Industries

LOCTITE STYCAST 2057M CAT 9M

  • Item Name: LOCTITE STYCAST 2057M CAT 9M
  • Manufacturer: Henkel Corporation
  • Product category: General purpose encapsulant for potting and encapsulation
  • Technologies: Low viscosity epoxy encapsulant with a soft filler to reduce abrasion in dispensing equipment and enhance post-molding machinability; compatible with various catalysts
  • Applications: Designed for machine dispensing and parts requiring post-molding machining
  • Color: Black
  • Cure type: Room temperature cure (with accelerated options via heat)
  • Package size: Contact Avantek for details
  • Shelf life: 365 days (when stored at 18–25°C)

1. Product Overview

LOCTITE STYCAST 2057M CAT 9M is a general-purpose epoxy encapsulant designed for machine dispensing and post-molding machining. It features:

  • Low viscosity for easy application
  • Good machinability
  • Rapid air release
  • Compatibility with various catalysts
  • Soft filler to reduce abrasion in meter/mix equipment

2. Applications

  • Encapsulation and potting applications
  • Suitable for use where machining of cured product is required

3. Typical Properties

Uncured Properties

Property LOCTITE STYCAST 2057M LOCTITE CAT 9M
Density (g/cm³) 1.74 1.0
Viscosity @ 25°C (cP) 4.2 (Brookfield, Spindle 5, 50 rpm) 90
Shelf Life @ 18-25°C 365 days

Curing Performance

Cure Temperature Time Required
25°C 16-24 hours
45°C 4-6 hours
65°C 1-2 hours
A post-cure of 2-4 hours at the highest expected use temperature is recommended for optimal performance.

Cured Properties

Property Value
Hardness (Shore D) 90
Coefficient of Thermal Expansion (ppm/°C) 38 (Below Tg), 122 (Above Tg)
Glass Transition Temperature (°C) 62 (TMA), 78 (DMA Onset), 98 (DMA Tan Delta)
Water Absorption (%) 0.03 (1 day @ 25°C), 0.09 (7 days @ 25°C), 0.29 (1 hr @ 100°C)

Electrical Properties

Property Value
Surface Resistivity (ohms) 7.4 × 10¹⁶
Volume Resistivity (ohm-cm) 1.5 × 10¹⁵
Dielectric Constant / Dissipation Factor 4.6/0.018 (50 Hz), 4.8/0.01 (1 kHz), 4.4/0.019 (1 MHz)

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