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Specialist Materials for Industry and Science



Q: Who is responsible for manufacturing Metrosil Silicon Carbide Varistors?
Metrosil is manufactured by M&I Materials Limited in the UK.

Q: Who are M&I Materials Limited?
M&I Materials Limited is a strong global business that specialises in materials for industry and science. Please see

Q: I am interested in learning more about Metrosil, what should I do next?
Please contact our expert sales team and they will endeavour to answer all your questions.
+44 (0)161 864 5456 or Email:

Q: Can Metrosil be ordered online?
No, currently Metrosil is not available to buy online.

Q: What are the typical lead times for Metrosil?
Normally approx 4-6 weeks. We always endeavour to satisfy customer requirements.

Q: What is Metrosil?
Metrosil is the brand name for silicon carbide based non-linear resistors manufactured by M&I Materials Limited.

Q: Is there technical data available for Metrosil?
Please visit our Document Library.

Q: Can I test my Metrosil?
Testing of Metrosils is complex and may require expensive equipment. Generally, a visual inspection will suffice to establish that the unit is not damaged. The electrical characteristics during the normal use of Metrosil are very stable from the time of manufacture until the end of the life of the protected equipment.

Q: Is Metrosil ROHS complaint?
Metrosil is RoHS compliant; units are manufactured using lead-free solders.

Q: Do M&I Materials Limited provide guidance about the care of Metrosil units?
For guidance on how to store, handle, inspect (prior to Installation) and maintain Metrosil units please click here.

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Products of M&I Materials Ltd.