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This article introduces high load-bearing and ultra-soft foams, focusing on hardness control, key formulation variables, and common industry practices.
2025
06
13
The article explains polyether slabstock foam formulation design. It covers density calculation, TDI index effects, empirical rules, catalyst balance, and provides sample formulas for different densities.
2025
06
12
This article introduces the four basic reactions in flexible PU foam production and compares the reactivity and catalyst effects of active hydrogen compounds.
2025
06
11
The article introduces the standard polyurethane foam formulation and how variables affect physical properties like density and deformation.
2025
06
09
This article introduces the chemical mechanisms, equipment, processes, and raw material control involved in producing flexible polyurethane foam with detailed formulas.
2025
06
07
The article introduces natural factors affecting sponge foam foaming, including temperature, humidity, and atmospheric pressure, and explains key reactions, nucleating agents, and foam structure control.
2025
06
06
This article introduces common foaming agents, stabilizers, fillers, and flame retardants used in flexible polyurethane foam and their formulation effects.
2025
06
05
This article introduces the types, structures, effects, and usage guidelines of various catalysts used in polyurethane flexible foam production.
2025
06
04
This article introduces the raw materials of flexible polyurethane foam, focusing on toluene diisocyanate's types, properties, and application mechanisms.
2025
06
03
This article introduces the health risks and emergency measures related to polyols and isocyanates in polyurethane foaming processes.
2025
06
02
This article introduces key terms in polyurethane foaming, including cold cure, pump linearity, NBT, TPR, initial shot behavior, and foam index definition.
2025
05
30
This article introduces polyurethane foam test standards, including density, ILD, tensile strength, tear strength, resilience, VOC, and compression set.
2025
05
29
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