{"product_id":"sika-西卡-sikahyflex-250-facade-彈性密封膠","title":"Sika SikaHyflex 250 Facade","description":"\u003chr\u003e\n\u003ch2\u003eSikaHyflex-250 Facade — Low-Modulus Sealant for Concrete, Masonry \u0026amp; EIFS Facades\u003c\/h2\u003e\n\u003cp\u003eSikaHyflex®-250 Facade is a 1-component, moisture-curing, low-modulus elastic joint sealant based on i-Cure® polyurethane technology. Designed for elastic joint sealing and waterproofing of movement and connection joints in building envelopes, it is particularly suitable for EIFS facades due to its very low modulus, which minimises stress on the substrate.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1-component, moisture-curing, low-modulus elastic sealant\u003c\/li\u003e\n\u003cli\u003eExceptional movement capability: +100\/-50% (ASTM C 719) \/ ±25% (ISO 9047)\u003c\/li\u003e\n\u003cli\u003eLow stress to substrate — ideal for EIFS and thin-panel facades\u003c\/li\u003e\n\u003cli\u003eBubble-free curing\u003c\/li\u003e\n\u003cli\u003eSolvent-free, very low emissions (Emicode EC1PLUS R)\u003c\/li\u003e\n\u003cli\u003eExcellent weathering resistance (rating 10, ISO\/DIS 19862)\u003c\/li\u003e\n\u003cli\u003eGood adhesion to many substrates without primer\u003c\/li\u003e\n\u003cli\u003eOver-paintable (after full cure)\u003c\/li\u003e\n\u003cli\u003eLEED v4 EQc 2 compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEIFS facade joints — expansion and connection joints in exterior insulation systems\u003c\/li\u003e\n\u003cli\u003eConcrete and precast concrete facade joints\u003c\/li\u003e\n\u003cli\u003eMasonry facade expansion joints\u003c\/li\u003e\n\u003cli\u003eCurtain wall weather sealing\u003c\/li\u003e\n\u003cli\u003eDoor and window perimeter joints\u003c\/li\u003e\n\u003cli\u003eArchitectural decorative element joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth\u003eProperty\u003c\/th\u003e\u003cth\u003eValue\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eChemical Base\u003c\/td\u003e\u003ctd\u003ei-Cure® Technology polyurethane\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eStandards\u003c\/td\u003e\u003ctd\u003eEN 15651-1 F EXT-INT CC 25 LM \/ ISO 11600 F 25 LM \/ DIN 18540 F \/ ASTM C 920 Class 100\/50\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eDensity\u003c\/td\u003e\u003ctd\u003e~1.35 kg\/l\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eMovement Capability\u003c\/td\u003e\u003ctd\u003e±25% (ISO 9047) \/ +100\/-50% (ASTM C 719)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eShore A Hardness\u003c\/td\u003e\u003ctd\u003e~20 (after 28 days)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eSecant Tensile Modulus\u003c\/td\u003e\u003ctd\u003e~0.30 N\/mm² (23°C) \/ ~0.60 N\/mm² (-20°C)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eElongation at Break\u003c\/td\u003e\u003ctd\u003e~800%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eElastic Recovery\u003c\/td\u003e\u003ctd\u003e~80%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eTear Propagation Resistance\u003c\/td\u003e\u003ctd\u003e~5.0 N\/mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eResistance to Weathering\u003c\/td\u003e\u003ctd\u003e10 (ISO \/ DIS 19862)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eService Temperature\u003c\/td\u003e\u003ctd\u003e-40°C to +70°C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eSkin Time\u003c\/td\u003e\u003ctd\u003e~70 minutes (23°C \/ 50% r.h.)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eTooling Time\u003c\/td\u003e\u003ctd\u003e~65 minutes (23°C \/ 50% r.h.)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCuring Rate\u003c\/td\u003e\u003ctd\u003e~3 mm \/ 24 hours (23°C \/ 50% r.h.)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eColours\u003c\/td\u003e\u003ctd\u003eDark Grey, Concrete Grey, Black, Dark Amber, White, Sandstone\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePackaging\u003c\/td\u003e\u003ctd\u003e600 ml sausage, 20 per box\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVOC Content\u003c\/td\u003e\u003ctd\u003eMax. 10 g\/L\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eShelf Life\u003c\/td\u003e\u003ctd\u003e15 months (unopened, dry storage away from sunlight)\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNot suitable for swimming pools or surrounding areas\u003c\/li\u003e\n\u003cli\u003eNot for joints under water pressure or permanent water immersion\u003c\/li\u003e\n\u003cli\u003eNot for use on bituminous substrates, natural rubber, or EPDM rubber\u003c\/li\u003e\n\u003cli\u003eTest compatibility before use on natural stone\u003c\/li\u003e\n\u003cli\u003eDo not expose uncured product to alcohol-containing materials\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sika 西卡","offers":[{"title":"Default Title","offer_id":46352838000790,"sku":null,"price":1.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9027\/1382\/files\/sika-_-sikahyflex-250-facade.jpg?v=1776710772","url":"https:\/\/wahhingwp.com\/en\/products\/sika-%e8%a5%bf%e5%8d%a1-sikahyflex-250-facade-%e5%bd%88%e6%80%a7%e5%af%86%e5%b0%81%e8%86%a0","provider":"華興建築防水材料有限公司","version":"1.0","type":"link"}