Rubber / Elastomer Industrial Sealants
from Ellsworth Adhesives
3M Weatherstrip Adhesive 08011 Black is a rubbery past that is used for weather stripping and bonding metal, rubber, gaskets, fabrics, and seals. It is flexible, durable, easy to apply, waterproof, and resistant to creeping, grease, solvents, and oil. 5 oz Tube. [See More]
- Substrate Compatibility: Metal; Rubber or Elastomer; Textiles or Fabrics
- Viscosity: 7500 to 18000
- Cure / Technology: Single Component
from Master Bond, Inc.
MasterSil 157 is a two part system for potting, encapsulation and sealing applications. This optically clear formulation features a low index of refraction and excellent light transmittance. Highly flexible, it is capable of withstanding the most rigorous thermal cycling and mechanical shock. These... [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Silicone
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing; Addition Cure
from Ellsworth Adhesives
Bostik Epoxy Adhesive 7575 Clear is a two component, structural adhesive that is used for bonding phenolic plastics, glass, wood, masonry, rubber, ceramics, metal, and polyesters. It is typically used for sealing electrical components, encapsulation, and potting applications. It offers fast cure... [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Metal; Plastic; Rubber or Elastomer; Wood
- Cure / Technology: Two Component
- Chemical System: Epoxy
- Viscosity: 12000 to 16000
from Master Bond, Inc.
Master Bond Polymer System EP22 is an aluminum filled, two component epoxy adhesive for high performance bonding, sealing, and coating. It is formulated to cure at room temperature or more rapidly at elevated temperatures, with a non-critical one-to-one mix ratio by weight or volume. The EP22... [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates; Metal/Plastic/Glass/Ceramic/Elast.&Wood
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Ellsworth Adhesives
Dow DOWSIL ™ 93-006-1 RF Aerospace Sealant is a two component, room temperature curing, silicone elastomer that is used for bonding to primed surfaces such as glass, metals, polyester, epoxies, cured silicone rubber, and silicone resin laminates. It offers short working times, high viscosity... [See More]
- Substrate Compatibility: Rubber or Elastomer
- Cure / Technology: Two Component
- Chemical System: Silicone
- Industry: Aerospace
from Master Bond, Inc.
EP36FR is a one component, high performance epoxy that meets the Airbus standards from ABD0031, Issue F, June 8, 2005 for flame retardancy. It is used in all kinds of aircraft applications where protection is needed from flames, smoke and materials that might burn. [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Single Component
from Ellsworth Adhesives
Eclectic Amazing GOOP Adhesive Clear is an all purpose, toluene based adhesive that is used for bonding, sealing, and repairing plastics, metal, rubber, leather, brick, porcelain, glass, vinyl, and wood. It is flexible, versatile, and resistant to vibrations, water, dilute bases and acids. 3.7 oz... [See More]
- Substrate Compatibility: Concrete, Masonry; Metal; Plastic; Rubber or Elastomer
- Viscosity: 100000
- Cure / Technology: Single Component
- Tensile (Break): 3800
from Master Bond, Inc.
MasterSil 973S-LO is a two component, silver filled silicone with superb electrical and thermal conductivity. Its exceptionally low volume resistivity allows it to be used for many different applications involving bonding, sealing and coating. It is a paste like system with minimal flow. Its... [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Filled
- Chemical System: Silicone
- Cure / Technology: Thermoset; Two Component ; Addition Cure
from Ellsworth Adhesives
HARDMAN DOUBLE/BUBBLE 4030 Silicone is Translucent White in color, one component, moisture curing sealant that is used for bonding and sealing non-porous substrates such as plastics, metal, glass, ceramics, wood, and stone. It is a flexible, durable, thixotropic paste. 3.5 g Packet. [See More]
- Substrate Compatibility: Rubber or Elastomer
- Cure / Technology: Single Component
- Chemical System: Silicone
- Tensile (Break): 250
from Master Bond, Inc.
