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Magnaflux 7HF Oil-Based Visible Magnetic Particle Suspension 400ml Aerosol

Silmid P/N: MA77CHF400
£17.50 (excl VAT) £21.00 (Inc VAT)
5 Available from stock
Bulk discounts
£17.50 + VAT
£16.63 + VAT
£16.19 + VAT
£15.75 + VAT

Magnavis 7HF is an oil based ready to use black ink for wet method magnetic particle testing.

Technical Information

  • Commodity Code 28211000
  • Country of Origin United Kingdom
  • UN Number 1950 CL2.1

Product Properties

Pack Size
400ml Aerosol
Product Colour
Manufacturer Name
Magnaflux, a Division of ITW

Product Information

A highly-sensitive oil-based magnetic particle aerosol for nonfluorescent (visible) wet method magnetic particle testing to locate fine and medium discontinuities on finished parts. 7HF provides clear, strong indications due to the heavy buildup of the highly magnetic particles.

The convenient aerosol packaging is ideal for field testing, spot inspections and places where bulk processing is impractical, and the wide spray pattern makes it easy to cover large areas for faster processing during remote inspections of tubing, piping and large structures.7HF is often used with WCP-2 white contrast paint to improve contrast and inspection sensitivity.


  • Clear indications under visible light
  • Heavy particle buildup
  • Great particle mobility
  • Protects parts and equipment against corrosion
  • Superior surface wetting
  • Very small particle size Oil-based formula

Shipping information

Orders over £100 placed online will now qualify for FREE UK Mainland delivery*

Orders under £100 placed online for UK Mainland delivery is £12.00*

**Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £30.00, orders placed through the office will incur additional charges.** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.

Please refer to our delivery page for more information.