Mercedes Mullins
Permatex offers a range of repair kits for different types of tanks, including plastic and metal fuel tanks. The Permatex Plastic Welder is a product designed to repair hard and semi-flexible plastics, aluminum, fiberglass, and more. While Permatex does offer a fuel tank repair kit, it is only suitable for metal fuel tanks. The Permatex Plastic Tank Repair Kit is not intended for use on plastic fuel tanks, as stated in the product description. However, some users have suggested using the Permatex Fuel Tank Repair Kit for plastic fuel tanks and monitoring for any issues before deciding to replace the tank.
| Characteristics | Values |
|---|---|
| Will Permatex Plastic Welder work on plastic fuel tanks? | No, Permatex's Plastic Tank Repair Kit is not for use on plastic fuel tanks. |
| Alternative repair methods | Users have suggested using Seal-All, yellow teflon tape, yellow rectorseal pipe dope, or a soldering pen and strips of a milk jug to seal holes in plastic fuel tanks. |
| Permatex Fuel Tank Repair Kit | Permatex does offer a Fuel Tank Repair Kit, but it is only suitable for metal fuel tanks. |
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What You'll Learn
Permatex's Plastic Tank Repair Kit
The repair resin is designed to harden within 8 to 10 minutes and cure in 30 minutes. Repairs can be made ideally at temperatures ranging from 50°F to 75°F (10°C to 24-25°C). It is important to note that repairs made at lower temperatures will take longer to cure. This kit can repair cracks up to 4 inches in length and holes up to 3/8 inch in diameter.
- Drain the tank or reduce the fluid level at least 2 inches below the damaged area.
- Prepare the damaged area by removing any oil, grease, tar, or dirt from the repair area. Sand the affected area at least 1 inch beyond the damage. For cracks that may continue to expand, it is recommended to drill a small hole at each end of the crack.
- Clean the area with an alcohol swab.
- Cut the fiberglass cloth to fit within the sanded area.
- Knead the contents of the pouch back and forth until the mixture is of a uniform color (mix for a maximum of 2 minutes).
- Cut off the top of the pouch and dispense the resin mixture onto the damaged area.
- Spread the resin mixture uniformly with the supplied brush onto the area to be covered by the fiberglass. Note that the material will become warm to the touch.
- Place the fiberglass over the resin-covered area. Spread the remaining mixture over the fiberglass until it is completely saturated.
- Taper the edges of the repair area beyond the fiberglass. Smooth the repaired area with the brush.
- The repair will be complete when the resin cures in 30 minutes. The tank may be refilled after 30 minutes or when the repair is tack-free.
It is important to note that Permatex also offers a separate Fuel Tank Repair Kit, which is specifically designed for repairs on metal fuel tanks.
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Permatex's Fuel Tank Repair Kit
Before beginning the repair process, it is important to read all the directions and instructions provided in the kit. The first step is to remove the gas cap to vent the tank and ensure adequate ventilation. If the leak is large, the tank should be drained or the liquid level reduced to at least 2 inches below the damaged area. The damaged area must then be prepared by removing any oil, grease, tar, or dirt. For cracks that may continue to expand, it is recommended to drill a small hole at each end of the crack. The area should then be cleaned with an alcohol swab.
The next steps involve mixing and applying the resin. The resin must be mixed and applied within 8 minutes as it will start to harden after this time. The resin is applied to the damaged area, and a layer of fiberglass is placed over it. The remaining resin is spread over the fiberglass until it is completely saturated. The edges of the repair area are then tapered, and the surface is smoothed with a brush. The repair is complete once the resin cures in 30 minutes, and the tank can be refilled.
Customer reviews for the Permatex Fuel Tank Repair Kit are generally positive, with many finding it to be effective in repairing leaks and holes in their fuel tanks. Some customers have mentioned that it is worth the money and performs better than typical products. However, there are mixed reviews regarding durability, with some reporting that the repair only lasted a few days. It is important to follow the instructions accurately and ensure proper ventilation during the repair process.
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Preparing the plastic fuel tank for repair
Once the plastic type is identified, the next step is to drain the fuel tank or, at the very least, reduce the fluid level significantly below the damaged area. This precaution ensures that the repair process is safe and that fuel does not leak or spill during the repair. After draining, it is essential to clean the tank thoroughly, removing any traces of oil, grease, tar, dirt, or other contaminants from the repair area. This step ensures that the repair material will adhere properly to the surface.
