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  • GENTREX TK-927 Supercritical Fluid Foaming Injection Machine for Footwear
HomeProductsPhysical Foaming (SCF)GENTREXGENTREX TK-927 Supercritical Fluid Foaming Injection Machine for Footwear

GENTREX TK-927 Supercritical Fluid Foaming Injection Machine for Footwear


Product Description
The GENTREX TK-927 brings the “One Process for All” concept to life, enabling manufacturers to produce midsoles, co-molded soles, slippers, and direct-attach footwear on a single machine. Powered by advanced supercritical fluid (SCF) foaming, it creates lightweight, high-resilience components while eliminating chemical foaming agents. Using clean, recyclable nitrogen, TK-927 reduces carbon emissions to near zero. Its compact disc-type design optimizes production efficiency, shortens cycle times, and minimizes facility space — making it the ultimate solution for sustainable, versatile, and cost-efficient footwear manufacturing.

Features
1.    SCF Physical Foaming — Uses nitrogen supercritical fluid for eco-friendly, chemical-free foaming.
2.    One Process for All — Capable of producing midsoles, co-molded soles, slippers, and direct-attach footwear on a single platform.
3.    Near-Zero Carbon Emissions — Supports low-carbon production with fully recyclable materials.
4.    Compact Disc-Type Layout — Fits high output in under 66 m
², reducing facility costs.
5.    Globally Award-Winning Design 
— Recognized for combining innovation and sustainability.

Application Scenarios•    Midsole Production — Sports, casual, and work footwear midsoles.
•    Co-Molding — Midsole and outsole integrated in one process.
•    Slippers — Lightweight and durable EVA slippers and sandals.
•    Direct Attach — Outsole molded directly to the upper for safety, work, and outdoor shoes.
Core Advantages1.    One Machine, Multiple Products — Maximize ROI by producing diverse footwear components without additional equipment.
2.    ESG Compliance — Aligns with global sustainability standards through chemical-free, recyclable production.
3.    Lower Operating Costs — Reduces labor, materials, and facility space requirements.
4.    Faster Market Response — Shortens production cycles for quicker delivery and new product launches.
5.    Internationally Proven — Winner of global design awards for sustainable engineering innovation.
Compatible Materials

Material Family
Representative Brands / Common Grades
Core Features
Typical Applications
TPU – Thermoplastic Polyurethane
BASF Elastollan®, Covestro Desmopan®
High abrasion resistance, excellent rebound, good low-temperature performance
Sports shoe midsoles, outsoles, support pieces
TPEE – Thermoplastic Polyester Elastomer
DuPont Hytrel®, Celanese Riteflex®
High elasticity, fatigue resistance, good dimensional stability
Stability plates, sports support structures
EVA-POSE (Special EVA Formulations)
Customized EVA series
Lightweight, soft, wide processing window
Lightweight midsoles, sandals, casual shoes
SEBS – Styrene-Ethylene-Butylene-Styrene
Kraton®, Asahi Tuftec®
Very soft, good slip resistance, low-temperature flexibility
Sandals, indoor sports shoes, protective gear
PEBA – Polyether Block Amide
Arkema PEBAX®, Evonik VESTAMID® E
Lightweight, high energy return, excellent low-temperature performance
High-end racing shoe midsoles, stability plates, ski boots

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