Non - Setting Jointing Compounds

Hylomar® Spezial

Hylomar Spezial is a solvent free non-setting and non-hardening sealant.

Skip to the beginning of the images gallery

Hylomar Spezial works to reduce the effect that environmental ingress would typically have on a joint surface. With a wide operating temperature ranging between -50°C to 250°C, the product can be used in a diverse range of applications such as electric vehicle battery packs, inverters, steering systems, and electric motors.

Key product features include:

OEM approved sealant.
Reduces the effect of environmental ingress.
Reduces filiform corrosion.
It is a one component product.

Please see product leaflet attached for additional details.

Features

Electrical Properties

AST D149 Dielectric strength / Dielectric breakdown voltage 6.5kV/mm (23°C 50% R.H. Thickness 2.54mm)
ASTM D257 Volume resistivity 6.054 X 10⁹ Π-cm (23°C 50% RH applied voltage 500V dc for 60 seconds 2mm thickness)
ASTM D257 Volume resistance 5.326 X 10⁷ Π-cm (23°C 50% RH applied voltage 500V dc for 60 seconds 2mm thickness)
ASTM D150 Dielectric constant 3.558 (Applied Voltage 1V @1kHz thickness 2mm)
ASTM D150 Power Factor 0.0306 (Applied Voltage 1V @1kHz thickness 2mm)
ASTM D495 Minimum Arc resistance 65 seconds (thickness 2-3mm specimen carbonised, flamed and self-extinguished)
ASTM D495 Medium Arc resistance 81 seconds (Thickness 2-3mm specimen carbonised, flamed and self-extinguished)

Product Sizes

Pack sizes – 12 x 300ml (Cartridge), 20kg (Keg), 200kg (Drum)

Hylomar Spezial is resistant to the following fluids:

Water
Salt Water
Lubricants
Fuels
Coolants

Typical Applications:

Electric vehicle battery housing
Connector housings
Inverters
Electric motors

Typical Physical Properties

Colour	Blue
Specific Gravity	(ASTM D4659) 1.20-1.25g/ml
Flash Point	224°C (ASTM D92)
Appearance	Non-Setting Paste
Typical Temperature	-50°C to 250°C
Autoignition Temperature	445°C