The third step is to prepare the surface for repair. This involves sanding or roughening the area around the damage. Sanding serves two purposes: it further cleans the surface and creates a rough texture that enhances the bonding of the repair material. It is recommended to sand at least one inch beyond the damaged area to ensure a strong repair. For cracks, it is advisable to drill small holes at each end to prevent them from expanding further. After sanding, clean the area with an alcohol swab to remove any residual dust or debris.
Finally, before applying any repair material, it is crucial to ensure that the work area is protected from accidental spills or leaks. This may involve placing the fuel tank in a well-ventilated area or using a drop cloth or plastic sheeting to catch any potential spills. Additionally, it is essential to wear the appropriate safety gear, including gloves and eye protection, to safeguard against any chemicals or debris.
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Using resin to repair plastic fuel tanks
While some sources suggest using resin to repair plastic fuel tanks, others advise against it. One source mentions that resin might not hold up to solvents, and another user's attempt at repairing a plastic fuel tank with epoxy glue failed.
If you are set on using resin to repair a plastic fuel tank, here is a general step-by-step guide based on the Permatex® Plastic Tank Repair Kit:
- Drain the tank or reduce the fluid level at least 2 inches below the damaged area.
- Prepare the damaged area by removing any oil, grease, tar, or dirt. Sand the affected area at least 1 inch beyond the damage.
- For cracks that may continue to expand, drill a small hole at each end of the crack.
- Clean the area with an alcohol swab.
- Cut the fiberglass cloth to fit within the sanded area.
- Mix the resin and apply it to the damaged area within 8 minutes, as it will start to harden.
- Spread the resin mixture in a uniform layer with a brush onto the area to be covered by the fiberglass.
- Place the fiberglass over the resin-covered area. Spread the remaining mixture over the fiberglass until it is completely saturated.
- Taper the edges of the repair area beyond the fiberglass. Smooth the repaired area with a brush.
- Allow the resin to cure for 30 minutes. Refill the tank after 30 minutes or when the repair is tack-free.
It is important to note that Permatex® specifically states that their Plastic Tank Repair Kit is not for use on plastic fuel tanks. Therefore, it is recommended to refer to the manufacturer's instructions and warnings before proceeding with any repairs. Additionally, some users have suggested using alternative methods, such as soldering or replacing the tank altogether, as repairing a fuel tank can be dangerous and may void insurance coverage in the event of future issues.
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Alternatives to Permatex plastic welder
While Permatex Plastic Welder is a structural adhesive designed for bonding a wide variety of materials, there are other alternatives available on the market that can be used for similar purposes. Here are some options:
- Devcon Plastic Welder: This product is mentioned as an alternative to Permatex on a Reddit thread. However, the user noted that it was not available in their local stores.
- Other brands with methyl methacrylate: Methyl methacrylate is a key component in plastic welding, so look for other brands that include this ingredient.
- Marine-Tex Epoxy: This epoxy is suggested as a temporary fix until a new tank can be sourced.
- Permatex 84334 Fuel Tank Repair Epoxy Stick: This epoxy stick from Permatex is recommended for fuel tank repairs, but it is intended for metal tanks, not plastic ones.
- Seal-All: A user on Reddit mentions using Seal-All for fuel tank repairs with successful results.
- JB Weld or chemical-resistant sealant: A hardware store sealant with chemical resistance is recommended by a user, but they caution about the presence of fumes and heat from bonding agents.
- Permatex Plastic Tank Repair Kit: While this kit is not suitable for plastic fuel tanks, it can be used to repair other types of plastic tanks, such as windshield washer reservoirs and radiator overflow tanks.
It is important to note that repairing a plastic fuel tank may require specific products and procedures due to the unique challenges posed by the solvents and pressures involved. Always refer to manufacturer instructions and safety guidelines when working with adhesives and sealants.
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Frequently asked questions
No, Permatex Plastic Welder cannot be used on plastic fuel tanks. However, Permatex does offer a specific kit for metal fuel tank repairs.
Seal-All is a product that can be used to repair plastic fuel tanks. Other alternatives include using yellow Teflon tape, yellow Rectorseal pipe dope, or a soldering pen and strips of a milk jug.
The Permatex Fuel Tank Repair Kit is used to repair leaks in all types of metal fuel tanks. It can repair cracks up to 4" (10 cm) long and holes up to 3/8" (9 mm) in diameter.
