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  • NFJ metal Leak-proofing material

NFJ metal Leak-proofing material

NFJ metal Leak-proofing material

It is produced by patent technology. The aggregate has a multi-pore honeycomb structure. After double anti-rust treatment, the aggregate has super abrasion resistance and impact resistance. It can be used in combination with organic and inorganic adhesives to achieve the effect of seam filling and leak filling.

Product Description

It is produced by patent technology. The aggregate has a multi-pore honeycomb structure. After double anti-rust treatment, the aggregate has super abrasion resistance and impact resistance. It can be used in combination with organic and inorganic adhesives to achieve the effect of seam filling and leak filling. Metal leak-proofing materials are crucial in various industries to prevent leaks and ensure the integrity of structures, piping, and containers. These materials are designed to provide a strong, durable seal that can withstand various environmental conditions and stresses.

Application Scope

Plumbing and Piping: Ensuring leak-proof connections in water, gas, and chemical pipelines.

HVAC Systems: Sealing ducts, joints, and components to prevent air and fluid leaks.

Automotive Industry: Sealing engine components, fuel systems, and radiators to prevent leaks and maintain system integrity.

Industrial Equipment: Preventing leaks in machinery, tanks, and processing equipment.

Construction: Sealing metal roofs, windows, and structural joints to prevent water ingress.


NFJ metal Leak-proofing material

Advantages And Features

Impact resistance and wear resistance.

Rustproof, light and porous,

Large specific surface area, strong bond with adhesive

It can resist acid and alkali, corrosion, has convenient construction, and long service life.

Reliability: Provides a strong, durable seal that prevents leaks and ensures system integrity.

Durability: Resistant to environmental factors, chemicals, and mechanical stresses.

Versatility: Suitable for a wide range of applications and industries.

Cost-Effective: Helps prevent costly leaks and repairs by maintaining a secure seal.



The size can range from nanometers to centimeters. Customize according to customer requirements.


Material TypePropertiesApplicationsTemperature ResistanceChemical ResistanceTensile StrengthAdditional Features
Epoxy ResinHigh bond strength, water-resistantRepairing cracks, bonding metal partsUp to 150°C (300°F)Excellent60-90 MPaLong curing time (24 hours at room temperature)
Silicone SealantsFlexible, weather-resistant, non-toxicSealing joints in roofs and windows-50°C to 200°C (-58°F to 392°F)Good2-3 MPaUV resistant, fast curing
Polyurethane SealantsStrong adhesion, resistant to chemicals and weatherSealing metal structures, machinery-40°C to 90°C (-40°F to 194°F)Excellent5-7 MPaPaintable, good elasticity
Rubber GasketsCompressible, chemical-resistantFlanges, joints in pipes-30°C to 120°C (-22°F to 248°F)GoodVaries with material typeAvailable in nitrile, EPDM, silicone
Metal GasketsHigh strength, withstands high pressure and temperatureHigh-pressure and high-temperature flangesUp to 800°C (1472°F)Excellent100-250 MPaAvailable in copper, aluminum, stainless steel
PTFE TapeNon-reactive, lubricatingSealing threaded pipe joints-200°C to 260°C (-328°F to 500°F)ExcellentN/AEasy to apply, resistant to almost all chemicals
Pipe DopeSeals and lubricates threadsThreaded metal and plastic pipe joints-45°C to 150°C (-49°F to 302°F)GoodVaries with formulationProvides a reliable, long-lasting seal
WeldingPermanent, extremely strongJoining metal partsDependent on filler materialExcellentVery highRequires skilled labor, creates a permanent bond
SolderingStrong, leak-proof jointsSmall metal parts, plumbing fittingsUp to 450°C (842°F)GoodVaries with solder typeEasier than welding, used for smaller applications
Rubber LiningsChemical-resistant, flexibleTanks, pipes, valves-40°C to 100°C (-40°F to 212°F)Excellent5-10 MPaProvides a barrier against corrosion
Epoxy CoatingsDurable, chemical-resistant, waterproofTanks, pipelines, structural componentsUp to 150°C (300°F)Excellent60-90 MPaProvides corrosion protection, long-lasting


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