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Mining Spec 4 Rustproofing - Heavy Duty

(Spec:- BS400) 

Beam Spec BS400 is a similar treatment our BS300 but includes other high risk areas such as around roof gutters and window frames. This level of rust protection is the minimum we would recommend for vehicles used in underground mining and coastal shipping facilities.

Application Procedure:

Part A (Same as for Mine Spec BS300)

Part B (Additional to Mine Spec BS300)


  • Remove all fixed windows and spray or brush Ulratect "Imron" 2K Teflon/Polyurethane Clearcoat treatment around the window frames and refit.  Also treat external channel rails where required.
  • Replacing all parts that were removed prior to the vehicle being protected then finishes the vehicle.
  • All drain holes are checked to ensure they are free from any residual rustproofing product.
  • The vehicle is then cleaned off using a mild solvent to ensure that there is no over-spray on the body, trim, windows or any other exterior parts.

See Also:-   Mine Spec 5 - Extra Heavy Duty
                 Mine Spec 6 - Extreme Conditions

Recommended Optional Treatments


  • Some or all of the exterior painted surfaces can be coated with our Ultratect "Imron" 2K Teflon/Polyurethane Clearcoat to provide long-term protection against attack by water, acids and most chemicals. This product is ideal for Roofs, Gutters, doors, Bonnets, Side steps, Bull bars in fact its applications are almost unlimited. Ulratect "Imron" is clear, UV stable (will not go yellow) and will not significantly change the appearance of the substrate. This product will also rejuvenate (add gloss and colour) and protect oxidised paint and is ideal for all manner of plant and machinery.
  • Rhino Lining  - Polyurethane spray-on tray and surface coating -  Ideal for inside load areas and to encapsulate and permanently protect high wear areas such as bull bars, side steps, internal floor pans etc. Available in many colours. Sprayed on up to 6mm thick. Slip resistant. Prevents Rust and Corrosion. Waterproof and chemical resistant.

Application Time : (4 DAYS)

(Note: The above specification was last revised 1/10/2009 and should be used as a guide only. Some procedures may be altered or omitted for specific vehicle types or due to special customer requests. Beam reserves the right to alter this specification at any time without notice if new products or techniques become available.)


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