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Description
DINITROL Underbody Full Kit RC900 ML Cavity Wax 4941 Underbody Coat 4x4 Car DIN56This Kit is suitable to undercoat LARGE car the size of Ford Ranger, Land Rover Defender, Ford Transit Custom etc.. Below you will find Step by Step instructions how to use this kit. DINITROL RC 900 is a rust converter based on an organic chelate complex combined with epoxy resin. It actively converts the rust on the substrate into a stable organic iron complex. When the product dries, it forms an impenetrable barrier to further corrosion. DINITROL RC
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This Kit is suitable to undercoat LARGE car the size of Ford Ranger, Land Rover Defender, Ford Transit Custom etc.. Below you will find Step by Step instructions how to use this kit. |
DINITROL RC 900 is a rust converter based on an organic chelate complex combined with epoxy resin. It actively converts the rust on the substrate into a stable organic iron complex. When the product dries, it forms an impenetrable barrier to further corrosion. DINITROL RC 900 penetrates about 7-10 times deeper into the rust than conventional rust conversion products and forms a dry and strong adhesive film that is suitable as a base for the lacquer structure and as a carrier for other corrosion protection products.
Benefits
Polymer film formed on converted rust
Deep effect
Easy application
Deep working properties
Over paintable
Technical Data
Colour amber-coloured
Appearance solution
Film type hard
Density 0,9 g/cm3
Viscosity 118 cSt
Solids 16%
Recommended film thickness 130 µm
Yield ~ 60 g/m² per coat
Drying time 24 hours at 20°C
Storage time 10 years (between 15°C and 25°C)
Available in 400 ml Spray
DINITROL ML was developed for use in closed cavities such as doors, frame parts and external hinges and gaps. The product can be used as corrosion protection for used cars, trucks, buses and other vehicles.
Benefits
Brown
Extremely Penetrating
Stops ongoing corrosion
Water displacing
Oily, flexible film
Wet in wet with bitumen vehicle Underbody coating
Technical Data
Colour brown
Type of film oily, greasy
Density at 23°C 860 kg/m³
Viscosity at 23°C, (DIN 2) 60 seconds
Dry matter content 46% by weight
Flash point 40°C
Aromatic content in solvent < 1 %
Recommended film thickness 10 ?m
Recommended film thickness wet 30 ?m
Drying time 1 hour
Heat resistance 80°C
Low temperature adhesion < - 40°C
Salt spray test > 96 hours
Penetration in 50 ?m wide gap > 70 mm
Effect on car paint none
Removability White Spirit
Available in 1 L Miniservice / 5L Pail / 20 L Pail
60 L Drum / 208 L Drum / Container
DINITROL 4941 / 4941 CAR is a long term protective product. The product leaves a firm, black film with short drying time and good adhesion and flexibility on all metal surfaces, rubber and plastic parts.
Benefits
OEM references
Robust universal film
Self-healing
Easily applied
Good abrasion resistance
Component protection
Technical Data
Colour - black
Type of film - hard, waxy
Density at 23°C - approx. 1100 kg/m³
Viscosity at 23°C - 800 mPas
Dry matter content - 69% by weight
Flash point - 36°C
Aromatic content in solvent - 0,5%
Recommended film thickness wet - 700 ?m
Recommended layer thickness - 300 ? 500 ?m
Drying time - 6 ? 12 Stunden through dry
Low temperature adhesion - -20°C
Removability - Hydrocarbon solvents
Heat resistance - 130°C
Salt spray resistance, 300 ?m - 1500 hours
HOW TO USE
Step One
Before starting the DIY rustproofing wash the vehicle from dirt and grease and allow to completely dry
Once dry, mask up any areas that you do not want to spray. Wear suitable protective clothing and place plastic floor covering under the vehicle to protect the surface from product drips. You may also require a wire brush to remove any loose material to find the solid base metal.
