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Discussion on Issues of Collapsing, Bursting, and Closed-Cell Formation in Polyurethane Foam

This article discusses the issues of collapsing, bursting, and closed-cell formation in polyurethane foam production, exploring the causes, impacts, and solutions, and emphasizing the importance of understanding and managing these problems for optimal foam quality and safety.

2024 06 01

How to Adjust the Formula for Flexible PU Foam Foaming in Winter?

This article outlines essential adjustments for flexible PU foam foaming in winter, addressing common issues such as streak marks, premature material surge, and slow surface drying. It provides practical solutions to optimize the foaming process and enhance product stability.

2024 05 31

How to Adjust the Tear Strength of Flexible PU Foam by Modifying Formulations?--Part 2

This article explores how to adjust the tear strength of sponge by modifying its formula, focusing on material structure, reaction principles, and specific adjustments, including the effects of adding flame retardants, polyols, and various fillers.

2024 05 28

How to Adjust the Tear Strength of Flexible PU Foam by Modifying Formulations?--Part 1

This article explores how adjusting formulations can enhance the tear strength of sponges, focusing on the impact of crosslinking reactions, hard segments, and internal heat, with practical examples using different formulations to demonstrate these principles.

2024 05 27

What is the function of high resilience polyether? How can the formula be adjusted based on physical properties?

This article explores the functions of high resilience polyether, detailing its applications, differences from ordinary foam formulations, and how to adjust the formula based on physical properties to optimize foam elasticity and performance.

2024 05 25

How to Adjust Soft PU Foam Properties Based on the Characteristics of Common Foam Polyether

This article explains how to adjust soft PU foam properties using the characteristics of common foam polyethers, PPG and POP. It details their differences, reactivity, and provides formulas to optimize soft PU foam elasticity and hardness for various applications.

2024 05 24

Calculation Formula for TDI Consumption

This article presents a detailed method for calculating the required amount of TDI in polyol polymer formulations, providing specific formulas and a step-by-step example to ensure accurate and efficient TDI consumption.

2024 05 23

Quilting Knowledge Series (Part 3)

This article provides solutions for thread breakage or dropping in quilting machines and offers guidelines for regular maintenance to ensure smooth and efficient operation.

2024 05 22

Quilting Knowledge Series (Part 2)

The article briefly describes how to correctly control the tightness of the upper thread, how to draw a pattern and how to troubleshoot the cause of abnormal noise in a quilting machine.

2024 05 21

Quilting Knowledge Series (Part 1)

This article provides solutions for common issues with quilting machines, including thread pickup failures, imperfect circles, and uneven patterns, by adjusting machine settings and parameters.

2024 05 20

Basic Concept Q&A on Polyurethane(Part Ten)

This article explores the characteristics, performance features, classifications, and molecular structure factors of polyurethane elastomers, with a focus on differences between polyester-type and polyether-type elastomers, highlighting their respective strengths and applications.

2024 05 18

Basic Concept Q&A on Polyurethane(Part Nine)

This article explores the characteristics, uses, and formulation principles of cold-molded soft foam, soft foam, and rigid foam, including the preparation of integral skin foam, highlighting their unique properties and diverse industrial applications.

2024 05 17

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Over 20 years of first-hand production and usage experience, our technology development team aims to make every machine exhibit the characteristics of simplicity, labor efficiency, ease of operation, and minimal maintenance.