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STS-UVA19

UVA19 is a class of UV curing adhesive with good fluidity and high cohesion, UVA20 has moderate viscosity and thixotropic index, and UVA30 has good base-high capacity, all of which are suitable for temporary masking of local plating, and are resistant to nickel-plating, gold-plating, silver-plating and other plating processes. The viscosity of the colloid has a wide range, which can be selected according to the customer's needs.

Classification:

Product Description

 Product overview

       UVA19 is a class of UV curing adhesive with good fluidity and high cohesion, UVA20 has moderate viscosity and thixotropic index, and UVA30 has good base-high capacity, all of which are suitable for temporary masking of local plating, and are resistant to nickel-plating, gold-plating, silver-plating and other plating processes. The viscosity of the colloid has a wide range, which can be selected according to the customer's needs.

       -   Cured with strong adhesion; at the same time has a high cohesion, suitable fracture elongation, in addition to the glue is not easy to break the gel.

       -   Suitable for both manual and automatic dispensing.

       -   Viscosity, thixotropic index and colour can be adjusted as required.  

 

Major application

Temporary masking of localised plating.

 

Characteristic indicators

UVA19

UVA20

UVA30

Viscosity/mPa.s(5rpm)

~2200

~47000

~67000

Thixotropic Index/TI (0.5/5rpm)

1.4

4.4

4.3

Tensile strength/MPa

21.7

20.6

21.4

Young's modulus/MPa

208

229

238

Elongation at break/%

177

181

195

Curing depth /mm(3000mJ)

1.5

1.4

1.4

90° Peeling Force @PCB/N

12.0

8.4

7.1

 

 

Key words:

UV adhesive  |  Conductive silver adhesive


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