couldn't load pickup availability
Secure Checkout. We do not store credit card details
