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If you have any queries or questions regarding First Four Offroad or any of our products and services please do not hesitate to get in touch today.
Call: 01404 891121
Email: [email protected]Opening TimesWe are open Monday-Thursday, 8:30am - 5:00pm. We are closed Friday-Sunday.
You can leave a message outside of these hours and we’ll ring you back during our opening hours.
© 2016 First Four Offroad. All Rights Reserved.
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- Winch Bumpers
- Galvanized Bumpers
Galvanized Bumpers
For the ultimate in corrosion resistance Hot Dipped Galvanizing takes some beating. The galvanizing process basically involves immersing the item into a bath of molten zinc. All our bumpers are available in a galvanized finish. We stock the more popular bumpers and others are available by \\\'special order\\\'.Galvanized bumpers are particularly popular for commercial applications or for similar situations where the bumper will be working in a harsh environment. The whole purpose of galvanizing is to prevent corrosion, with this in mind the surface finish can be sometimes uneven and less visiually appealing than a conventional powder coated bumper. All our galvanizing is carried out to BS EN ISO 1461.
Read the information below, or click on the links on the side menu or bottom of the page to see the galavanized bumpers available for your Land Rover.
So what is Galvanizing?
1.Surface Preparation
2.Degreasing/Caustic Cleaning
A hot alkaline solution removes dirt, oil, grease, shop oil, and soluble markings.
3.Pickling. Dilute solutions of either hydrochloric or sulfuric acid removes surface rust and mill scale to provide a chemically clean metallic surface.
4.Fluxing
Items are immersed in liquid flux (usually a zinc ammonium chloride solution) to remove oxides and to prevent oxidation prior to dipping into the bath of molten zinc. In the dry galvanizing process, the item is separately dipped in a liquid flux bath, removed, allowed to dry, and then galvanized. In the wet galvanizing process, the flux floats atop the molten zinc and the item passes through the flux immediately prior to galvanizing.
5.Galvanizing
The article is immersed in a bath of molten zinc between 815-850 F (435-455 C). During galvanizing, the zinc metallurgically bonds to the steel, creating a series of highly abrasion-resistant zinc-iron alloy layers, commonly topped by a layer of impact-resistant pure zinc.
6.Finishing
After the steel is withdrawn from the galvanizing bath, excess zinc is removed by draining, vibrating or—for small items—centrifuging. The galvanized item is then air-cooled or quenched in liquid.
N.B. Bumpers across our range can be specified in Hot Dipped Galvanized Finish to BS EN ISO 1461. Please be aware before ordering, that this an\'industrial\' finish. The nature of the process can sometimes produce a random surface finish and, as the galvanizing is carried out a a commercial Galvanizing Plant, we have no direct control of the process, therefore galvanized bumpers cannot be considered for return or refund for issues concerning the appearance of the surface, as the British Standard to which they are galvanized priroizes rust prevention properties rather than surface appearance .
Part Number: DPB000270GALV
Defender Galvanized Military Bumper
Part Number: RRC6681
Centre Pin for Military Bumper
Part Number: RRC6682
Clip for Centre Pin
Part Number: FF50G
SHADOW' DEFENDER AIR CON TUBULAR WINCH BUMPER-GALVANIZED
Part Number: FF50GSS
SHADOW' DEFENDER AIR CON TUBULAR WINCH BUMPER-GALVANIZED with Swivel Recovery Eyes
Part Number: FF12G
Defender Galv Winch Bumper AIR-CON for Superwinch Winches
Part Number: FF46G
Defender Shadow Galv Tubular Winch Bumper with A-Bar
Part Number: FF46GSS
Defender Shadow Galv Tubular Winch Bumper with A-Bar & Swivel Recovery Eyes
Part Number: FF04G
Defender Winch Bumper for Superwinch Husky (Galv)
First Four was born in 2001, and we are 100% Land Rover. Our aim is to provide you with both the best range of aftermarket accessories, this is our Shadow range of replacement bumpers, underbody protection and, to cater for your day to day needs for Land Rover parts, both aftermarket or genuine.
Monday-Thursday: 8:30am - 5:00pm
You can leave a message outside of these hours and we’ll ring you back during our opening hours. We trade mainly by mailorder but you can visit by appointment only.
Call us on: 01404 891121

Copyright 2016 - First Four Off Road - All rights reserved.