Silicone and Polyurethane Sealants
WEICON's silicone and polyurethane sealants are durable, paintable, and resistant to weather, aging, fresh and salt water.
These flexible adhesives and sealants are often based on polyurethane (PUR) or silicone and may be used to bond and seal a wide range of materials, including metals, plastics, ceramics, wood, glass, and stone.
WEICON Silicone and Polyurethane Sealants can be utilized in tank and apparatus engineering, carriage, container and vehicle building, ventilation and air conditioning systems, and the energy and electrical industries.
Key Features:
- Durability: WEICON's silicone and polyurethane sealants remain effective over time, especially under tough circumstances.
- Paintability: Many formulations may be painted over, providing for seamless incorporation with existing surfaces.
- Weather resistance: WEICON's silicone and polyurethane sealants can survive UV radiation, rain, and temperature variations.
- Aging resistance: The sealants maintain their characteristics for long periods of time without considerable breakdown.
- Water resistance: They efficiently protect against both fresh and saltwater incursion.
Applications:
- Automotive: Sealing joints, gaps, and seams in car bodywork and components.
- Construction involves weatherproofing windows, doors, and expansion joints.
- Marine: Bonding and sealing in boat construction and repair.
- Industrial: Putting together equipment and mechanical components.
- Plumbing involves sealing pipes, fittings, and connections.
ADHESIVE-SEALANT Aqua-Flex MS-Polymer 310ML BLACK
ADHESIVE-SEALANT Aqua-Flex MS-Polymer 310ML BLACK Ideal for wet and damp surfaces | ISEGA-certified WEICON Aqua-Flex is robust, paintable (wet on wet), has exceptional aging resistance and is resistant to weathering, UV rays as well as fresh and salt water. It does not contain silicone, isocyanate, halogens and solvents. The product is ISEGA certified and can be used as an adhesive in food technology. Aqua-Flex is an elastic adhesive and sealant based on MS polymer f..
ADHESIVE-SEALANT Aqua-Flex MS-Polymer 310ML GRAY WEICON
ADHESIVE-SEALANT Aqua-Flex MS-Polymer 310ML GRAY WEICON Ideal for wet and damp surfaces | ISEGA-certified WEICON Aqua-Flex is robust, paintable (wet on wet), has exceptional aging resistance and is resistant to weathering, UV rays as well as fresh and salt water. It does not contain silicone, isocyanate, halogens and solvents. The product is ISEGA certified and can be used as an adhesive in food technology. Aqua-Flex is an elastic adhesive and sealant based on MS pol..
ADHESIVE-SEALANT Aqua-Flex MS-Polymer 310ML WHITE WEICON
ADHESIVE-SEALANT Aqua-Flex MS-Polymer 310ML WHITE WEICON Ideal for wet and damp surfaces | ISEGA-certified WEICON Aqua-Flex is robust, paintable (wet-on-wet), has exceptional aging resistance and is resistant to weathering, UV rays, as well as fresh and salt water. It does not contain silicone, isocyanate, halogens and solvents. The product is ISEGA certified and can be used as an adhesive in food technology. Aqua-Flex is an elastic adhesive and sealant based on MS p..
HIGH TEMPERATURE SILICONE HT 300 310ML RED
HIGH TEMPERATURE SILICONE HT 300 310ML RED High temperature resistant | acetoxy-curing WEICON HT 300 is red, high temperature resistant (+300°C/+572°F), solvent-free, robust and acetoxy-curable. It is resistant to weathering, aging and chemicals and is extremely elastic (elongation at break of approximately 300%). The product is particularly suitable for heat-exposed connections and seals and adheres very well to steel, aluminium, glass, ceramics and many oth..
HIGH TEMPERATURE SILICONE HT 300 85ML RED
HIGH TEMPERATURE SILICONE HT 300 85ML RED High temperature resistant | acetoxy-curing WEICON HT 300 is red, high temperature resistant (+300°C/+572°F), solvent-free, robust and acetoxy-curable. It is resistant to weathering, aging and chemicals and is extremely elastic (elongation at break of approximately 300%). The product is particularly suitable for heat-exposed connections and seals and adheres very well to steel, aluminium, glass, ceramics and many other materials. The ..
OIL RESISTANT SILICONE 310 ml BLACK
OIL RESISTANT SILICONE 310 ml BLACK Permanently elastic special sealant Oil-resistant silicone is a strong and permanently elastic special sealant that cures with air humidity and practically does not shrink. It shows very good adhesion to steel, aluminum, glass, ceramics and many other materials. It has excellent resistance to temperature, oil and grease, is resistant to pressure, aging and UV radiation and is permanently elastic. The special sealant can be used for engines ..
