international sustainability & carbon certification (iscc) plusregulatory
International Sustainability & Carbon Certification (ISCC) PLUS is a voluntary verification system that proves raw materials and products — especially bio-based, agricultural, and feedstock goods — are produced, tracked and transported according to defined environmental and social standards. For investors, an ISCC PLUS label acts like a trust mark that can reduce regulatory and reputational risk, improve access to buyers with sustainability rules, and influence costs, pricing power and long-term demand.
iscc plusregulatory
ISCC PLUS is a third‑party sustainability certification that verifies raw materials and supply chains meet environmental and social criteria for renewable, recycled, or bio-based products. For investors, it signals that a product or supplier has traceable practices and reduced sustainability risks—like a food label for green claims—potentially affecting market access, regulatory compliance, and reputational value.
mass balance-attributedtechnical
Mass balance-attributed describes a method of assigning portions of a final product or inventory to particular input streams (such as recycled, renewable, or different-quality materials) by tracking quantities rather than tracing each molecule. Think of pouring several colored buckets into one large tub and using the proportion of each color to claim how much of the mix came from each bucket; it allows firms to make production or sustainability claims and to calculate costs, compliance and supply risks for investors. This affects investor view of margins, regulatory exposure and the credibility of environmental or quality claims.
liquid epoxy resinstechnical
Liquid epoxy resins are sticky, flowable chemicals that harden into a durable plastic when mixed with a curing agent, acting as adhesives, protective coatings, and the binding material in composites. Investors care because they are a foundational input for construction, electronics, automotive and renewable energy parts; sales and prices serve as a proxy for industrial demand and can be sensitive to raw-material costs and supply-chain disruptions, much like the cement or glue of manufactured goods.
solid epoxy resinstechnical
A class of thermosetting polymers that cure into hard, durable materials used as adhesives, coatings and structural composites; think of them as an industrial “super-glue” or protective shell that bonds parts and resists heat, chemicals and wear. Investors care because demand for these materials tracks construction, electronics, automotive and renewable energy manufacturing, affects manufacturers’ sales and margins, and is sensitive to raw‑material costs and product-specification or regulatory changes.
renewable feedstocktechnical
Renewable feedstock is raw material drawn from plants, agricultural residues, organic waste, or sustainably managed forests that can be repeatedly grown or recycled and then turned into fuels, chemicals, or materials. Investors pay attention because using renewable inputs can lower exposure to volatile fossil-fuel prices and carbon regulation, create access to expanding low‑carbon markets, and signal a company is shifting to more sustainable, potentially cheaper long-term inputs—like swapping a finite fuel for a renewably grown crop.
greenhouse gas emissionstechnical
Greenhouse gas emissions are the gases a company releases into the air—like carbon dioxide or methane—that trap heat in the atmosphere and contribute to global warming. For investors, these emissions matter because they can lead to higher regulatory costs, fines, shifting consumer preferences, and physical risks (like supply-chain disruptions), or create opportunities in low-carbon products; think of emissions as a company’s climate footprint that can affect future profits and value.
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HOUSTON--(BUSINESS WIRE)--
Westlake Corporation (NYSE: WLK) today announced that its Westlake Epoxy plant in Deer Park, Texas, has received International Sustainability & Carbon Certification (ISCC) PLUS. The certification covers liquid epoxy resins (LER), solid epoxy resins (SER), and liquid epoxy blends that combine LER with reactive modifiers, serving key end-use segments such as industrial coatings, construction, wind energy, composites, automotive and electronics. Starting today, existing and new customers will have access to these ISCC+ mass balance-attributed content of certified renewable feedstock. These solutions support sustainability objectives while maintaining the same quality, performance, and specifications as our standard epoxy resins.
“This is an important milestone for Westlake Epoxy in North America and a key step in bringing more renewable raw materials into our global supply chain,” said Brian Powers, Senior Vice President, Performance & Essential Materials. “ISCC PLUS mass balance-attributed certification at Deer Park allows us to offer U.S.-made epoxy resins produced under a certified mass balance system, with the same high performance our customers expect. It strengthens our global EpoVIVE™ platform and supports our customers as they pursue their sustainability objectives.
“Each new ISCC PLUS certification is another step in Westlake Epoxy’s strategy to integrate renewable carbon materials into our raw material supply chain, while working to reduce energy consumption and greenhouse gas emissions. This latest certification further demonstrates Westlake’s long-term commitment to responsible manufacturing, supporting more sustainable epoxy solutions for customers worldwide,” added Brian Powers.
With its Duisburg (Germany) and now Deer Park (U.S) plants certified, Westlake Epoxy is broadening access to ISCC PLUS mass‑balance-attributed epoxy resin using certified renewable feedstock across Europe and North America to help our customers meet their own sustainability targets.
About ISCC PLUS
ISCC PLUS (International Sustainability & Carbon Certification PLUS) is an internationally recognized certification system that supports the traceability of bio-based, bio-circular and circular raw materials through a mass balance chain-of-custody approach. Certification is based on independent third-party audits and defined requirements for tracking sustainable inputs through the supply chain, providing transparent, credible assurance for renewable-attributed products.
About Westlake Epoxy
Westlake Epoxy, a Westlake company, is a global leader in epoxy resins, curing agents and specialty systems for higher‑performance materials, coatings and composites, delivering strength, durability, chemical and corrosion resistance, and stronger adhesion performance in demanding applications. The EpoVIVE™ portfolio of epoxy phenolic resins and curing agents reflects Westlake Epoxy’s dedication to reducing the environmentally impact of its products. Serving industries such as coatings, construction, adhesives, automotive, civil engineering, composites, electronics and renewable energy, Westlake Epoxy supports customers worldwide with advanced materials and application expertise. For more information, visit Frontpage | Westlakeepoxy or contact epoxyservice@westlake.com
About Westlake
Celebrating 40 years of operations in 2026, Westlake Corporation (NYSE: WLK) is a global manufacturer and supplier of materials and innovative products that enhance life every day. Headquartered in Houston, with operations in Asia, Europe, and North America, we provide building blocks for vital solutions — from housing and construction, to packaging and healthcare, to automotive and consumer. For more information, visit the company's web site at www.westlake.com.
