Whats the operating temp of loctite 638 tm.....we have hair crack or say void in the mig-welded metal part....resulting into water sippage...

Upto 180 deg Celsius after full cure. But shouldn't be used to fill hair crack. Use Loctite 290 instead for hair cracks.

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638 Retaining Compound 50ml | High-Strength Retainer | High Temperature & Oil Resistant | Fast Fixture Time | High Viscosity | Bonds Shafts, Gears & Pulleys

Product ID: 227407182

Details

Brand
Loctite
Item Form
Liquid
Material
Methacrylate
Special Feature
durable
Specific Uses For Product
durable

🔥High temperature resistant

⏱️Fast fixture time

🛠️High viscosity for strong bonding

HK$132

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Description

🔧 Lock it down fast, lock it in for good!

RAPID FIXATION POWER - Secures shafts, gears, and pulleys in record time—no downtime, just uptime.
DURABILITY YOU CAN TRUST - Crafted by Henkel, a global leader, guaranteeing reliability and longevity.
UNMATCHED HEAT ENDURANCE - Withstands extreme temperatures to keep your assemblies intact under pressure.
ENGINEERED FOR METAL MASTERY - Specifically designed to bond metal components with industrial-grade strength.
PREMIUM HIGH VISCOSITY FORMULA - Ensures a robust, long-lasting bond that resists oil and water intrusion.

Loctite 638 Retaining Compound is a 50ml high-strength adhesive designed for metal bonding applications. Featuring high viscosity, fast fixture time, and resistance to heat and oil, it reliably secures shafts, gears, and pulleys. Trusted by professionals, this durable methacrylate ester formula ensures waterproof, long-lasting performance in demanding industrial environments.

Specifications

Asin	B0074NAX8A
Best Sellers Rank	#11,394 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #233 in Universal Adhesives
Brand Name	Loctite
Colour	Red
Compatible Material	Metal
Container Type	Bottle
Customer Reviews	4.2 4.2 out of 5 stars (77) 4.2 out of 5 stars
Importer Contact Information	Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India
Included Components	1
Item Form	Liquid
Item Package Quantity	1
Item Type Name	Adhesive
Item Weight	80 Grams
Manufacturer	Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India, Loctite
Manufacturer Contact Information	Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India
Manufacturer Part Number	LOCTITE 638-50ml
Material Type	Methacrylate Ester
Model	LOCTITE 638-50ml
Number Of Pieces	1
Other Special Features Of The Product	durable
Packer Contact Information	Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India
Specific Uses For Product	durable
Unit Count	50 Milliliters
Upc	079340214484
Viscosity Level	High
Volume	50 Millilitres
Water Resistance Level	Waterproof

Reviews

User

Good

Excellent product

23.04.2026

User

Loctite 638

Good

2.02.2026

User

Excellent product

This does it work perfectly. I wanted it to seal the bottom bracket of my carbon frame cycle and it worked..

2.02.2025

User

Loctile 638

It's a excellent bearing retainer

28.12.2020

User

Good Product

31.07.2022

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HK$132

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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