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This article introduces how to calculate theoretical ISO demand, RATIO, and ISOCYANATE INDEX in HR polyurethane formulations to ensure accurate and stable foam performance.
2025
11
20
This article introduces practical formulation and process strategies to improve tear strength, resilience, and production stability of high-resilience foam.
2025
11
18
This article introduces key mechanical and chemical methods to precisely control foaming height in flexible PU foam production using a continuous foaming machine, ensuring stable density and product quality.
2025
11
13
This article introduces the chemical and process principles for controlling memory foam performance through optimized polyol selection, TDI index, and additive balance.
2025
11
11
This article introduces how residual mixed material from continuous foaming lines can cause internal voids in batch-foamed flexible PU foam and provides chemical and management-based prevention strategies.
2025
11
06
This article introduces the causes and distinctions between shrinkage and collapse in flexible PU foam, explaining how to diagnose each issue and optimize key parameters like the TDI index and water/MC ratio to achieve stable foaming results.
2025
11
04
This article introduces how adjusting the TDI index controls the rebound rate of memory foam by tuning crosslink density, Tg region, and network relaxation behavior.
2025
10
31
This article introduces how environmental factors such as temperature, humidity, cleanliness, and ventilation affect the quality and consistency of high-resilience polyurethane foam.
2025
10
29
Introduces why foam additives temperature is critical in PU soft foam foaming, explaining its effects on reaction kinetics, product defects, and control strategies for consistent quality.
2025
10
27
This article introduces practical diagnostics and fixes—catalyst tuning, water control, preheating, and environmental measures—to prevent cracking in batch foam machine flexible PU Foam.
2025
10
23
This article introduces formulation strategies to tune mechanical, dynamic, and durability performance of flexible PU Foam while balancing density, cost, and process stability.
2025
10
21
This article introduces polyol and isocyanate selection, NCO index, catalyst–surfactant balance, density control, mechanical tuning, and durability/compliance for flexible PU foam.
2025
10
16
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