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A New, Eco-Friendly Alternative to VAE Emulsions

Driven by stricter environmental regulations and rising performance demands, industrial manufacturers are actively seeking next-generation waterborne bonding solutions. Developed by Zhejiang Ruico Advanced Materials Co., Ltd., RF-777A is an advanced self-crosslinking emulsion based on tert-propyl acetate-propylene copolymer designed to directly replace conventional VAE emulsions. Engineered with exceptional toughness, RF-777A provides rapid initial tack and robust adhesion across various challenging substrates. Because it is formulated on a completely water-based platform, it enhances production line hygiene, lowers workplace volatile emissions, and safeguards operator health. Featuring a high solids content of $55\pm1\%$ , stable viscosity between 4000 and 6000 $\text{mPa}\cdot\text{s}$ , and a glass transition temperature of 0°C, it drops effortlessly into standard coating and gluing workflows.

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