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Everwide FS168W11 Moisture-Curing Modified Silicone Adhesive (Tin-Free)

Product code: FS168W11

Manufacturer: Everwide

Package size: 300 ML, 1KG, 5 KG

Shelf Life: 6 months

FS168W11 Moisture-Curing Modified Silicone Adhesive (Tin-Free)

Product Description:
FS168W11 is a high-performance, moisture-curing modified silicone adhesive with excellent adhesion to plastics, metals, and glass. It is an environmentally friendly, tin-free adhesive that cures through exposure to air, forming a tough, elastic bond. The formulation minimizes material erosion, making it mild, odorless, and safe for various applications. Additionally, it features a fluorescent detection function for easy inspection.

Key Features:

  • Tin-free formulation
  • Strong adhesion to multiple substrates (plastics, metals, glass)
  • Flexible and impact-resistant after curing
  • Stable across a wide temperature range
  • Low molecular weight siloxane emissions—safe for electronics
  • One-component system—ready to use
  • Fast surface drying and full curing in ambient conditions
  • Compliant with 2011/65/EU RoHS regulations and UL94V-0 flame retardancy

Applications:
Ideal for industrial bonding, sealing, and encapsulating applications, particularly in electronics, automotive, and general manufacturing where high flexibility and durability are required.

Uncured Properties

Property Value/Description
Composition Polyether resin
Appearance Liquid
Color White
Viscosity (25°C, S14 10rpm, cps) 40,000–60,000
Thixotropic Index >2.0
Specific Gravity (@25°C) 1.65
Solvent Content (%) 0

Curing Properties

Property Value
Surface Dry Time (25°C, min) 7
Initial Curing Time (25°C, min) 30
Full Curing Time (2.5mm, 25°C, 50% RH, hrs) 12
Full Curing Time (2.7mm, 25°C, 50% RH, hrs) 16
Full Curing Time (3.2mm, 25°C, 50% RH, hrs) 1
Full Curing Time (3.8mm, 25°C, 50% RH, hrs) 3
Full Curing Time (5.6mm, 25°C, 50% RH, hrs) 7

Cured Properties

Property Value
Glass Transition Temperature (°C) <-35
CTE (<Tg) (ppm/°C)* 168
CTE (>Tg) (ppm/°C)* 204
Hardness (Shore A, ASTM D2240-03) 80
Water Absorption Ratio (25°C/24hr, %) 1.15
Elongation (%) 105
Volume Shrinkage (%) 1.40
Young’s Modulus (MPa) 3.17

Shear Strength (kg/cm²)

Substrate Strength
PC vs. PC 25
ABS vs. ABS 15
PMMA vs. PMMA 43
PET vs. PET 22
PVC vs. PVC 39
Cu vs. Cu 43
SUS vs. SUS 36
Glass vs. Glass 27
Al vs. Al 28

Peel Strength (kg/25.4mm)

Substrate Strength
NBR 2.5
SBR 2.6
EPDM 1.8
Silicone Rubber 0.3

Electrical Properties

Property Value
Thermal Conductivity (W/m·K) 0.50
Surface Resistivity (Ω) 1.02 × 10¹²
Volume Resistivity (Ω·cm) 1.03 × 10¹¹
Dielectric Constant (100Hz) 3.8 (0.02)
Dielectric Constant (1kHz) 3.4 (0.04)
Dielectric Constant (1MHz) 3.0 (0.05)
Dielectric Strength (KV/mm) 14
Temperature Range (°C) -40 to 100

Thermal Strength (Shear Strength, kg/cm²)

Temperature Strength
25°C 28
50°C 28
80°C 26
100°C 16
120°C 10
150°C 9

Thermal Aging (Shear Strength, kg/cm²)

Cycles Strength
0 28
100 28
200 32
300 35
400 35
500 39

High Temperature & Humidity Resistance (80°C, 90%RH)

Time (hrs) Strength (kg/cm²)
0 28
24 28
72 28
168 33
500 39
1,000 48

Storage & Shelf Life

Packaging Type Shelf Life
170ml Laminated Hose, 300ml HDPE Plastic Pipe 6 months (14–34°C, dark, unopened)
30ml, 50ml Plastic Syringe (vacuum sealed with desiccant) 6 months (14–34°C, dark, unopened)

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