Weicon Anti-Seize Assembly Spray ASA 400 is a technical spray solution developed to make assembly of fasteners operating under high loads easier and to reduce the risk of \u201cseizing\u201d during disassembly. The product forms a protective film against typical assembly problems such as corrosion, adhesion, wear, stick-slip behavior, and \u201ccold welding\u201d caused by electrolytic reactions. Thanks to its spray form, it can be applied quickly and evenly over large surfaces and is especially suitable for practical on-site use by maintenance teams. The manufacturer is WEICON GmbH & Co. KG (Germany), and the product is positioned within WEICON\u2019s range of technical sprays for assembly and maintenance.<\/p>\n
ASA 400 technical spray product description and brief technical composition
\nASA 400 is an assembly\/release lubricant based on a synthetic oil blend and leaves an anthracite-colored coating. Its formulation is stated to combine solid components and selected additives that support film strength under severe operating conditions. The product is silicone-free, which helps reduce the risk of silicone-related surface issues in processes sensitive to painting, coating, or bonding. This technical spray should not be viewed as a direct one-to-one substitute for standard lubricating oils or greases; rather, it is a complementary solution for specific assembly and release applications.<\/p>\n
ASA 400 performance characteristics and durability parameters
\nThe product is positioned to maintain its performance over a very wide temperature range and provides temperature resistance from -180 \u00b0C to +1,200 \u00b0C. Its density at 20 \u00b0C is approximately 1.16 g\/cm\u00b3, a useful indicator for anticipating film formation and surface adhesion after application. In the four-ball VKA test, the load-carrying capacity is given as 4,200 N (weld load) and 4,400 N (seizure load), supporting control of metal-to-metal contact under high pressure. Technical parameters such as compressive strength of 230 N\/mm\u00b2, thermal conductivity of 0.3 W\/m\u00b7K, and dielectric strength of 0.47 kV\/mm also help ensure reliable and predictable behavior across different industrial scenarios.<\/p>\n
Standards-based testing and field durability
\nFor ASA 400, VKA tests are reported in accordance with DIN 51350, penetration with DIN ISO 2137, and water resistance with DIN 51807, making product performance comparable. A salt spray test result stated as over 170 hours indicates it can contribute to protecting fasteners especially in humid or corrosive environments. The stated water resistance range of 0\u201390 suggests the film does not dissolve rapidly when exposed to water. The presence of ISSA and IMPA codes facilitates identification of the product within maintenance, repair, and industrial supply classifications.<\/p>\n
Storage, shelf life, and process safety notes
\nAs it is a pressurized aerosol can, it should be stored in a dry environment at room temperature and not together with oxidizing substances. It is stated that it can be stored for up to 24 months under appropriate conditions without opening the original packaging. For consistent performance, it is important not to mix the product with other oils or greases, as mixtures can make film behavior and release performance unpredictable. As with this type of technical spray, basic workplace safety practices such as ventilation and personal protective equipment should be treated as a standard part of use.<\/p>\n
Application method, surface compatibility, and sector-based use cases
\nBefore application, cleaning the surface from dirt and grease is recommended; if necessary, used bolts can be mechanically cleaned with a wire brush and then degreased. Before use, shake the can and spray evenly from about 15 cm to create a uniform film; for threaded connections, ensuring penetration down into the thread roots is critical for sealing behavior and easy disassembly. The product can be used on metal surfaces such as steel, stainless steel, and cast iron during assembly and disassembly; in flange-bolt systems; on studs and nuts; on connections exposed to temperature cycling; and as a general-purpose release\/protective aid in maintenance workshops. It offers a practical technical spray alternative for reducing \u201cseizing\/cold welding\u201d issues commonly encountered in the energy and process industries (steam lines, furnace equipment, heat exchanger connections), automotive and heavy vehicle maintenance (exhaust joints and high-heat areas), metalworking and moldmaking (serviceable connections and equipment maintenance), maritime and port operations (fasteners in salty environments), and heavy-duty plants such as mining and cement.<\/p>\n","protected":false},"excerpt":{"rendered":"
This technical spray helps reduce the risk of seizing and corrosion by lubricating fasteners during assembly. It provides practical application and easier disassembly for the maintenance, assembly, and removal of bolts and nuts, flanges, and parts exposed to high heat.<\/p>\n","protected":false},"featured_media":4622,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[326],"product_cat":[310,225],"product_tag":[],"class_list":["post-5317","product","type-product","status-publish","has-post-thumbnail","product_brand-weicon","product_cat-assembly-sprays","product_cat-technical-sprays","first","instock","sale","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product\/5317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/comments?post=5317"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/media\/4622"}],"wp:attachment":[{"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/media?parent=5317"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product_brand?post=5317"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product_cat?post=5317"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product_tag?post=5317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}