{"id":44323,"date":"2026-10-30T11:30:16","date_gmt":"2026-10-30T10:30:16","guid":{"rendered":"https:\/\/www.finres-sa.com\/product\/wwa-casting-epoxy-resin-hardener-resoltech-b7-b4\/"},"modified":"2026-10-30T11:46:32","modified_gmt":"2026-10-30T10:46:32","slug":"wwa-casting-epoxy-resin-hardener-resoltech-b7-b4","status":"publish","type":"product","link":"https:\/\/www.finres-sa.com\/en\/product\/wwa-casting-epoxy-resin-hardener-resoltech-b7-b4\/","title":{"rendered":"WWA Casting Epoxy Resin Hardener \u2013 Resoltech B7 & B4"},"content":{"rendered":"
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WWA B7 or B4 hardener: which one to choose?<\/strong><\/p>

Resoltech WWA B7 and B4 epoxy hardeners are available separately to complete your WWA casting epoxy resin.<\/p>

The choice of hardener mainly depends on the desired casting thickness.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Feature<\/div><\/div><\/div><\/th>
WWA B7<\/div><\/div><\/div><\/th>
WWA B4<\/div><\/div><\/div><\/th><\/tr><\/thead>\n\t\t\t\t\t\t\t\t
Use\n<\/div><\/div><\/div><\/td>
Small castings<\/div><\/div><\/div><\/td>
Thick castings\n<\/div><\/div><\/div><\/td><\/tr>
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Casting thickness\n\n<\/div><\/div><\/div><\/td>
Up to 15 mm\n<\/div><\/div><\/div><\/td>
Up to 90 mm\n<\/div><\/div><\/div><\/td><\/tr>
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Mix ratio by weight<\/div><\/div><\/div><\/td>
100:45<\/div><\/div><\/div><\/td>
100:40<\/div><\/div><\/div><\/td><\/tr>
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Working time<\/div><\/div><\/div><\/td>
45 minutes<\/div><\/div><\/div><\/td>
10 h<\/div><\/div><\/div><\/td><\/tr>
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Demoulding time<\/div><\/div><\/div><\/td>
24 h<\/div><\/div><\/div><\/td>
72 h<\/div><\/div><\/div><\/td><\/tr><\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\n\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Follow the mix ratio specific to each hardener: 100:45 for B7 and 100:40 for B4 (resin: hardener, by weight)<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Hardener for Resoltech WWA casting epoxy resin, available in two versions: WWA B7 for small pours up to 1.5 cm<\/strong> and WWA B4 for thick pours up to 9 cm<\/strong>.<\/p>\n

Sold separately, only compatible with Resoltech WWA epoxy resin.<\/p>\n","protected":false},"featured_media":44296,"template":"","meta":[],"product_brand":[],"product_cat":[385],"product_tag":[],"class_list":["post-44323","product","type-product","status-publish","has-post-thumbnail","product_cat-epoxy-en","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/product\/44323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":2,"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/product\/44323\/revisions"}],"predecessor-version":[{"id":44350,"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/product\/44323\/revisions\/44350"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/media\/44296"}],"wp:attachment":[{"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/media?parent=44323"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/product_brand?post=44323"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/product_cat?post=44323"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.finres-sa.com\/en\/wp-json\/wp\/v2\/product_tag?post=44323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}