OIL RESISTANT SILICONE 310 ml RED
OIL RESISTANT SILICONE 310 ml RED Permanently elastic special sealant Oil-resistant silicone is a strong and permanently elastic special sealant that cures with air humidity and practically does not shrink. It shows very good adhesion to steel, aluminum, glass, ceramics and many other materials. It has excellent resistance to temperature, oil and grease, is resistant to pressure, aging and UV radiation and is permanently elastic. The special sealant can be used for engines an..
OIL RESISTANT SILICONE 85ML WEICON
OIL RESISTANT SILICONE 85ML WEICON Extremely resistant to oil and grease WEICON Black-Seal is black, high-temperature resistant (+280°C/+536°F), solvent-free, robust, oil-, grease-, pressure-resistant, aging-resistant and extremely elastic (break elongation of approx. 500%) . It is suitable for bonding and sealing in applications where particularly high resistance to oil and grease is required. The product can be used on gearboxes, valve covers and housings, ..
OIL RESISTANT SILICONE UNDER PRESSURE black WEICON
OIL RESISTANT SILICONE UNDER PRESSURE black WEICON Extremely resistant to oil and grease WEICON Black-Seal is black, resistant to high temperature (+280°C/+536°F), to oils, to aging, solvent-free, strong and extremely elastic (elongation at break of approx. 500%). It is suitable for bonding and sealing in applications where particularly high resistance to oil and grease is required. The product can be used on gearboxes, valve covers and housings, oil pans, wa..
POLYURETHANE FLEX 310 M BLACK polymer harmless WEICON
POLYURETHANE FLEX 310 M BLACK polymer/harmless WEICON Suitable for universal use | ISEGA-certified WEICON Flex 310 M Classic is robust, paintable (wet on wet), sandable, has exceptional aging resistance and good UV resistance. It is resistant to fresh and salt water and does not contain silicone, isocyanate, halogens and solvents. The product is ISEGA certified and can be used as an adhesive in food technology. Flex 310 M Classic is an elastic adhesive based on MS po..
POLYURETHANE FLEX 310 M COLORLESS polymer harmless WEICON
POLYURETHANE FLEX 310 M COLORLESS polymer/harmless WEICON Crystal clear after curing | ISEGA-certified WEICON Flex 310 M Crystal is transparent, strong, paintable (wet on wet), sandable, has exceptional aging resistance and good UV resistance. Contains no silicone, isocyanate, halogens or solvents. It is ISEGA certified and can be used as an adhesive in food technology. Flex 310 M Crystal is a flexible adhesive suitable for bonding glass, PC* and acrylic glass*, meta..
POLYURETHANE FLEX 310 M FIRE RESISTANT
POLYURETHANE FLEX 310 M FIRE RESISTANT Durable elastic adhesive and sealant with fire resistance up to 120 minutes | tested and classified for all joint constructions according to EN 1366-4 Flex 310 M FireSeal is a permanent elastic SMP-based adhesive and sealant with a fire resistance of up to 120 minutes. Tested and classified for all joint constructions according to EN 1366-4. The paint-compatible sealant with very low volume shrinkage meets the highest requiremen..
POLYURETHANE FLEX 310 M GRAY polymer harmless WEICON
POLYURETHANE FLEX 310 M GRAY polymer/harmless WEICON Suitable for universal use | ISEGA-certified WEICON Flex 310 M Classic is robust, paintable (wet on wet), sandable, has exceptional aging resistance and good UV resistance. It is resistant to fresh and salt water and does not contain silicone, isocyanate, halogens and solvents. The product is ISEGA certified and can be used as an adhesive in food technology. Flex 310 M Classic is an elastic adhesive based on MS pol..
POLYURETHANE FLEX 310 M HT200
POLYURETHANE FLEX 310 M HT200 Resistant to high temperature The high temperature resistance enables the bonding and sealing of components that will then be thermally coated (powder coated). WEICON Flex 310 M HT 200 can be used in metal structures, tanks and equipment, in ventilation and air conditioning systems, wagons, containers, and vehicles. The adhesive and sealant WEICON Flex 310 M HT 200 is resistant even to high temperatures, has exceptional resistance to aging and do..
