This highstrength silicone rubber cures at room temperature through an additionreaction cure in. Dow corning hs iv rtv high strength moldmaking silicone. Like onecomponent rtv silicone rubbers, twocomponent rtv silicone rubbers have outstanding electrical properties and resistance to heat and cold, while also offering improved deepsection curability and storage stability. Silicone rubber s special features such as organosiloxanes polymer has been originated from its unique molecular structure that they carry both inorganic and organic properties unlike other organic rubbers.
Pdf mechanical properties and thermal stability of epoxyrtv. Permatex ultra copper is the most advanced high performance, high temperature up to 700 f intermittent rtv gasket available. Rtv silicone rubber for moldmaking shinetsu silicone. Pourable silicone rubber rtv silicone rubber has a liquid consistency and molecular weights in the range of 1020 kda. Dow corning hs iv rtv high strength moldmaking silicone rubber was developed especially for applications requiring extremely low durometer rubber with excellent strength. Silicone rubber is universally regarded as the bestinclass elastomer for extreme environments. Material safety data sheet msds common name synonym trade name manufactured for validation date in case of emergency section 1. Catalog number description rtv116300ml rtv116 12ttube 0. Low molecularweight siloxane and electrical contact failures.
Our momentive rtv 100 series silicone is a collection of a few different colours of silicone that all share the same outstanding properties and characteristics. At shinetsu, were developing rtv rubber products that contribute to more comfortable living and to advancements in ecofriendly electronics technology. Box 1209 buford, ga 30515 we are iso9001 and as9120 certified a small disadvantaged women owned business. Silastic rtv4230e silicone rubber dow chemical company. With the exception of rtv and liquid curing systems, silicone. Silicone oils are present in all silicone rubber compounds as either a precursor or as the oil commonly used to incorporate ingredients into the rubber. Types of rtv silicone rubber viscosity and workability curing reactions. Shinetsu silicone s electrical, electronic and general industrial use rtv silicone rubber, in liquid or paste form, has been developed primarily for the gluing, sealing, and potting of electrical and electronic equipment. Packaging and dispensing rtv adhesive sealants from momentive performance materials are supplied readytouse in collapsible aluminum squeeze. Recommendations for pump selection and assistance in converting lines from other silicone systems to the. Power utilities, heavy industry captive power, technical consultants and academics are. In addition, silicone rubber is one of the most permeable elastomers. These include rtv 102 white, rtv 103 black, rtv 108 translucent and rtv 109 aluminium.
Rtv silicone rubber matrix for the virgin samples 30. Cure types,basic formulations,applications,catalyst types and blending methods will all be discussed. Ge advanced materials silicones rtv silicone rubber dc products. In other words, due to the sio bond of silicone rubber and its inorganic properties, silicone rubber was superior to ordinary organic rubbers in terms of heat resistance. No matter the colour, all rtv 100 series silicones are. Rtv silicone rubbers for electrical, electronic and general industrial use. Pdf silicone rubbers special features such as organosiloxanes polymer has. Sil rtv122, rtv123 and rtv128 adhesive sealants are onecomponent, readytouse, and cure to a tough, resilient silicone rubber on exposure to atmospheric moisture at room temperature. Pourable silicone rubber rtv silicone rubber has a liquid consistency and molecular weights in. Room temperature vulcanizing rtv silicones wacker chemie ag. Material safety data sheet msds rtv silicone sealant. Silicone technology is a wide and mature science spanning the gamut of materials from commodity lubricants to high performance defense coatings.
The product resists aging, weathering and thermal cycling without hardening, shrinking or cracking. This property is a key advantage for silicone rubber in many design situations. Hightemp rtv silicone gasket is a single component, room temperature vulcanizing gasketing compound designed to provide reliable formedplace in gaskets for mechanical assemblies. The electronicgrade silicone adhesive sealant differ. These surfaces include glass, ceramic and many metals, some rigid plastics and silicone rubber. Uv cure silicone rubber belongs to a new class of rubber that offers high cure speed at low temperatures. Rtv silicone rubber curing agents product workshop ge silicones rtv silicone rubber curing agents applications dbt dibutyl tin dilaurate is the liquid curing agent generally preferred for most applications.
Adhesives sealants rtv silicones products mg chemicals. Abstract rubber composites were prepared for elastomer slab by mixing barium titanate batio3, carbon nanotube cnt, carbon black cb, and roomtemperaturevulcanized rtv silicone rubber. Most sheet products have a high surface to volume ratio and relatively short diffusion distances. Make silicone rubber molds easily and quickly by mixing the base compound with a curing agent and then pouring it into a mold. Uv cure silicone rubber healthcare products momentive. Ge advanced materials silicones rtv silicone rubber. The fine properties of silicone rubber 15 2 meeting the increasingly diverse and sophisticated needs of industry with the unique properties of silicone rubbers the main ingredients of shinetsus silicone rubber compounds are unique raw silicone rubber gum and highpurity silica. This rubber can be processed via injection molding with special molds, or via extrusion without additional heat to cure.
