Sealants & Gaskets
Delta industrial sealants and gaskets are high-performance sealing solutions designed to prevent the leakage of fluids and gases by forming a durable, impervious barrier between surfaces. Engineered to withstand pressure, vibration, heat, and demanding operating conditions, our sealants are ideal for industrial applications involving oil, gas, water, fuels, and other fluids. Our anaerobic gasket sealants are particularly suited to metal-to-metal sealing applications, while our silicone gasket sealants provide reliable sealing and bonding performance on a wide range of plastic and metal surfaces. Explore Delta's range of high-performance sealants for durable, long-lasting industrial sealing solutions.
Silicone Gaskets and Sealants
D200, D201, D202 Tru-Flex RTV Silicone Engineering Sealant
A high-performance acetoxy pure silicone sealant designed for durable industrial and automotive sealing applications. This high modulus silicone sealant cures quickly when exposed to atmospheric moisture, creating a tough, permanently flexible, waterproof seal with excellent chemical and electrical resistance.
Conforming to BS5889 (B) and ISO 11600, it is ideal for gasket replacement, electrical cabinet sealing, metal-to-metal and metal-to-glass expansion joints, and general waterproofing applications where long-lasting protection is required.
Product Code: D200, D201, D202
Size: 310ml cartridge
Colour: Clear (D200), White (D201), Black (D202)
Temperature Range: -60°C to +260°C
D203 Instant Gasket Clear RTV Silicone Sealant
A high-performance acetoxy pure silicone sealant with high modulus properties, designed for demanding industrial and automotive applications. It cures rapidly on exposure to atmospheric moisture, forming a tough, durable, and permanently flexible seal with excellent long-term performance. Resistant to transmission fluids, water, and antifreeze, it also offers strong chemical resistance and high electrical insulation properties. Conforming to BS 5889 (B) and ISO 11600, this sealant is ideal for gasket replacement, electrical enclosures, metal-to-metal and metal-to-glass expansion joints, and general waterproofing and sealing applications.
Product Code: D203
Size: 85g tube with nozzle
Colour: Clear
Temperature Range: -60°C to +260°C
D205, D206, D207 Tru-Flex One Part PU Adhesive/Sealant
A high-performance single-component polyurethane sealant designed for strong, durable, and flexible bonding and sealing. This moisture-curing adhesive and sealant forms a tough, elastomeric, fully waterproof seal with excellent chemical resistance, gap-filling properties, and shock and impact resistance. The non-sag formula is permanently flexible and can be overpainted, making it ideal for demanding industrial applications. Suitable for bonding and sealing wood, GRP, metal, concrete, glass, and most common plastics, this versatile polyurethane sealant is widely used in vehicle and coach building, caravan and motorhome assembly and repairs, bus and truck manufacturing, refrigeration and air conditioning, acoustic joints and seals, and general fabrication and assembly.
Product Code: D205, D206, D207
Size: 310ml cartridge
Colour: Black (D205), Grey (D206), White (D207)
Temperature Range: -60°C to +90°C
D208 Red Gasket Seal High Temp - RTV Silicone Sealant
A high-performance high-temperature silicone sealant specifically designed for demanding industrial and automotive applications. This moisture-curing sealant reacts with atmospheric moisture to form a tough, durable, and permanently flexible seal with excellent resistance to high temperatures, transmission fluids, oils, gases, water, and antifreeze. Conforming to BS 5889 (B) and ISO 11600, it is ideal for high-temperature gasket sealing and replacing pre-formed gaskets, as well as sealing electrical cabinets and joints exposed to elevated temperatures. Suitable for applications including ducting, metal chimneys, industrial and domestic ovens, heating appliances, and high-temperature assemblies.
Product Code: D208
Size: 85g tube with nozzle
Colour: Red
Temperature Range: -50°C to +300°C
D209 Tru-Flex FDA25 Clean Room Sealant
A high-performance neutral cure silicone sealant and adhesive with fungicidal properties, specially formulated for clean rooms, sterile environments, commercial kitchens, and refrigeration applications where repeated contact with food is likely. Its advanced formula provides excellent resistance to mould and mildew growth, while the high-viscosity, non-slumping consistency ensures reliable application and long-lasting sealing. FDA approved (21 CFR 177.2600, tested by IANESCO) and conforming to ISO 11600 F25M, this versatile silicone sealant is suitable for bonding and sealing ceramics, porcelain, vitreous enamel, glass, most metals, and plastics.