POLYURETHANE FLEX 310 M STAINLESS STEEL WEICON
POLYURETHANE FLEX 310 M STAINLESS STEEL WEICON For stainless steel, aluminum and non-ferrous metals | ISEGA-certified WEICON Flex 310 M Stainless Steel Adhesive and Sealant is non-corrosive, robust, paintable (wet-on-wet), sandable, ageing- and UV-resistant, and contains no silicone, isocyanate, halogens or solvents. The product is ISEGA certified and can be used as an adhesive in food technology. Flex 310 M Stainless Steel is an elastic adhesive based on MS polymer ..
POLYURETHANE FLEX 310 M WHITE polymer harmless WEICON
POLYURETHANE FLEX 310 M WHITE polymer/harmless WEICON Suitable for universal use | ISEGA-certified WEICON Flex 310 M Classic is robust, paintable (wet on wet), sandable, has exceptional aging resistance and good UV resistance. It is resistant to fresh and salt water and does not contain silicone, isocyanate, halogens and solvents. The product is ISEGA certified and can be used as an adhesive in food technology. Flex 310 M Classic is an elastic adhesive based on MS po..
POLYURETHANE FLEX 310 PU BLACK WEICON
POLYURETHANE FLEX 310 PU BLACK WEICON Adhesive and sealant based on PU | strong | permanently elastic | ISEGA-certified WEICON Flex 310 PU is permanently elastic, strong, paintable and resistant to weathering, ageing, fresh and sea water and is silicone free. This universal polyurethane (PUR) based adhesive and sealant can be used to bond and seal a variety of materials such as metals, plastics, ceramics, wood, glass and stone. It can be used in tanks and apparatus, ..
POLYURETHANE FLEX 310 PU GRAY WEICON
POLYURETHANE FLEX 310 PU GRAY WEICON Adhesive and sealant based on PU | strong | permanently elastic | ISEGA-certified WEICON Flex 310 PU is permanently elastic, strong, paintable and resistant to weathering, ageing, fresh and sea water and is silicone free. This universal polyurethane (PUR) based adhesive and sealant can be used to bond and seal a variety of materials such as metals, plastics, ceramics, wood, glass and stone. It can be used in tanks and apparatus, c..
POLYURETHANE FLEX 310 PU WHITE WEICON
POLYURETHANE FLEX 310 PU WHITE WEICON Adhesive and sealant based on PU | strong | permanently elastic | ISEGA-certified WEICON Flex 310 PU is permanently elastic, strong, paintable and resistant to weathering, ageing, fresh and sea water and is silicone free. This universal polyurethane (PUR) based adhesive and sealant can be used to bond and seal a variety of materials such as metals, plastics, ceramics, wood, glass and stone. It can be used in tanks and apparatus, ..
POLYURETHANE LIQUID MS FLEX 310 WHITE WEICON
POLYURETHANE LIQUID MS FLEX 310 WHITE WEICON Liquid | self-pouring | ISEGA-certified Flex 310 M Liquid is a self-flowing, one-component casting and coating compound based on polyoxypropylene. The product is permanently elastic and paintable after curing. The flexible adhesive and sealant cures without odor, is weather and UV resistant, has excellent aging resistance and is silicone free. Flex 310 M Liquid can be used in a variety of applications for bonding and sealing many d..
What are the main differences between silicone and polyurethane sealants in terms of application and performance?
Silicone sealants are known for their excellent flexibility and weather resistance, making them ideal for outdoor applications and areas exposed to moisture. They adhere well to non-porous surfaces like glass and metal. In contrast, polyurethane sealants offer superior durability and bonding strength to various materials, including wood and concrete, making them suitable for structural applications. For high-temperature scenarios, consider using High Temperature Silicone HT 300 310ML Red for enhanced performance.
How do I choose the right sealant for my specific project needs?
Choosing the right sealant depends on several factors, including the materials being bonded, the environmental conditions, and the expected movement of the joint. For projects requiring flexibility and resistance to moisture, silicone sealants are preferred. Alternatively, polyurethane sealants may be better for projects requiring strong adhesion to various substrates. For example, Two-Component Polyurethane Flex 310 M is an excellent choice for demanding applications.
What are the curing mechanisms of silicone and polyurethane sealants, and how do they affect application?
Silicone sealants typically cure through moisture in the air (acetoxy-curing), which means they require adequate humidity for proper curing. In contrast, polyurethane sealants cure through a chemical reaction between the components, leading to a stronger bond. This difference in curing mechanisms can affect application timing and conditions. For projects where moisture is a concern, consider using Adhesive-Sealant Aqua-Flex MS-Polymer 310ML White WEICON as it is ideal for wet and damp surfaces.