EP35SP is a two component epoxy system specially formulated to resist high temperatures and aggressive chemicals. It has a paste viscosity with little to no flow when curing. [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Ellsworth Adhesives
Henkel Loctite 4902 Flexible Cyanoacrylate Adhesive Clear is used for the assembly of flexible medical devices and bonding to substrates such as metal, plastic, and rubber. It has excellent sealing properties, fast humidity cure, and high strength flexing bond lines. It also meets ISO 10993... [See More]
- Substrate Compatibility: Metal; Plastic; Rubber or Elastomer
- Cure / Technology: Single Component
- Chemical System: Cyanoacrylate
- Industry: Sanitary
from Master Bond, Inc.
Master Bond EP30LTE-2 is a two part epoxy with an extraordinarily low coefficient of thermal expansion (CTE).It is used for bonding, sealing, coating and encapsulating. [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing
from Ellsworth Adhesives
Henkel Loctite SI 5083 is a one component, high strength, UV cured silicone. It is used for potting, coating and sealing of various electronic, automotive, military, and industrial components. 300 mL Cartridge. [See More]
- Substrate Compatibility: Metal; Plastic; Rubber or Elastomer; Wood
- Cure / Technology: Single Component
- Chemical System: Silicone
- Features: Encapsulant, Potting Compound
from Master Bond, Inc.
EP40Med is a two component, room temperature curing epoxy with high elongation that passes ISO 10993-5 for cytotoxicity. It features exceptional adhesion to polycarbonates and acrylics. [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing
from Ellsworth Adhesives
HumiSeal ® 1B51NS Synthetic Rubber Conformal Coating is a one component, fast curing synthetic rubber coating that offers low moisture vapor permeability, flexibility, and low stress on components. It contains a methylcyclohexane solvent which is more environmentally friendly than most standard... [See More]
- Substrate Compatibility: Rubber or Elastomer
- Cure / Technology: Single Component
- Chemical System: Elastomeric
- Features: Encapsulant or Conformal Coating
from Master Bond, Inc.
Master Bond Polymer Adhesive EP51 is a fast "5 minute" curing two component epoxy adhesive for general purpose bonding formulated to cure at room temperature with a one-to-one mix ratio by weight or volume. It readily develops a high bonding strength of more than 2000 psi at room temperature. The... [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Metal/Plastic/Glass/Ceramic/Elast.&Wood
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Ellsworth Adhesives
HumiSeal ® 1B51NS Synthetic Rubber Conformal Coating is a one component, fast curing synthetic rubber coating that offers low moisture vapor permeability, flexibility, and low stress on components. It contains a methylcyclohexane solvent which is more environmentally friendly than most standard... [See More]
- Substrate Compatibility: Rubber or Elastomer
- Cure / Technology: Single Component
- Chemical System: Elastomeric
- Features: Encapsulant or Conformal Coating
from Master Bond, Inc.
Master Bond Polymer System EP31 is a two component room temperature curing epoxy for high performance structural bonding applications featuring lap shear strengths exceeding 4500 psi. In addition, unlike many structural epoxies, EP31 also has a high peel strength exceeding 40 pli. The service... [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates; Metal/Plastic/Glass/Ceramic/Elast.&Wood
- Cure / Technology: Thermoset; Two Component
- Chemical System: Epoxy
- Type / Form: Grease, Paste
from Master Bond, Inc.
