{"id":19887,"date":"2025-01-12T09:29:36","date_gmt":"2025-01-12T09:29:36","guid":{"rendered":"https:\/\/duksilicone.com\/?page_id=19887"},"modified":"2025-01-12T09:29:38","modified_gmt":"2025-01-12T09:29:38","slug":"i-made-a-mold-using-silicone-rubber-and-encountered-sticking-issues-since-silicone-rubber-is-typically-non-stick-what-could-have-caused-this","status":"publish","type":"page","link":"https:\/\/duksilicone.com\/?page_id=19887","title":{"rendered":"I made a mold using silicone rubber and encountered sticking issues. Since silicone rubber is typically non-stick, what could have caused this?"},"content":{"rendered":"\n<p>ilicone mold rubber is generally known for its excellent release properties and does not stick to most surfaces. However, it can adhere to materials with open pores (like open-grain wood, very dry plaster, or concrete). It may also bond with glass, surfaces coated with shellac, or even itself, which can be useful when adding new silicone to a cured mold.<\/p>\n\n\n\n<p>Here are some tips for sealing a model before applying silicone:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Acrylic Spray:<\/strong> This can effectively seal the surface.<\/li>\n\n\n\n<li><strong>Petroleum Jelly thinned with Mineral Spirits:<\/strong> Apply carefully to avoid leaving brush strokes, as these will be visible on the mold surface once the silicone is applied.<\/li>\n\n\n\n<li><strong>Wax:<\/strong> Similar to petroleum jelly, apply carefully to avoid brush strokes.<\/li>\n\n\n\n<li><strong>Avoid Alcohol:<\/strong> Do not wipe the model with alcohol before applying silicone rubber, as it may affect adhesion.<\/li>\n\n\n\n<li><strong>Do Not Use Shellac:<\/strong> Shellac contains alcohol, which can cause the rubber to bond to the model.<\/li>\n\n\n\n<li><strong>Avoid Silicone-Based Release Agents:<\/strong> These can sometimes act as a bonding primer for the silicone rubber.<\/li>\n<\/ol>\n\n\n\n<p>If there\u2019s any uncertainty about the compatibility of a sealer or release agent, it&#8217;s always a good idea to conduct a small test on a non-critical piece first.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ilicone mold rubber is generally known for its excellent release properties and does not stick to most surfaces. However, it can adhere to materials with open pores (like open-grain wood, very dry plaster, or concrete). It may also bond with glass, surfaces coated with shellac, or even itself, which can be useful when adding new [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-19887","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/duksilicone.com\/index.php?rest_route=\/wp\/v2\/pages\/19887","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/duksilicone.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/duksilicone.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/duksilicone.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/duksilicone.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19887"}],"version-history":[{"count":1,"href":"https:\/\/duksilicone.com\/index.php?rest_route=\/wp\/v2\/pages\/19887\/revisions"}],"predecessor-version":[{"id":19888,"href":"https:\/\/duksilicone.com\/index.php?rest_route=\/wp\/v2\/pages\/19887\/revisions\/19888"}],"wp:attachment":[{"href":"https:\/\/duksilicone.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}