Lb-338 is a one component UV curing adhesive for bonding, sealing and fixing. It is suitable for glass, metal, PMMA, PVC, ABS, PS, PC and other plastics. It has a wide range of bonding materials, strong impact resistance, excellent water resistance, cold and heat resistance, small volume shrinkage and good thixotropy.
Field of use
It is used for bonding, fixing and sealing in the fields of sweeper, electronic components, cable reinforcement, solder joint protection, circuit board protection, data cable head fixing, etc.
performance index
Appearance: transparent liquid, visual inspection
Type: modified acrylic polyurethane
Solvent content: no solvent
Viscosity CPS: 10000 Brookfield DV - Ⅱ viscometer, 25 ℃,
SC4-15/150rpm
Thixotropic index: 5 Brookfield DV - Ⅱ viscometer, 25 ℃, sc4-15 / η 5rpm / η 30rpm
Solidification properties
Positioning time s: 2 2mm thick ordinary glass, f20t8 bl
UV lamp (0.8 MW / cm 2)
The deep curing property was cured by high pressure mercury lamp with wavelength of 365 nm and light intensity of 80 MW / cm 2 for 60 seconds
Properties after curing
Hardness (d): 80 GB / T 531.1-2008 curing test
Tensile shear strength (PMMA / PMMA): MPa ≥ 6 GB 7124-2008
Elongation at break%: > 180 GB / T 528-1998 curing test
Tensile strength MPa: ≥ 6 GB / T 528-1998 curing test
Glass transition temperature Tg (℃, DSC): 75 TA instrument dscq100 test
Water absorption (25 ℃ / 24hr): < 2%, refer to ASTM d570-95 test piece specification: round diameter 10mm × thickness 2mm)
Electrical performance:
Dielectric constant: 1MHz 3.9 dielectric loss: 1MHz 0.03 dielectric strength: 17 kv.mm -1 surface resistivity / Ω: 7.3 × 1015 volume resistivity / Ω. Cm: 7.1 × 101.
matters needing attention:
1. This product contains methacrylic acid and its ester monomers, which is slightly irritating to skin and eyes. If it splashes into eyes, please wash with plenty of water immediately. If you still have discomfort, please go to the hospital for examination. After skin contact, please wash with soap and plenty of water immediately.
2. Keep in a cool and dry place. Do not return the remaining glue to the original package. Tighten the bottle cap after use.
3. Storage period: one year (25 ℃ in a cool and dry place).