The characteristics that are of particular interest are those resulting not from additives or surface treatment, but from the polymer and filler structure themselves. It cures to a tough,flexible rubber when exposed to moisture. Rtv 4500 adhesivesealants adhere to many clean surfaces without the use of primers. Introduction silicon rubber s superior high temperature stability, excellent electrical insulation properties, and general resistance to chemicals, oil and water make it useful in various industrial. Silicone polymers for solid silicone rubber htv silicone rubber have molecular weights of 500 kda, yet exhibit a pasty consistency. Rtv insulator coatings are being recognized as perhaps the most effective methods to eliminate pollution flashovers on ceramic insulators of up to 1200kv. Twocomponent rtv silicone rubber compounds cure by adding a specified amount of a curing agent to the base compound. Shinetsus rtv silicone rubber for moldmaking is an excellent material that can be used to make replicas with a wide variety of different materials including polyester and epoxy resins, urethane foam, wax, gypsum and lowtemperature composite. Rtv408 neutral cure silicone spec data sheet product name crl rtv408 onecomponent silicone elastomeric sealant. Black, flame retardant,one component silicone sealant product descriptionrtv 3 black, onecomponent, readytouse, silicone rubber adhesive sealant is recommended for evaluation in applications in the electronic, aerospace, appliance, transportation and other industries where resistance to burning of the finished product is a. Always allow maximum cure time available for best results. Rtv twocomponent silicone rubber which contains structurally modified hydrophobic fumed silicas which have vinyl groups fixed on the surface, further hydrophobic groups, such as trimethylsilyl andor dimethylsilyl andor monomethylsilyl groups, additionally being fixed on the surface.
After the temperature cycling treatment, the surface microstructure of the samples is altere d, and the roughness of their surfaces changes. Uv light initiates crosslinking through a photochemical reaction rather than heat. Chemical resistance of rtv silicone rubber in answer to questions regarding the effects of solvents and industrial chemicals on r tv silicone rubber, the following data have been compiled. It is supplied in readytouse with a base compound and dbt dibutyl tin dilaurate as the standard curing agent. Primerless adhesion to the following common building. Weigh out the rtv silicone rubber base compound and add the appropriate amount of curing agent. This moldmaking rtv silicone rubber can be counted on to. Characteristic properties of silicone rubber compounds. Silicones are, in general, chemically inert and are attacked by only a very few common materials. Product description crl rtv408 is a neutral cure,medium modulus silicone sealant. Rtv 122 white rtv 123 black rtv 128 translucent key performance. Rtv silicone rubber curing agents product description. Rtv adhesivesealants will also produce fair bonds to some flexible plastics that do not contain migratory plasticizers, and too many organic rubber materials. Rtv silicone is a liquid silicone rubber developed for potting, adhesion, sealing, and coating for use in electronic, electrical, automotive, and general industrial applications.
This paper will give an overview of the basic technology and classes of silicone fluids. The permeability characteristics of silicone rubber. Ge advanced materials silicones applies its many years of experience and technical excellence in. Tinsil products consist of a liquid part b base and part a accelerator, which, after mixing at the proper ratio by weight, cure at room temperature to rubber with a tough, knotty tear property. Black, flame retardant,one component silicone sealant.
The cure of silastic rtv 4230e silicone rubber occurs by a. Select a mixing container 4 to 5 times larger than the volume of rtv silicone rubber compound to be used. Momentive rtv 100 series silicone technical data sheet. Tinsil 70 series rtv silicone rubbers are condensationcure, tincatalyzed, flexible mold rubbers. Seals, bonds, repairs, mends and secures glass, metal, plastics, fabric, vinyl, weather stripping and vinyl tops. Dowsil xti1003 rtv silicone rubber insulation is a twopart silicone rubber designed as a flexible material which maintains excellent stability even in extreme conditions. Depending on the curing method, the viscosity of the base polymer and the curing temperature, silicones are classified as follows. Rtv silicone is a liquid silicone rubber developed for potting, adhesion, sealing, and coating for use in electronic, electrical, automotive, and general industrial.
In this doe up to 2 phr of extra silicone oil is added to the rubber, which is. Black, one part, acetoxy cure, oil resistant, silicone rtv sealant an excellent candidate for automotive formedinplace gasketing applications where good oil. Silicone rubber features a distinctive range of properties that distinguish it from other elastomers. Silicone rubber curing agent should be mixed into the base material just before use with either manual or mechanical stirring in the. Dow corning hs iv rtv high strength moldmaking silicone rubber is a twopart elastomer with a low mixed viscosity. Dowsil xti1003 rtv silicone rubber insulation technical.
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