HENSAMINE D-271D Modified Phenalkamine Curing Agent

مقدمة موجزة:

HENSAMINE D-271D is a modified phenalkamine epoxy curing agent. Featuring a phenolic novolac structure, it offers fast low-temperature curing speed, excellent sanding/grinding performance, good toughness, and outstanding anti-corrosion properties.

التركيب الكيميائي:
Modified Phenalkamine Curing Agent

Specification & Typical Properties:

ملكيةSpecification / Valueطريقة الاختبار
مظهرسائل—
Colour (Gardner)≤ 16GB/T 9281.1
Amine Value (mg KOH/g)310 - 370Perchloric Acid Method
Viscosity @25°C (cps)500 - 1500GB/T 9751.1
Active Hydrogen Equivalent (AHEW)94Calculated
Recommended Mix Ratio (E~51)100 : 50—

Note: Table data includes Color (≤16 Gardner), Amine Value (310–370 mg KOH/g), Viscosity @25°C (500–1500 cps), Active Hydrogen Equivalent (AHEW: 94), and Recommended Mix Ratio (100:50 for Epoxy Equivalent ~190).

Curing Characteristics:

  • Gel Time (50g @ 25°C): 15–35 minutes
  • Linear Drying Time (200µm / 25°C): 3.0 / 4.2 hours
  • Curing Hardness (1cm / 15g * 25°C * 24H): 78.0 Shore D
Curing PropertySpecification / Valueطريقة الاختبار
Gel Time (50g @ 25°C)15 – 35 minN/A
Linear Drying Time (200µm / 25°C)3.0 / 4.2 hGB/T 1728-2020
Curing Hardness (1cm / 15g * 25°C * 24H)78.0 Shore DN/A

التطبيقات:

  • Industrial coatings and heavy-duty anti-corrosion paints
  • Epoxy primers and base coats
  • Adhesives and electronic encapsulation

خصائص التخزين:

Store in tightly closed original containers in a cool, ventilated, and dry area away from fire sources[cite: 1]. Shelf life is at least 12 months under ambient sealed conditions. Note that prolonged storage may cause the color to darken, which is a normal phenomenon.

احتياطات التعامل:

Use appropriate personal protective equipment (PPE) such as protective gloves and safety glasses. Avoid contact with skin, eyes, and clothing. Flush immediately with water in case of contact and seek medical attention if necessary.

التغليف:

Supplied in 20 kg and 200 kg net iron drums.