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This article introduces how to control the flexible polyurethane foam production process and prevent appearance and physical defects during foaming.
2025
06
23
This article introduces how to formulate the operating recipe for flexible polyurethane foam based on formulation, flow rate, and lab testing.
2025
06
21
This article introduces how to determine production formulas for flexible PU foam based on machinery type, foaming method, and raw material ratios.
2025
06
20
This article introduces various types of polyurethane flexible foams, including flame-retardant, anti-yellowing, surface-modified, and semi-rigid foams.
2025
06
19
This article introduces how to produce silicone oil-modified PU foam with coarse, irregular, or pseudo high-resilience cells by adjusting formulation and process.
2025
06
18
This article introduces how to produce high resilience and slow rebound polyurethane foam, including structure, formulation, and performance indicators.
2025
06
17
This article introduces how to produce high elongation polyurethane flexible foam using di-functional polyethers and polyesters for better stretchability.
2025
06
16
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
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