{"id":591,"date":"2016-11-25T11:01:49","date_gmt":"2016-11-25T10:01:49","guid":{"rendered":"http:\/\/www.silikonypolskie.pl\/strona-glowna\/kauczuki-silikonowe-do-wyrobu-elastycznych-form\/"},"modified":"2017-02-15T22:50:21","modified_gmt":"2017-02-15T21:50:21","slug":"kauczuki-silikonowe-do-wyrobu-elastycznych-form","status":"publish","type":"page","link":"https:\/\/www.silikonypolskie.pl\/en\/strona-glowna-2\/kauczuki-silikonowe-do-wyrobu-elastycznych-form\/","title":{"rendered":"Silicone rubber for mould making"},"content":{"rendered":"<p>POLASTOSIL\u00ae and GUMOSIL<strong>\u00ae<\/strong> are two-component silicone rubbers which cure at room temperature in a polycondensation and polyaddition systems after addition of liquid catalyst. Silicone moulding rubber finds many applications across a wide range of industries using various casting mediums. Main areas of application:<\/p>\n<p>\u2022 decorations, stuccowork: castings, coiling roses, figurines, decorative candles, statuettes,<\/p>\n<p>\u2022 renovation of architectural monuments: making moulds for monuments, archaeological fossils, etc.,<\/p>\n<p>\u2022 ceramics: standards and moulds for artistic, home-based and industrial making of ceramic and porcelain products,<\/p>\n<p>\u2022 artistic products: sculptures, masks, special decorative elements, figurines, bas-reliefs,<\/p>\n<p>\u2022 technology: prototypes and components for leak tests and corrosivity checking, making moulds for technical and industrial applications (e.g. automotive components, audio-video equipment, household products),<\/p>\n<p>\u2022 building industry: facade tiles, fireplaces imitating natural stone, stucco, garden structures such as e.g. ornamental garden ponds, fountains, statuettes, etc.,<\/p>\n<p>\u2022 pad printing: making of pads,<\/p>\n<p>\u2022 shoe making: making moulds for shoe soles, production of artificial leather,<\/p>\n<p>\u2022 metal casting: jewellery, decorative products,<\/p>\n<p>\u2022 prosthetics.<\/p>\n<p>&nbsp;<\/p>\n<p>Properties of RTV-2 silicone rubbers Silicone rubbers are characterized by large range of hardness and elasticity, high tensile and tear strength, high chemical and thermal resistance, low linear shrinkage and excellent reproduction. Working temperature of two-component rubber (RTV-2) is within the temperature range from -50\u00b0 C to 180\u00b0 C. Our offer include also silicone rubber with higher temperature resistance (up to 300 \u00b0 C) under the trade name <strong>Gumosil \u00ae T<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p>The system of crosslinking conditions the differences between the rubbers e.g. the rubbers which undergo condensation type crosslinking are very insensitive to (resistant to contamination); their vulcanisation time can be only slightly shortened by increasing the temperature. On the other hand, the additive rubbers show considerable increase of vulcanisation rate at an increased temperature. However, the drawback of the additive rubbers is that they are very sensitive to contamination; there is a possibility of \u201eintoxicating\u201d the catalyst by contact with such compounds as: amines, amine compounds, polyurethane, epoxide resins, sulphur, compounds containing sulphur \u2013 natural and synthetic rubber.<\/p>\n<p>&nbsp;<\/p>\n<p>Silicone rubbers are physiologically neutral. They have excellent resistance to UV radiation, ozone and atmospheric factors. Due to their light colour, possibly their transparency, they are easily dyed to any colour. They also have very good gas permeability and are characterized by good electrical properties. Electrical resistance is about 10<sup>15<\/sup> \u03a9 cm; resistance to breakdown is approximately 20 kV for 1 mm plate. It is possible to obtain rubbers having a hardness from 20 to 65\u00b0 ShA and a density from 1.1 to 1.25 g\/cm<sup>3<\/sup>. \u00a0 In comparison to organic rubber, the silicone rubber shows very small viscosity in a room temperature. It is characterized by good mechanical parameters:<\/p>\n<p>\u2022 tensile strength: from 1 to 8MPa<\/p>\n<p>\u2022 elongation at break: from 100 to 650%<\/p>\n<p>\u2022 linear shrinkage from 0.1 to 2%<\/p>\n<p>&nbsp;<\/p>\n<p>The last of the above-mentioned parameters is of particular importance when negatives of very small parts are made. Lower linear contraction enables more precise representation of a given part. Silicone rubber is in increasing demand in those areas of application where good dampening characteristics and a very high rubber compressibility ratio are required.In electrical engineering the rubber is used as a noise dampening element between winding and a core in some types of transformers.<\/p>\n<p>&nbsp;<\/p>\n<p>Many synthetics and natural materials can be formed in rubber moulds:<\/p>\n<p>\u2022 natural or synthetic wax,<\/p>\n<p>\u2022 resins: filled polyesters, stiff or semi-stiff polyurethanes, epoxides,<\/p>\n<p>\u2022 elastomers: silicone rubbers, polyurethanes, etc.,<\/p>\n<p>\u2022 concrete with fillers, ornamental plaster works,<\/p>\n<p>\u2022 metal of low melting temperature,<\/p>\n<p>\u2022 gypsum.<\/p>\n<p>&nbsp;<\/p>\n<p>The Company also produce rubbers that are used for protecting electric and electronic systems (including such systems installed in small size motors) as well as transistor systems against impact of external factors such as: moisture, dust, precipitation, etc. These rubbers are marketed under <strong>POLASTOSIL\u00ae M-60<\/strong>, <strong>POLASTOSIL\u00ae M-2000<\/strong> and <strong>POLSIL\u00ae MV AB, POLSIL\u00ae MV AB\/S<\/strong> trade names. RTV-2 silicone rubbers can be used to make mouldings on vertical surfaces by employing thixotroping agent: <strong>Gumosil \u00ae PC 12<\/strong>\u2013 for polycondensation silicone rubber Gumosil \u00ae WW, Gumosil \u00ae K, Gumosil \u00ae M, Gumosil \u00ae S. <strong>Gumosil \u00aeAD\/C<\/strong> for polyaddition silicone rubber Gumosil \u00ae AD-1, Gumosil \u00ae AD-4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>POLASTOSIL\u00ae and GUMOSIL\u00ae are two-component silicone rubbers which cure at room temperature in a polycondensation and polyaddition systems after addition of liquid catalyst. Silicone moulding rubber finds many applications across a wide range of industries using various casting mediums. Main areas of application: \u2022 decorations, stuccowork: castings, coiling roses, figurines, decorative candles, statuettes, \u2022 renovation [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":587,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-591","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Silicone rubber for mould making - Silikony Polskie<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silikonypolskie.pl\/en\/strona-glowna-2\/kauczuki-silikonowe-do-wyrobu-elastycznych-form\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Silicone rubber for mould making - Silikony Polskie\" \/>\n<meta property=\"og:description\" content=\"POLASTOSIL\u00ae and GUMOSIL\u00ae are two-component silicone rubbers which cure at room temperature in a polycondensation and polyaddition systems after addition of liquid catalyst. Silicone moulding rubber finds many applications across a wide range of industries using various casting mediums. 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