Anhydride

Anhydride curing agents are a class of chemical compounds commonly used as hardeners or crosslinkers in epoxy resin systems. These curing agents play a crucial role in various industries by promoting the curing and solidification of epoxy resins, resulting in durable and thermosetting materials.

About our supplier

Zhejiang Alpharm Chemical Technology Co., Ltd. is a technology-driven chemical manufacturer based in Jiaxing Industrial Zone, Zhejiang Province, China. With advanced production facilities, leading production lines and close cooperation with renowned research institutes, Alpharm manufactures a wide range of specialty chemicals and supplies customers worldwide with quality products and excellent service.

Unique Properties

Curing Efficiency: They promote efficient curing of epoxy resins, resulting in strong and thermosetting materials.
Adhesive Properties: Anhydride curing agents contribute to excellent adhesive properties, ensuring secure bonding.
Chemical Resistance: They enhance chemical resistance, making materials suitable for harsh environments.

High Glass Transition Temperature (Tg): Epoxy systems cured with anhydride curing agents often exhibit a high Tg, making them suitable for high-temperature applications.
Low Shrinkage: Some anhydride curing agents have low shrinkage during curing, reducing the risk of stress in the cured material.

Highlighted Product Grades

Grade	Purity, GC (%)	Colour	Acid Value (mgKOH/g)	Free Acid (%)	Iodine value, Ig/100g
AMH-850 (MHHPA)	98.5 min	20 max ((Pt-Co), Hazen)	650 min	0.5 max
AMH-330 (HHPA)	99.0 min	50 max ((Pt-Co), Hazen)			1 max
AMT-122 (MTHPA)	99.0 min	5 max (Gardner)		0.5 max
AMT-122V (accelerated MTHPA)		1 max (Gardner)		1 max

*The product grades highlighted above are just a selection from our extensive range. For a complete overview or more information about our products, we kindly request you to contact us via the contact form at the bottom of this page.

Alternative for

The choice of using anhydride curing agents depends on specific application requirements. Alternatives may include other types of curing agents or chemical systems, such as amine curing agents or latent curing agents, depending on the desired characteristics and environmental conditions. The selection is influenced by factors such as curing efficiency, adhesive properties, chemical resistance, thermal stability, and cost considerations. Anhydride curing agents are preferred when their unique combination of properties is essential for the application, particularly in epoxy systems requiring high Tg and chemical resistance.