Core Processes for Industrial Sponges
Mar 05, 2026| The production processes for industrial sponges vary primarily based on the specific material systems and intended applications.
Ingredient Mixing: Divide the raw materials into Group A (polyether polyol + water + catalyst + stabilizer) and Group B (TDI, etc.), then mix them using high-speed agitation for 10–20 seconds.
Foaming and Molding: Pour the mixture into a molding box or mold, where chain extension, foaming, and cross-linking reactions take place; the foaming process takes approximately 1 minute, followed by a curing period of 2–24 hours.
Cutting and Shaping:** Utilize CNC cutting machines, rotary blades, or slitting equipment to produce sheets, rolls, or custom-shaped parts.
Post-processing: Certain products require additional treatments-such as washing, dewatering, antimicrobial coating, or cell-opening-to enhance their performance.
Recent technological advancements** include automated processes such as elastic-support platform slitting, adaptive-clamping punching, and physical impurity removal.