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UV Accelerating Tape
Polyfilm TM LT0050EP-1 is a UV accelerated thermosetting film. This material has the initial tackiness characteristics of a pressure sensitive tape prior to UV activation and it will reach final bonding strength after UV exposure. LT0050EP-1 allows the performance of a thermosetting HAF without the need of heat to allow for easy processing around heat sensitive areas.



Advantages:

• Fast curing at low temperature (room temperature curing)
• Strong bonding properties for transparent adherents such as plastics and glass while opaque adherents such as metals and textiles
• Applied to products which require higher bonding performance and replaced products that need high temperature activation and curing


Item

Unit

Value

Test Standard

Thickness

um

50±5

ASTM D374

Color

/

Translucent

Visual

UV Curing Parameter

 

365nm @70mW for 60 secs

SG Method

Open time after UV*

Hours

8

SG Method

Final bonding time (at RT)

Hours

48

SG Method

Final bonding time (at 70C)

Hours

3

SG Method

Glass transition temperature (after UV curing)

oC

66

DMA

180o Peel adhesion strength (SUS)

Before UV curing

N/inch

13

ASTM D3330

After UV curing

33

Dynamic shear strength

(SUS/SUS)

MPa

>15

ASTM D1002

Modulus (at ~23C)

Before UV curing

MPa

0.12

DMA

After UV curing

MPa

1478

DMA

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