Antimicrobial Additives

Antimicrobial Additives

Antimicrobial Technology

Antimicrobial is used to describe substances which demonstrate the ability to reduce the presence of microorganisms, such as bacteria, mold, fungi and viruses.

Antimicrobial Solutions for Plastic

  • Bacteria, fungi, molds and viruses may cause severe damage to plastic articles and to the users.
  • Unprotected plastic articles can be attacked by microbes growth causing unsightly discoloration, unpleasant odors and polymer degradation issues.
  • Antimicrobial additives can be incorporated with plastic resins as a compound or as masterbatch during processing and provide a treatment to control microbes.


Kafrit’s Antimicrobial Additives

  • Kafrit’s antimicrobial additives contain silver phosphate glass antimicrobial technology to preserve the surface and prevent degradation caused by microbial growth.
  • It’s suitable for deployment in a broad range of materials, applications and process temperatures.
  • Kafrit’s antimicrobial additives are effective in low percentage of use against a wide range of bacteria including MRSA, E.coli, Salmonella, Campylobacter and Listeria, fungi, molds and viruses, including H1N1.
  • Kafrit’s antimicrobial additives will not migrate from the surface, cause discoloration or affect the clarity of the plastic.



  • Protein damage: Antimicrobial additives cause damage to the proteins of the microbe and result in failure of essential functions.
  • Cell damage: Antimicrobial additives that damage the microbe’s membrane, can cause a leakage of critical nutrients and calamitous structural failure.
  • Oxidative damage: Antimicrobial additives cause increased oxygen levels, which can lead to damage to the internal systems of the microbe.
  • DNA fragmentation: Antimicrobial additives disrupting the microbe’s genetics and can ultimately prevent its grows and reproduction.


Markets and Applications

  • Food containers and boxes
  • Crates for fresh food: meat, fish, vegetables etc.
  • Medicine containers and bottles
  • Plastic parts for ventilators and medical devices
  • Face shields
  • Syringes and pipettes
  • Wall cladding sheets


Food Industry

  • Stay fresh for longer
  • Have an extended functional lifetime
  • Be easier to keep hygienically clean
  • Be safe to use in a variety of environments
  • Offer lasting protection from bacteria and mold
  • Minimizing the risk of staining, bad odors and material degradation


  • Reduce and prevent infections in medical equipment such as tubes, catheters, cladding sheets etc.
  • Reduce duration of illness
  • Reduce cross-contamination
  • Reduce infection during medical procedures


Antimicrobial Products Portfolio

We offer different masterbatches and compounds according to your requirements and needs for:

  • PE, PP
  • PC
  • PET
  • TPU
  • PVC
  • PMMA
  • ABS


Tailor-made Solution

  1. Questionnaire
  2. Kafrit will supply the additive and process parameters
  3. The customer will produce samples for test
  4. Microbial test conducted in external laboratory
  5. Product approved



Hagit On
Technologist & Product Engineer
Colors & Special applications