Lb-203 is a one component UV curable acrylate adhesive. The product is specially designed for the bonding and covering protection of electronic components; the product has the characteristics of medium viscosity, fast curing speed and good weather resistance.
Product performance before curing
Colorless transparent viscous liquid
Viscosity (25 ℃, rotary viscometer) 6500-9500 MPa · s
(GB/T 2794-2013)
Specific gravity (@ 25 ℃) 1.08
(GB/T 13354-1992)
Curing conditions
The curing rate and depth of lb-203 depend on the light intensity, the spectral distribution of the light source, the irradiation time and the light transmittance of the bonded material. The following data were measured under the condition of high pressure mercury lamp producing 20 MW / cm2 UV radiation
Surface dry time 25
Deep curing time (1 mm, s) 4
Complete curing energy 800 MJ / cm2
Properties of cured products
The following data were measured after the accumulated energy of high pressure mercury lamp source was 800mJ / cm2
Hardness (d) 70-75
(GB/T 2411-2008)
Bonding strength of bonding substrate (1 cm2) (kg / cm2)
PC/PVC ≥ 2
Stainless steel / glass ≥ 4
Electrical performance
Dielectric constant (1MHz) 3.2
(GB/T 1409-2006)
Dielectric loss (1MHz) 0.03
(GB/T 1409-2006)
Dielectric strength (kV / mm) 20
(GB/T 1408,1-1999)
Surface resistivity (Ω) 6.2 × 1015
(GB/T 1410-2006)
Volume resistivity (Ω. Cm) 7.8 × 1015
(GB/T 1410-2006)
Weatherability test
The following data were measured after the accumulated energy of high pressure mercury lamp source was 800mJ / cm2
Base material test condition bond strength retention rate (%)
PC/GLASS 65℃ 90% RH (72H) 80
PVC/GLASS 65℃ 90% RH (72H) 75
Stainless steel / PVC ﹥ 65 ℃ 90% RH (72h) 82
Stainless steel / glass ﹥ 65 ℃ 90% RH (72h) 92
Storage conditions
Please store it in a cool and dark place. Please cover the bottle after opening the cap. Do not pour the glue back to the original bottle before using it. The best storage temperature is 8-28 ℃, too high or too low will affect the performance of the glue, and the shelf life is 8 months.
packing:
250G / bottle, 1000g / bottle can be packaged according to user's needs
explain
The above data are measured by lebei technicians in the laboratory for customers' reference. However, due to the different methods and conditions of each customer, it is suggested that customers find out the best process and method according to their own conditions, and the measured data shall prevail.