Master Bond Polymer System EP45HT is a two component epoxy system for high performance structural bonding and casting. It is suitable for applications where long term exposure to temperatures from -80 °F to +500 °F is required. lt is 100% reactive and does not contain any solvents or... [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer Adhesive EP33 is a unique room temperature curing two component epoxy adhesive for high temperature bonding applications. It is formulated to cure at room temperature or more rapidly at elevated temperatures. Master Bond Polymer Adhesive EP33 produces high strength bonds whose... [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates; Metal/Plastic/Glass/Ceramic/Elast.&Wood
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP29LP is a two component high performance epoxy resin system featuring low viscosity, long pot life and low exotherm. As an adhesive this versatile material will form bond strengths in excess of 2,500 psi (aluminum to aluminum). It bonds well to a variety of substrates... [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Optical Fibers and Reinforcements
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP29LPSP is a two component, high performance, modified low temperature heat cured epoxy system specially formulated for cryogenic applications. Not only is EP29LPSP able to function as an adhesive, sealant and protective coating at temperatures as low as 4K, but it is... [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP112 is a solventless, low viscosity two component cycloaliphatic epoxy resin system which is specifically designed for high performance outdoor and indoor electrical/electronicc/ structural applications. The two components are combined in a convenient noncritical mix... [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond EP30NS is a nano silica filled epoxy system featuring high abrasion resistance. It has exceptional dimensional stability and low shrinkage upon curing of less than 0.01%. EP30NS is optically clear and meets NASA low outgassing specifications. [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing
from Master Bond, Inc.
EP42-2LV Black is a two component, room temperature curing epoxy compound featuring low viscosity and superior chemical resistance. It meets NASA low outgassing specifications, is black in color and optically opaque. [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing
from Master Bond, Inc.
Master Bond Polymer System EP76M is a two component, nickel filled, electrically conductive adhesive for high performance bonding, sealing, and coating formulated to cure at room temperature or more rapidly at elevated temperatures. Unlike the majority of two part nickel conductive systems, EP76M... [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Rubber or Elastomer
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Supreme 17HT is a one component toughened epoxy for bonding and sealing. It has a moderate viscosity system with good flow properties. [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Single Component
from Master Bond, Inc.
Master Bond Polymer System EP36 is a unique one component high performance toughened epoxy system for electrical potting, casting, encapsulation, baked coatings and adhesive applications. It features an outstanding combination of properties including high temperature stability up to 500 °F,... [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Single Component
from Master Bond, Inc.
Master Bond UV10TK40M is a higher viscosity, one part UV system for bonding, sealing and coating with good optical clarity, excellent physical properties and a high glass transition temperature. [See More]
- Substrate Compatibility: Ceramic, Glass; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates
- Cure / Technology: Thermoset; UV or Radiation Cured; Single Component; UV curing system
- Composition: Unfilled
- Type / Form: Liquid
from Sauereisen, Inc.
Sauereisen No. F-370 is a catalyzed hydrophobic polyurethane liquid. No. F-370 expands when it meets any source of water or moisture before curing. No. F-370 adheres tenaciously to practically any substrate - wet or dry. Grout No. F-370 is used to stop leakage through cracked or honeycombed... [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Composites; Metal; Paper or Paperboard; Plastic; Porous Surfaces; Rubber or Elastomer; Textiles or Fabrics; Wood; Dissimilar Substrates; Practically any Substrate Wet or Dry
- Composition: Unfilled
- Chemical System: Polyurethane
- Cure / Technology: Reactive or Moisture Cured
from Shiu Li Technology Co., Ltd
LiPOLY HC-93 is a stereoscopic thermal conductive silicone rubber cap as substrate through a special production process. Due to its excellent characteristic of high thermal conductivity, insulation, shockproof and convenient assembly, it is widely used in heat transistor refer to TO220 / TO3P,... [See More]
- Substrate Compatibility: Rubber or Elastomer
- Type / Form: Sheet or Film
- Chemical System: Silicone
- Features: High Dielectric; Gap Filler, Foam in Place Gasket; Thermally Conductive; UL Rating
from Wacker Chemical Corp.
ELASTOSIL ® A 95 GRY is a one part thixotropic sealant intended for use where a. soft, high elongation material is desired. ELASTOSIL ® A 95 GRY is particularly effective as an adhesive in applications where the bonded joint is subjected to relatively large movements in service. [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Metal; Plastic; Rubber or Elastomer
- Cure / Technology: Thermoset; Single Component; Room Temperature Vulcanizing or Curing
- Chemical System: Silicone
- Type / Form: Grease, Paste
from ThreeBond International, Inc.
