LOCTITE 420 Quick-drying Adhesive for high and low temperature resistant metal plastics for general purpose
LOCTITE 420 is a clear, colorless, all-purpose adhesive containing ethyl capillarity. Applicable to metals, rubber and plastics, Primer LOCTITE SF 770 or LOCTITE SF 7239 can also be used in combination with polyolefin. The initial fixation time is 5-20 seconds.
Product Features
1. Fast curing between two surfaces
2. Ideal products for bonding small and medium sized parts
3. It has good adhesion to most substrates
4. Suitable for metal, rubber and plastic
5. The initial fixation time is 5-20 seconds
6. Capillarity
7. No solvent
- 描述
- Global Tab
描述
420 is tested to the lot requirements of Military Specification Mil-A-46050C. Note: This is a regional approval. Please contact your local Technical Service Center for more information and clarification. Cure Speed vs. Bond Gap
The rate of cure will depend on the bondline gap. Thin bond
lines result in high cure speeds, increasing the bond gap will
decrease the rate of cure.
Cure Speed vs. Humidity
The rate of cure will depend on the ambient relative humidity.
The following graph shows the tensile strength develop
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TYPICAL PROPERTIES OF UNCURED MATERIAL
Specific Gravity @ 25 °C 1.12
Viscosity, Brookfield – HBT, 25 °C, mPa·s (cP):
Spindle TB, speed 10 rpm, , Helipath 18,000 to 35,000LMS
TYPICAL CURING PERFORMANCE
LOCTITE®
DSP 190024™ can be cured by exposure to UV
and/or visible light of sufficient intensity. Surface cure is
enhanced by exposure to UV light in the 220 to 260 nm range.
Cure rate and ultimate depth of cure depend on light intensity,
spectral distribution of the light source, exposure time and light
transmittance of the substrate through which the light must
pass.
Fixture Time
UV fixture time is defined as the light exposure time
required to develop a shear strength of 0.1 N/mm².
UV Fixture Time, Glass microscope slides, seconds:
6 mW/cm², measured @ 365 nm ≤10LMS
