DELO DUALBOND AD4950 - Electronic Adhesive

DELO DUALBOND AD4950 - Electronic Adhesive

lien_he

  • This adhesive is suitable for two curing methods both by UV light and by humidity;
  • It has medium viscosity with one component, solvent-free base on modified acrylate.

 

Introduce:

 - It is a glue that is compatible with both UV drying and moisture, medium viscosity glue;

 - Ingredients: modified acrylate, 1-component glue, solvent-free;

 - Uniform elongation due to high elongation coefficient;

 - Operating temperature: -40 0 C ~ 150 0 C, depending on the application;

 - Compliant RoHS standard 2015/863/EU.

DUALBOND AD4950AD4950. in front
Photo of actual glue bottle (Photo HUST)

 

 Application:

 - Multipurpose for plastic/plastic, glass/plastic, metal/plastic, glass/glass, and glass/metal bondings;

- Tension-equalizing thanks to high elongation at tear.

AD4950.  al + cuAD4950.  al + cu.  2
Sealing crimp contacts (glazed Al wire) for washing machine motors (DELO photo)

Curing:

  • Curing with UV light or visible light in a wavelength range of 320 – 450 nm and by humidity in shadowed areas;
  • Humidity curing starts at the surface of the acrylate; skin is formed after a few hours; deep curing of the acrylate proceeds with approx. 2 mm / 24 h.

Lamp type

DELOLUX 20/50/80

Wavelength (nm)

365

400

460

Suitability

+

++

-

Note: ++ especially suitable, + suitable,  - not suitable

Specifications:

Color (in 1.0 mm layer thickness glue):

transparent, colorless

Density:

1.0 g/cm3

Viscosity

at 23 o C, Brookfield measurement, spindle head no. 7, speed 5 rpm:

36000 mPas

at 23 o C, rheometer measurement, PP20, gap 500 μm, shear rate 2 s-1

25400 mPas

Minimum UV curing time:

with LED – light intensity 60 mW/cm 2

10s

with LED – light intensity 200 mW/cm 2

4s

Glue surface after curing:

Dry

Compression shear strength

glass/glass

9 MPa

glass/Al

6 MPa

Glass/PA

8 MPa

Glass/PBT

4 MPa

Glass/FR4

11 MPa

PMMA / PMMA

8 MPa

Tensile strength:

8 MPa

Elongation at tear:

270 %

Young's modulus:

45 MPa

Shore A hardness:

77

Glass transition temperature:

72 0 C

Decomposition temperature:

206 oC

Coefficient of thermal expansion (CTE) in the range 30~140 0C:

217 ppm/K

Shrinkage:

4,6 %vol.

Water Absorption:

2,5 %wt.

Cl- ion content:

<5ppm

- ion content:

<5ppm

+ ion content:

<5ppm

Na + ion content:

<5ppm

Processing time (at 25 o C):

4 weeks

Storage time (minimum time sine customer receive goods):

6 months, stored at 0 ~ 10 0 C with an unopened container.

 

 Contact HUST Vietnam for more detailed information. 

HUST Vietnam is proud to be the exclusive distributor of glue, dispensing equipment, UV glue curing lamps, and technology transfer from DELO in Vietnam!

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