Room-Temperature-Vulcanizing Silicone, or Silicone RTV's are used for sealing inner fluids via application to the joint surfaces of various flanges, screws, etc. ThreeBond silicones form a rubber elastic bond that have excellent vibration absorption, as well as chemical, shock and heat resistance. [See More]
- Substrate Compatibility: Rubber or Elastomer
- Cure / Technology: Single Component; Reactive or Moisture Cured; Room Temperature Vulcanizing or Curing
- Chemical System: Silicone
- Industry: Automotive
from Hi-Tech Seals, Inc.
Classic cyanoacrylates are represented by the ethyl and methyl chemistries. Generally, the methyls offer better bond strengths on metals, the ethyls providing better strengths on everything else. Substrate selection and bond line configuration directly influence adhesive performance. [See More]
- Substrate Compatibility: Ceramic, Glass; Metal; Paper or Paperboard; Plastic; Rubber or Elastomer; Textiles or Fabrics
- Cure / Technology: Single Component; Room Temperature Vulcanizing or Curing
- Chemical System: Cyanoacrylate
- Type / Form: Liquid
from Phelps Industrial Products
Phelps Style 9750 is a Contact Cement that provides a long bonding range and excellent initial strength. Ideal for plastic laminates, paper honeycomb, rubber, cloth, metal and wood. Meets requirements of Mil-A-1154C, Mil-A-21366 and MMM-A-121. Ensure both surfaces are clean and dry. Apply coating to... [See More]
- Substrate Compatibility: Metal; Plastic; Rubber or Elastomer; Textiles or Fabrics; Wood; Dissimilar Substrates; Paper
- Type / Form: Liquid
- Cure / Technology: Air Setting / Film Drying
- Features: Solvent Based
from Henkel Corporation - Industrial
Gun grade, thick polyurethane recommended for sealing and caulking applications, particularly in movable joints and exterior environments. LOCTITE ® UR 7001 is a gray, gun grade, thick polyurethane recommended for sealing and caulking applications, particularly in movable joints and exterior... [See More]
- Substrate Compatibility: Rubber or Elastomer
- Type / Form: Liquid
- Chemical System: Polyurethane
- Features: Caulk, Grout
from Rhino Linings USA, Inc. / Industrial Division
High resistance to acids, hydrolysis and salt spray, [See More]
- Substrate Compatibility: Composites; Metal; Plastic; Rubber or Elastomer; Wood
- Type / Form: Liquid
- Chemical System: Elastomeric; Polyurethane
- Industry: Aerospace; Automotive; Marine; Military; OEM or Industrial; Petrochem, Mining, Material Handling
from Reid Supply
Sealants are used to repair, patch or fix imperfections and small gaps in a variety of applications. . 16 oz Gorilla Waterproof Patch and Seal Spray - Black. [See More]
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Metal; Rubber or Elastomer; Textiles or Fabrics; Wood; Metal, Concrete, Wood, Aluminum, Brick, Tile, Fabric, Rubber, Glass
- Features: Gap Filler, Foam in Place Gasket
from Acoustical Solutions, Inc.
FireStop Putty Pads provide acoustical protection for wall penetrations in the form of a release lined pad for easy application to electrical boxes or other penetrates. The pad is conveniently sized to fit a typical 1 ½" deep 4S box with no cutting or piercing required. Faced on both sides with a... [See More]
- Substrate Compatibility: Metal; Plastic; Rubber or Elastomer
- Type / Form: Grease, Paste
- Cure / Technology: Single Component
- Features: Flexible; Flame Retardant; Gap Filler, Foam in Place Gasket; UL Rating
from Shiu Li Technology Co., Ltd
LiPOLY SP is a stereoscopic thermal conductive silicone rubber cap as substrate through a special production process. Due to its excellent characteristic of high thermal conductivity, insulation, shockproof and convenient assembly, it is widely used in heat transistor refer to TO220 / TO3P, diode,... [See More]
- Substrate Compatibility: Rubber or Elastomer
- Type / Form: Sheet or Film
- Chemical System: Silicone
- Features: High Dielectric; Gap Filler, Foam in Place Gasket; Thermally Conductive; UL Rating
from ThreeBond International, Inc.
