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Welcome to the Zappa-Stewart Superabsorbent Blog

Most Asked Questions About Superabsorbent Polymers

Every day our team receives many questions from current customers and interested future users of superabsorbent polymers (SAP) around the world.

We have provided answers to some of the most popular questions, below.

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Topics: Super Absorbent Polymers, superabsorbent polymers, SAP Applications, Sodium polyacrylate superabsorbent polymers, SAP costs, FAQ

What Is Superabsorbent Polymer Made From?

When people refer to superabsorbent polymer (SAP), they often are referring to sodium polyacrylate which is the absorbent commonly found in diapers and other sanitary hygiene products.

Sodium polyacrylate is produced globally by several major suppliers through the polymerization, or chain building, of acrylic acid neutralized with sodium forming a sodium salt.

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Topics: superabsorbent polymers, Sodium polyacrylate superabsorbent polymers

Surface Cross Linking of Superabsorbent Polymers – What’s the Purpose?

Zappa Stewart supplies a wide range of SuperAbsorbent Polymers (SAPs). Most SAPs are surface cross linked (referred to as SXM) and are widely used in diapers and hygiene products. However, there are also non-surface cross linked SAP’s (often referred to as pre-surface crosslinked or PSXM for short) that have unique properties and are well suited for specific applications.

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Topics: superabsorbent polymers, SAPs for consumer products, SXM, pre-surface crosslinked, Surface Cross Linking, PSXM, Sodium polyacrylate superabsorbent polymers, PSXM SAP technology