Product Code: D209
Size: 310ml cartridge
Colour: Off-White / Clear
Temperature Range: -50°C to +150°C
D210 Tru-Flex 40MS Hybrid Adhesive / Sealant
A high-performance solvent-free and isocyanate-free sealant and adhesive that cures by reacting with atmospheric moisture to form a tough, durable, and permanently elastic seal. Offering high bond strength and excellent initial grab, this neutral-cure, non-corrosive, and non-staining formula provides strong resistance to salt water, drinking water, mineral oils, gases, fuels, UV exposure, and weathering, along with good electrical resistance. Ideal for automotive and industrial bonding and sealing applications, it is widely used in caravan and vehicle production and repair, protecting welded joints and seams, sealing and bonding panels and cladding, expansion joints, and other applications requiring reliable, long-lasting adhesive and sealing performance.
Product Code: D210, D210WH, D210BL
Size: 310ml cartridge
Colour: Crystal Clear (D210), White (D210WH), Black (D210BL)
Temperature Range: -40°C to +120°C
D212 High Temp RTV Engineering Silicone Sealant
A high-performance high-temperature silicone sealant specifically designed for demanding industrial and automotive applications. This moisture-curing sealant forms a tough, durable, and permanently flexible seal with excellent resistance to high temperatures, transmission fluids, oils, gases, water, and antifreeze. Conforming to BS 5889 (B) and ISO 11600, it is ideal for high-temperature gasket sealing and replacing pre-formed gaskets, as well as sealing joints and assemblies exposed to elevated temperatures. Suitable for applications including ducting, metal chimneys, ovens, heating appliances, and other high-temperature industrial assemblies.
Product Code: D212
Size: 310ml cartridge
Colour: Black
Temperature Range: -60°C to +300°C
D213 High Temp RTV Engineering Silicone Sealant
A high-performance high-temperature aerosol sealant specifically designed for demanding industrial applications. This fast-curing, moisture-cure sealant forms a tough and durable rubber seal with extremely low shrinkage and is completely solvent-free. Supplied in a unique easy-to-use aerosol can, it can be applied quickly and conveniently by simply pressing the nozzle at an angle, making it ideal for efficient industrial sealing applications.
Product Code: D213
Size: 200ml aerosol power can
Colour: Black
Temperature Range: -60°C to +300°C
Anaerobic Gasket Sealants
D444 Multi Gasket Sealant
A high-viscosity, low to medium strength gasket sealant designed for reliable sealing between rigid flanged connections. Its thixotropic formula minimises product migration during and after application, while providing an immediate low-pressure seal once assembled. After curing, it offers excellent resistance to oil, water, and chemicals, making it ideal for a range of industrial sealing applications.
Product Code: D444
Size: 50ml, 250ml
Colour: Orange
Viscosity: High / Thixotropic Paste
Service Temperature Range: -55°C to +150°C
Handling Time: Up to 12 hours in ambient conditions
Full Cure: 24 - 48 hours
D510 Multi Gasket Compound
A high-performance anaerobic gasket sealant designed to create durable, in-situ gaskets and seals with medium resistance to dismantling. Its thixotropic formula and relatively fast curing provide excellent sealing performance, delivering immediate low-pressure resistance after application. Supplied in a unique concertina pack, it allows easy and precise application, even in restricted or hard-to-reach areas.
Product Code: D510
Size: 75ml concertina pack
Colour: Orange Fluorescent
Viscosity: High / Paste
Service Temperature Range: -55°C to +150°C
Handling Time: Up to 6 hours in ambient conditions
Full Cure: 24 hours
D555 Flex Gasket Sealant
A high-viscosity, low to medium strength gasket sealant designed for reliable sealing between flanged connections subject to slight movement and vibration. Its thixotropic formula minimises product migration during and after application, while providing an immediate low-pressure seal once assembled. When fully cured, it offers excellent resistance to oil, water, and chemicals, making it ideal for demanding industrial sealing applications.
Product Code: D555
Size: 50ml, 250ml
Colour: Purple
Viscosity: High / Thixotropic Paste
Service Temperature Range: -55°C to +150°C
Handling Time: Up to 2 hours in ambient conditions
Full Cure: 24 - 48 hours
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