ENVOGENE HLD4E has been designed as a disinfectant cleaner for Facilities Management, Contract Cleaners, Emergency Services and other applications requiring a general use, high level disinfectant product.

ENVOGENE is non-fragrance solution and recommended for general use at dilutions from 1:50 to 1:10 for high risk applications, with 99.99% proven efficacy against viruses (Coronavirus SARS-CoV-2, Norovirus, Adenovirus, Herpes, Hepatitis B, etc) and 99.999% efficacy against other organisms such as MRSA, Salmonella, Campylobacter, Pseudomonas, Listeria and many more.

ENVOGENE HLD4E is Article 95 compliant and has been developed with the Biocidal Products Regulations (BPR), in mind to ensure that as a user you are future proofed from the need to make changes to your product portfolio. Even under the strictest health and safety, occupational health and environmental risk assessments, the HLD4 requires minimal consideration.


ENVOGENE HLD4E is safe to use around many surfaces and textiles including rubber compounds, Plastics, Fibreglass, Stainless Steel, Mild Steel, Aluminium, Copper, Brass and other materials found in clinical practice, in particular, synthetic floors, instruments and devices.

  • For high risk use with contact time of 5 minutes dilute to 1:10 (10%). To make a ready-to-use solution, dilute 100ml of concentrate product in 1 Litre of water of a suitable quality
  • For General use and SARS-COV-2 at 1:50 (2%). To make ready-to-use solution, dilute 20ml of concentrate product in 1 Litre of water of suitable quality
  • See application sheets for further information

ENVOGENE HLD4E has been tested effective against:


Enterococcus hirae, Escherichia coli, Listeria monocytogenes, Methicillin-resistant Staphylococcus aureus, Methicillin-resistant Staphylococcus pseudintermedius, Pseudomonas aeruginosa, Salmonella tryphimurium and Staphylococcus aureus, Candida albicans, Trichopyton rubrum.


Adenovirus, Hepatitis B, HIV, Herpes Simplex, Vaccinia Virus (incl Coronavirus SARS COV-2) and Norovirus. The HLD4 formulation demonstrates efficacy against enveloped viruses in 30 seconds.

ENVOGENE HLD4E is manufactured in accordance with Quality Management System ISO 9001:2015:and is biodegradable under OECD conditions.

The HLD4 formula is being supported through BPD and REACH and contains no actives listed as being of a carcinogenic risk.

A safer-to-use disinfectant all round

Health and safety issues and product compatibility are of real importance to everyone, MEDIMARK SCIENTIFIC encourages all users of chemical products to pay special attention to the advisory statement within the Material Safety Data Sheets and upon product labeling.

​For an up to date MSDS please email .(JavaScript must be enabled to view this email address)