ThreeBond aftermarket automotive sealants are ideal for quick and easy flat repairs, as well as, for use on cracked and broken motorcycle fairings, tabs, and plastic parts. Our automotive sealants and coatings are excellent for improving the aesthetic appearance of, and protection of a vehicle... [See More]
- Substrate Compatibility: Plastic; Rubber or Elastomer
- Industry: Automotive
- Chemical System: Wax
from Hi-Tech Seals, Inc.
The Quantum ® group of HERNON ® cyanoacrylates offers specialized performance attributes. This range of grades has been engineered to provide solutions to specific cyanoacrylate challenges. Three categories are offered: surface insensitive, toughened, and low odor-low blooming. [See More]
- Substrate Compatibility: Ceramic, Glass; Metal; Paper or Paperboard; Plastic; Rubber or Elastomer; Textiles or Fabrics
- Cure / Technology: Single Component; Room Temperature Vulcanizing or Curing
- Chemical System: Cyanoacrylate
- Type / Form: Liquid
from Henkel Corporation - Industrial
Oxime silicone paste sealant used for sealing and bonding electrical/electronic components which offers resistance to moisture, chemicals and UV. LOCTITE ® SI 5011CL is a clear, oxime silicone paste sealant used for sealing and bonding electrical/electronic components which offers resistance to... [See More]
- Substrate Compatibility: Ceramic, Glass; Rubber or Elastomer; Wood
- Cure / Technology: Single Component; Room Temperature Vulcanizing or Curing
- Chemical System: Silicone
- Use Temperature: 75 to 500
from Acoustical Solutions, Inc.
SSP Firestop Putty is perfect for metallic conduits, telephone, data or electrical power cable penetrations. A variety of sleeved and non-sleeved applications have been tested and proven providing the ultimate in installation versatility. Non-hardening and reusable, SSP Firestop Putty addresses the... [See More]
- Substrate Compatibility: Metal; Plastic; Rubber or Elastomer
- Type / Form: Grease, Paste
- Cure / Technology: Single Component
- Features: Flexible; Flame Retardant; Gap Filler, Foam in Place Gasket; UL Rating
from Shiu Li Technology Co., Ltd
LiPOLY TP200 is a stereoscopic thermal conductive silicone rubber cap as substrate through a special production process. Due to its excellent characteristic of high thermal conductivity, insulation, shockproof and convenient assembly, it is widely used in heat transistor refer to TO220 / TO3P,... [See More]
- Substrate Compatibility: Rubber or Elastomer
- Type / Form: Sheet or Film
- Chemical System: Silicone
- Features: High Dielectric; Gap Filler, Foam in Place Gasket; Thermally Conductive; UL Rating
from Hi-Tech Seals, Inc.
HERNON ® offers a complete line of structural acrylic adhesives. These systems are two-part, no mix, and reactive adhesives. Each acrylic adhesive has two components: the adhesive base or resin, and the Activator. Structural acrylic adhesives are termed “reactive ” cure systems. The... [See More]
- Substrate Compatibility: Ceramic, Glass; Metal; Plastic; Rubber or Elastomer; Textiles or Fabrics; Wood
- Cure / Technology: Two Component ; Reactive or Moisture Cured
- Chemical System: Acrylic
- Type / Form: Liquid
from Henkel Corporation - Industrial
Designed to repair rubber, urethane, PVC and other parts quickly and durably. Unique for its exceptional handling, curing and performance properties LOCTITE ® PC 7393 is an adhesive, sealant and repair compound all in one convenient, self-mixing belt repair system designed to repair rubber,... [See More]
- Substrate Compatibility: Ceramic, Glass; Metal; Plastic; Rubber or Elastomer
- Cure / Technology: Two Component
- Chemical System: Polyurethane