ST-GTS

GTS (Glycerol Tristearate) – High-Performance EPS Mold Release Agent

Product Overview

GTS, also known as Glycerol Tristearate, is a premium non-ionic surfactant used as a specialized EPS Mold Release Agent. As the leading EPS additive solution provider, Senthos provides high-quality GTS that excels in improving the demolding efficiency of EPS products. Creating a stable lubricating layer on the bead surface, it ensures smooth release from complex molds and enhances the final surface gloss of the foam.

Detailed Technical Specifications (TDS)

Our GTS is refined for high purity to ensure maximum performance in industrial EPS applications:

PropertyTechnical Standard
Product NameGlycerol Tristearate (GTS)
CAS Number555-43-1
AppearanceWhite to slightly yellowish powder or flakes
Triglyceride Content≥ 90% (High Purity Grade)
Free Glycerol≤ 1.0%
Acid Value≤ 3.0 mg KOH/g
Melting Point50°C – 55°C
Saponification Value185 – 195 mg KOH/g

Key Performance & Advantages in EPS

  • Superior Mold Release: GTS acts as an external lubricant, significantly reducing the adhesion between the EPS foam and the mold surface, allowing for faster cycle times and reduced product damage.

  • Surface Gloss & Smoothness: It effectively improves the surface finish of molded parts, providing a professional, smooth appearance for high-end packaging and insulation boards.

  • Heat Stability: This EPS Mold Release Agent maintains stable performance during the steam chest molding process, ensuring consistent quality across large production batches.

  • The Senthos Solution: For manufacturers looking for a ready-to-use coating system, GTS is a primary ingredient in our ST EPS Coating 442. We combine GTS with GMS and Zinc Stearate for a balanced anti-lumping and release performance.

Packaging, Storage & Logistics

  • Packaging: Standard 15kg cartons.

  • Storage: Store in a cool, dry area. Consequently, avoid temperatures above 35°C to prevent any risk of sintering (clumping) of the fine powder.

  • Shelf Life: 12 months in original, unopened packaging.

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