Polyether Silicone 1500cst CAS 68937-54-2 Silicone Surfactant for Self-skinning PU Foam
1500cst Polyether Silicone (CAS 68937-54-2) is amphiphilic polyether graft modified silicone copolymer. It serves as dedicated cell stabilizer for self-skinning integral PU foam. During foaming reaction, it regulates bubble differentiation to form dense smooth outer skin together with homogeneous elastic inner foam. The product effectively reduces surface pores, improves surface texture and dimensional stability, widely applied for self-skinning polyurethane molded articles.
Product Overview
1500cst Polyether Silicone (CAS 68937-54-2) is customized silicone surfactant developed for integral self-skinning polyurethane foam system. Optimized siloxane-polyether balance delivers unique surface control capacity. It supports gradient cell formation: compact non-porous outer skin on the surface and evenly distributed elastic cells inside. The material solves common defects such as rough surface, insufficient skin thickness and internal cavities of molded self-skinning foam.
Key Features
- Professional surfactant for self-skinning integral PU foam molding
- Promote gradient cell structure: dense outer skin + uniform inner foam
- Reduce surface pinholes, improve surface smoothness and appearance quality
- Stabilize foaming reaction, prevent foam collapse and internal void generation
- Good compatibility with polyols, isocyanates, catalysts and blowing agents
Main Applications
- Foam stabilizer for automotive self-skinning PU armrest, steering wheel
- Surfactant for furniture integral skin foam handle, seat accessories
- Processing additive for PU shoe sole, gym equipment self-skinning components
- Cell control agent for various molded integral skin polyurethane products
Usage Guidance
Typical dosage range: 1.0%–2.8% based on polyether polyol weight. Preblend evenly into polyol component before foaming. Adjust dosage according to mold temperature, foam density and product requirements. Small-scale foaming test is mandatory before mass production.
Storage & Package
Seal drums tightly. Store in cool, dry and ventilated warehouse, avoid continuous high-temperature storage. Standard package: 200kg iron drum. Shelf life: 12 months under proper storage conditions.
Service Support
Test samples are available for laboratory foaming evaluation. Stable bulk supply and polyurethane formulation technical support. Welcome to inquire TDS, COA and factory quotation.
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