Lubricant for switches

Available until stock's last!


Prolab's HG-BIO is the best ecological biodegradable lubricant for switches. Its unique formula, exclusive to PROLAB, provides it with exceptional properties which allow it to outclass similar products.

Characteristics and Benefits

PROLAB's HG-BIO with deep penetrating action, clings to the switch metal parts; it lubricates efficiently and allows for easy operation of both mechanical and electrical switches. Exceptionally resistant to water, HG-BIO offers excellent protection against corrosion and wear. Contaminants such as sand and dust have little effect on it. Its long-lasting lubricating action extends maintenance intervals thus reducing maintenance costs. HG-BIO is easy and safe to use and allows the attendant to apply it without spill or mess.

PROLAB's HG-BIO is environmentally friendly: ecological and biodegradable, and does not contains any heavy metals, nitrous compounds or organochlorinated.

Types of Application

PROLAB's HG-BIO is ideally suited for operations with a high risk of environmental damage in case of accidental spills, such as: project near bodies of water (harbor installations), wildlife, national park, etc. PROLAB's HG-BIO is a must for all companies with railroad infrastructures.

safety data sheet

Directions for Use

Apply HG-BIO with a brush or spray.


Negative backlash on the corporate image and dire financial setbacks resulting from an accident can be substantially reduced by using an environmentally friendly product.

Available Size


Product Code

# 491020

characteristics astm test typical values
Appearence   Clear yellowish liquid
Pour point D97 -35oC
Flash and fire point D92 310oC
Specific gravity at 15oC D4052 0,9402 g/cm3
Viscosity at 40oC D445 75,2 cSt
Viscosity at 100oC D445 13,5 cSt
Viscosity index D2270 185
Rust preventative characteristic D665A Passe
Biodegrability CEC L-33-A-93 > 90%