Speciality Chemicals

Polymercaptan GH300

  • CAS No.72244-98-5
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

Polymercaptan GH300 is a high-efficiency liquid curing agent designed for epoxy resins, offering rapid curing at low temperatures with excellent transparency and low toxicity.

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Product Technical Details

Product Overview

Polymercaptan GH300 represents a significant advancement in epoxy resin technology, serving as a high-efficiency liquid curing agent designed for demanding industrial applications. This specialized chemical formulation is engineered to provide rapid cross-linking capabilities, particularly excelling in environments where low-temperature performance is critical. Unlike traditional amine-based hardeners, GH300 utilizes a polymeric mercaptan structure that ensures consistent curing speeds even when film thickness is minimal. Its low toxicity profile and light color make it a superior choice for manufacturers seeking both safety and aesthetic quality in their final composite materials.

The chemical composition facilitates a rapid reaction with epoxy groups, significantly reducing pot life while maintaining excellent workability during the application phase. This balance allows production teams to achieve faster cycle times without compromising the structural integrity of the bonded materials. Furthermore, its compatibility with various amine curing agents enables formulators to fine-tune reaction kinetics, offering versatile processing windows for diverse manufacturing scenarios.

Technical Specifications

Our quality assurance team rigorously tests every batch to ensure compliance with international standards. The following parameters define the premium grade quality of this product:

ParameterSpecification
AppearanceColorless Transparent Liquid
SH Content≥12%
Chroma≤30 Hazen
Viscosity12000 - 15000 mPa·s
CAS Number72244-98-5

Key Advantages

Selecting the right curing agent is pivotal for product performance. GH300 offers distinct competitive advantages over conventional alternatives in the market. It delivers exceptional curing speed at room temperature, providing multiple options for adjusting reaction rates to suit specific production lines and throughput requirements. The material exhibits superior optical clarity with a low color number, ensuring the final product maintains a transparent or light appearance suitable for visible architectural or decorative applications. Its robust resistance profile includes high heat stability, water impermeability, and strong solvent resistance, significantly extending the service life of coated surfaces in harsh environments. Furthermore, the enhanced low-temperature activity makes it uniquely suitable for winter construction projects or cold climate operations where other agents typically fail to cure properly.

Industrial Applications

This versatile curing agent is extensively utilized across multiple sectors requiring high-performance epoxy systems. In the adhesive industry, it serves as a core component for industrial quick-setting glues and building structural adhesives, providing immediate strength development and durable bonds under stress. The coating sector benefits from its ability to formulate quick-drying protective layers that resist environmental degradation and chemical exposure. Additionally, it is highly effective in epoxy potting compounds, lamination processes, and casting applications where void-free curing is essential for electronic protection. As an accelerator, it optimizes the performance of existing epoxy formulations without requiring complete system redesigns, acting as a drop-in solution for enhanced productivity.

Storage and Handling

To maintain optimal chemical stability, this product should be stored in a cool, ventilated, and dry environment away from direct sunlight and moisture sources. Packaging is available in 220L drums or IBC containers to accommodate various bulk procurement needs. Classified as non-dangerous goods, it simplifies logistics and transportation protocols. We recommend consulting the technical data sheet and safety documentation before integration into your manufacturing process to ensure full compliance with local regulations.