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» Sikaflex 221 Black 300 ml black, one-component adhesive, polyurethane sealant for metal, paint coatings, ceramics

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Sikaflex 221 Black 300 ml black, one-component adhesive, polyurethane sealant for metal, paint coatings, ceramics

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Availability: Available >20 pcs

Delivery: The price does not include any possible payment costs check the delivery methods

Price: €11.79 11.79

Net price: €9.58

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Description

Sikaflex®-221 black 300 ml is a one-component, non-sag polyurethane sealant engineered for durable, elastic bonding of metals, coatings, ceramics and plastics. It cures by ambient moisture and meets EN45545-2 for rail applications.

Benefits and Unique Features

One-component – no mixing required
Non-sag formulation – stays in place on vertical surfaces
High elasticity and ageing resistance
Sandable and paintable after cure
Low odour
Meets EN45545-2 R1/R7 HL3 (rail)

Properties and Applications

Chemical base: one-component polyurethane
Colour: black
Density (uncured): 1.3 kg/l
Application temperature: +5 °C to +40 °C
Open time: 45 min at 23 °C / 50 % RH
Skin-over time: 60 min at 23 °C / 50 % RH
Shrinkage: 5 %
Shore A hardness: 40
Tensile strength: 1.8 MPa
Elongation at break: 500 %
Service temperature: –50 °C to +90 °C (24 h), briefly +120 / +140 °C
Applications: bonding and sealing vehicle bodies, panels, ceramics and plastics

Technical Specifications

Parameter	Value
Cartridge volume	300 ml
Chemical base	One-component polyurethane
Density	1.3 kg/l
Open time	45 min (23 °C / 50 % RH)
Skin-over time	60 min (23 °C / 50 % RH)
Shrinkage	5 %
Shore A hardness	40
Tensile strength	1.8 MPa
Elongation at break	500 %
Temperature range	–50 °C to +90 °C (24 h), +120 / +140 °C briefly
Shelf life	12 months (< 25 °C)

Storage Recommendations

Store in a cool, dry place at +5 °C to +25 °C, protected from UV and frost. Keep container tightly closed.

Instructions for Use

Clean, degrease and dry all surfaces.
Shake cartridge before use and load into caulking gun.
Apply at +5 °C–+40 °C; ideal +15–25 °C.
Assemble parts within open time (45 min).
Smooth joint before skin-over time (60 min) with Sika® Tooling Agent N.
Remove uncured sealant with Sika® Remover-208; cured material mechanically.
Clean tools and skin with Sika® Cleaner-350H and water.

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Sikaflex 221 white 300 ml white, one-component adhesive, polyurethane sealant for metal, paint coatings, ceramics

Sikaflex-221 is a versatile, one-component polyurethane adhesive and sealant with a wide range of adhesion. The product is designed for elastic sealing and bonding, providing durability and resistance to ageing. Thanks to its versatility, it will work in many industrial and home applications.

Price: €10.96 (net: €8.91 )

Sikaflex 221 Black 600 ml black, one-component adhesive, polyurethane sealant for metal, paint coatings, ceramics

Sikaflex-221 black 600 ml is a one-component, non-sag polyurethane sealant that cures by moisture to form flexible, UV- and corrosion-resistant joints. Meeting EN45545-2 for rail applications, it delivers durable bonding and sealing for metals, ceramics and plastics.

Price: €13.77 (net: €11.19 )

Sikaflex 221 Light Grey 300ml grey one-component polyurethane adhesive/sealant for metal, paint coatings, ceramics

Sikaflex®-221 light grey 300 ml is a versatile one-component, non-sag polyurethane sealant designed for precision sealing and bonding of metal, ceramic, painted and plastic parts. It cures by ambient moisture to form flexible, long-lasting joints that resist vibration, corrosion and UV exposure. Its formula minimizes shrinkage and allows for subsequent sanding or painting, and it meets EN45545-2 for rail applications while performing in temperatures from –50 °C to +90 °C.

Price: €10.96 (net: €8.91 )

Sikaflex 291i 300ml black one-component polyurethane sealant, waterproof, flexible, solvent-free, marine industry

Sikaflex-291i black 300 ml is a one-component, non-sag marine polyurethane sealant with Wheelmark approval. It offers up to 700 % elongation, very low VOC, and UV/weather resistance, fully compliant with IMO standards.

Price: €15.16 (net: €12.32 )

Sikaflex 252 600ml black one-component polyurethane adhesive for metal, GRP laminates, plastics, ceramic materials, flexible

Sikaflex-252 black 600 ml is a one-component, non-sag polyurethane adhesive-sealant offering exceptional gap-filling, vibration damping and UV resistance. It cures by moisture, remains paintable after initial cure and is ideal for large-body assembly and sealing in commercial vehicles.

Price: €25.65 (net: €20.86 )

Sikaflex 252 300ml black one-component polyurethane adhesive for metal, GRP laminates, plastics, ceramic materials, flexible

Sikaflex-252 black 300 ml is a one-component, non-flowing polyurethane sealant-adhesive with high flexibility and vibration damping properties. It cures with air humidity, fills gaps and provides durable joints resistant to UV radiation, salt and dynamic loads. Ideal for assembling large body parts in buses, motorhomes and trucks.

Price: €21.18 (net: €17.22 )

Teroson All-In-One Primer BO 10ml primer / activator for polyurethane glass adhesives and sealants, improves adhesion and resistance to UV radiation, for glass, varnishes and ceramics

Primer and activator in one, used before bonding car windows. It improves the adhesion of adhesives / sealants to glass and resistance to UV radiation. Used for glass, varnish, ceramics and glass with a vulcanized seal. Reactivates the remaining glue joints. TEROSON cotton applicators are used to apply an even layer of the product. It is recommended to prepare the surface with the TEROSON VR 100 and TEROSON ET SPONGE cleaners.

Price: €7.45 (net: €6.06 )