The amount of foam stabilizer used determines the cell structure size in foam products. More stabilizer results in finer cells, but an excess can cause shrinkage, so it’s crucial to find the optimal amount. Too little stabilizer leads to inadequate cell support, causing collapse and incomplete formation. Both types act as catalysts.
Polyurethane (Flexible Foam) refers to a type of flexible polyurethane foam with certain elasticity, primarily featuring open-cell structures.
Polyurethane (Rigid Foam) is foam plastic that does not undergo significant deformation under load and cannot return to its original state after deformation from excessive loads, mostly featuring closed-cell structures.
Rigid Foam Silicone Oil
Rigid foam silicone oil is a high-activity non-hydrolyzable foam stabilizer with silicon-carbon bonds, categorized as a broad-spectrum silicone oil. It offers excellent comprehensive performance and is suitable for HCFC-141b and water foaming systems, used in applications such as boards, solar energy systems, pipelines, and more.
Product Features:
Superior Emulsification: Its excellent emulsification performance ensures good dispersion and mixing of composite materials during the reaction with isocyanate, resulting in good flowability. The produced product has uniform cells and a very high closed-cell rate.
Enhanced Stability: The special molecular structure effectively controls the surface tension of the cells, stabilizing the cell structure and providing the product with excellent mechanical properties.
Flexible Foam Silicone Oil
A general-purpose siloxane surfactant for polyether-type flexible polyurethane foams, this is a non-hydrolyzable polydimethylsiloxane-polyethylene copolymer, acting as a high-activity stabilizer. It is used as a foam stabilizer in the production of polyurethane flexible foams (sponges). It provides a thin skin and strong stability in very low-density foams with fine, uniform cells. In medium-density foams, it offers better foam opening properties and breathability compared to similar silicone oils.
