Hylomar 4820 Technical Data Sheet

HYLOMAR 4820
Very high strength low viscosity thread locker
Description
Hylomar 4820 is a fast curing single part, anaerobic, thread-locking adhesive. It gives very high
strength, and low viscosity. When fully cured it is highly resistant to heat, corrosion, vibrations, water,
gases, oils, hydrocarbons and many chemicals.
Physical Properties, Uncured Product
Class of locking (DIN 30661) 3(High strength – not to be
                              dismantled)
Composition Anaerobic Methacrylate
Colour Red
Viscosity Spindle No.1 @ 10 rpm 500 mPas
(25°C) 
Specific Gravity @ 25°C 1.1 g/ml
Max thread size M36
Max gap filling 0.20mm
Flash Point > 100°C
Solvent Content None
Shelf Life 25°C 1 year
Cured Product
Handling Cure Time 2 – 10 minutes
Functional Cure Time 1 hour
Full Cure Time 2 - 4 hours
Break loose torque (DIN 54454)
Bolts M10 Zinc phosphate nuts and 32 N/m average
bolts 
Temperature Range -55 to + 150°C
Instructions for Use
For best results ensure that both surfaces are clean, dry and free from contamination such as oil or
grease. Surfaces may be cleaned using Acetone or an equivalent product.
Prior to assembly apply sufficient product to fill the threads, put the nut on to the thread and tighten to
the desired torque. After tightening any excess Hylomar 4820 can be easily wiped away using
Acetone or an equivalent product
Information given in this publication is based upon technical data gained in our own and other Laboratories and is believed to be true. However the material is used in
conditions beyond our control thus we can assume no liability for results obtained or damages incurred through the application of the data present herein.
Hylomar Ltd, Cale Lane, Wigan WN2 1JT UK
Tel: +44 (0) 1942 617000
Fax: +44 (0) 1942 617001
Revision date
Product name
27.05.2010
Page 1
Hylomar 4820 issue 3
of 2
Typical applications
Hylomar 4820 is a high strength thread-locking adhesive for use on nuts, bolts, studs and any metal
threaded components that do not require dismantling.
Storage conditions
To obtain the maximum shelf life the product must be stored in the original unopened container
between 5oC to 25oC in a dry place out of direct sunlight.
Handling & Safety Properties
Risk Phrases: R43 and R36/37/38.
Safety Phrases: S2, S26 and S28.
For further information please refer to the Safety Data Sheet.
Packages
Hylomar 4820 is available in 10ml, 50ml and 250ml bottles. For full details please contact our
Sales department.