Category: Production tutorial

furniture foam
Production tutorial
Sally Zhang

Polyurethane Foam Foaming Common Terms

This article explains key terms and processes in polyurethane foam production, including Cold Cure, Pump Capacity, Pump Linearity, New Blending Technology (NBT), Timed Pressure Release (TPR), Initial Spray, and the Foaming Index.

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pu foam chemical
Production tutorial
Sally Zhang

Introduction to Foaming Agents for Polyurethane Foam

This article explores essential foaming agents in polyurethane foam manufacturing, detailing the roles of catalysts, foam stabilizers, blowing agents, and optional additives like flame retardants, softeners, and open-cell agents, crucial for achieving desired foam properties and performance.

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polymer polyol1
Production tutorial
Sally Zhang

Calculation Formula for TDI Consumption

This article explains the calculation of TDI (Toluene Diisocyanate) consumption in formulations, detailing the formulas and steps needed to determine the exact amount required for different polyol polymers and their reactive components.

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PU binder
Production tutorial
Sally Zhang

What is Isocyanate?

Isocyanates, crucial in polyurethane production, include TDI variants (2,4-TDI, 2,6-TDI). TDI-100 suits castable polyurethane, T-80 is widely used, and T-65 is for high-rebound foams. Reactivity varies due to molecular structures. TDI is a transparent liquid with a coloration tendency, distinctive odor, and solidification point influenced by composition.

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MDI
Production tutorial
Sally Zhang

Transformative polyurethane: changing the world

Polyurethane, a versatile polymer, is acclaimed for its transformative impact across diverse sectors. Evaluation of polyurethane adhesives encompasses sensory and quantitative testing methods, ensuring comprehensive assessments of bonding effectiveness on various substrates. Choosing appropriate evaluation criteria aligns with specific bonding applications, fostering the material’s wide-ranging applications.

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