Step Two
Treat any rust present on the vehicle with the specialist RC900 Convertor product
Remove any flaking rust and apply the DINITROL® RC900 Rust convertor to the remaining rust making sure the edges are coated to ensure a good seal. This will convert rust into a stable organic iron complex. Drying time is up to 24 hours
Step Three
Spray ML cavity wax into all vehicle underbody box sections
Using an injection pipe or extension nozzle start to inject the product into internal bodywork and chassis cavities. Please note injection pipes or extended hose are for cavity wax applications only and not for applying vehicle underbody coatings. Drying time is up to 2-3 hours
Step Four
Also apply a thin coat of the ML cavity wax to the underbody of the vehicle
Spraying a thin coat (light misting) of cavity wax prior to applying the underbody coating softens up any existing coating that may be present and helps with the adhesion of the underbody or stone chip coating. Cavity waxes also contain rust inhibitors whilst the underbody coating combats the highly corrosive effects of road salt and abrasion. Does not have to dry
Step Five
Apply the underbody coating 4941 over the underbody cavity wax layer, this can be done while still wet
In some circumstances when working in a cold environment it may be necessary to warm the underbody coating (up to the room temperature) prior to spraying due to being much thicker than the cavity wax. To obtain the optimum protection a typical thickness of 2mm wet should be applied this will dry to around 1mm. Drying time is up to 12 hours
Step Six
Finally remember to clean any excess or overspray from the vehicle
To clean equipment use Benzene based spirit. Your vehicle is now protected from corrosion, please remember to inspect the underbody annually and touch the coating where necessary to check the surface in more detail.
Drying times may vary based on the environment. Times are estimate based on dry, room temperature environment ,
This kit product quantities are estimated to the size of the average car in similar class and may vary.
IMPORTANT NOTE:
If you are not sure if this Undercoat kit will be suitable for your size of car, please send us a message with car details so we can advise on the correct Underbody treatment kit.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Soft and beautiful!
Color: Brown, Size: 60"x80"
Love it! So soft and pretty. A little small for my queen sized bed, I would size up. But beautiful and warm, feels high quality. No shedding.
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Reviewed in the United States on February 8, 2026
★★★★★ 4
DO NOT PUT IN DRYER
Color: Cream&grey, Size: 60"x80"
Very soft, very comfortable, very warm, sheds a lot at first. 9/10 for initial impression.
So how do you wash it? The instructions say take it to a professional dry cleaner which costs more than the blanket, so that option is out. I've been looking everywhere and everyone says something different, I've ruined two blankets trying to figure it out how to clean them. DO NOT PUT IN YOUR DRYER WITH HEAT, EVER, PERIOD. I ruined my second blanket by putting it in the dryer for just 7 minutes on 'delicate' heat, just don't do it. Even using no heat in the dryer will cause the material to become slightly more abrasive after each cycle. MACHINELESS AIR DRY ONLY. The faux fur has an insanely low fraying point and even getting it moderately warm causes it to become abrasive and have a harsh tangled 'dog blanket' feel to it that is permanent.
COLD WASH ONLY ON DELICATE. This seems to have little to no effect on the quality of the blanket. Use high quality detergent with little to no additives for delicates and a laundry bag. Fabric softeners are a big NO, they will shorten the life of your blanket substantially.
For colors, The Cream and Grey and Yellow and Grey are very nice and picture accurate. The Camal was far darker than the images would have you believe and it has a greenish copper tint to it. The Ivory looks awful with how they brushed the tips.
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Reviewed in the United States on February 7, 2025
★★★★★ 5
My Favorite Blanky
Color: Yellow&grey, Size: 60"x80", Color: Yellow&grey, Size: 60"x80"
The color of the yellow/grey is exceptional. The blending and pattern of the two colors makes for a very realistic looking pelt and the colors go with an extensive variety of other colors you may have in your home. In a couple of spots you could see little clumps where the fur was sticking out further than the rest, almost like it was trying to shed, but I just took scissors and cut the little tuffs to be even with the rest of the fur. Never once has it actually shed. It holds smells really well so washing it on a delicate cycle with those scent booster beads and then putting it in the dryer on the Air Dry setting creates this magical scent that fills an entire room. I have issues with a lot of textures so I’m very particular about my fabrics and furs and I can tell you this blanket feels like pure bliss and does not give me sensory overload or an icky feeling. It’s a great weight as well, id say it’s a medium-heavy blanket. It’s exactly what I was looking for. I have had this blanket for about a year now and the quality is definitely worth it. It’s held up against 3 big dogs, my toddler, and my newborn and it still looks like it just got delivered to me. Personally I thought the blanket was going to be bigger, but I am still content with the size. it’s gone from my couch to my bed and fits both perfectly. I love it on both. I feel that for the price the blanket could have been bigger but other than that, it was worth the money.
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Reviewed in the United States on December 5, 2024
★★★★★ 5
Recommend
Color: White & Black, Size: 60"x80"
Very nice appaearance, soft, and large enough for cozy winter nights. No shedding that I can tell. Happy with purchase.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Quality look. Quality feel
Color: Brown, Size: 60"x80"
Excellent product. Feels and looks like real fur. Color is fantastic and realistic. Good weight feel and very warm. You won't be disappointed.
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Reviewed in the United States on January 31, 2026