Changsung Sheet

Color Deco Plate
Smartphone Back Cover Film Applied with High Strength Plastic Film Substituting Glass for Mobile

√. Product Features : Expressing gloss and texture like glass, superior anti-scratch property

TEST	UNIT	VALUE
Pencil Hardness(1kg)	H	4
Anti-Scratch (1kg/40RPM/2500 round trip)	The number of Scratch	0
Ball drop test (60Cm / 32g)	Visual	No defect
Bolling Test	Visual	No defect

Color Deco Film
Color Deco Film for Mobile Applied with Color OCA

√. Product Features : Able to realize high luminance / high durability PSA
Optically Clear and Various color Adhesive Film

TEST		UNIT	VALUE
Adhesion Strength (on glass)	30 min	gf/25mm	> 2200
	24 hr		> 2500
Detaching Strength of Liner	PF Film		< 10
	Release Film		< 10
Optical Property	Transmittance	%	> 25
	Haze		< 2
Reworkability		-	Possible

Multi-Functional Tape _ Tape for Preventing Separation of TV Panel
Tape for Preventing Separation of TV Case-Top and Panel by Fall and Shock

√. Product Features :
Easy to eliminate air when attaching the product
Superior adhesion and flexibility
Excellent rework, no sticky remaining of adhesive after peeling

ITEM			UNIT	VALUE	TEST METHOD
Thickness			um	77 ± 8	Excluding deformed film
Physical Property				CST-RET
Adhesion [180° Peel]	Room Temperature	SUS	gf/25㎜	45	Complying with the standards of component qualification test of LGE Tape
		Glass		47
	High Temperature, High Humidity (60℃/80%RH)	SUS		45
		Glass		47
	Low Temperature (-25℃)	SUS		40
		Glass		41
Adhesion [180° Peel]		SUS		無	Visual inspection (after assessment of room temperature/ high temperature, high humidity / low
		Glass		無

Multi Functional Tape _ LED Array Double Tape
Tape for Attaching and Fixing LED Array and Utensils

√. Product Features : Superior adhesion / excellent thermal resistance / great product sizes and stability

ITEM		UNIT	VALUE	TEST METHOD
Thickness		um	80 ±10	Thickness Gauge
180 º Peel Strength	SUS	gf/25㎜	> 1,500	KS T 1028
Holding Power	60℃ / 1Kg / 1hr	㎜	< 3	KS T 1028
Temp. Resistance		℃	120	-
Color		-	Transparent	Naked Eyes
Adhesive		-	Acrylic	-

Multi Functional Tape _PU Foam Pad Double Tape
Tape for Attaching and Fixing TV (OLED) Back Cover and Utensils

√. Product Features :
Superior prevention of light leakage
Excellent shock absorption.
Great adhesion and re-working function.

ITEM			UNIT	VALUE	TEST METHOD
Thickness			mm	0.3±15%	Thickness Gauge
Dynamic Tensile (Strength of PET Layer)	상온		Kgf/cm2 (Maximum Weight)	10.4	Complying with the standards of LGD test
	60℃			4.1
	80℃			3.7
180º Peel Test (Surface Adhesion)	SUS	60℃	Kgf/25mm	2.5
		80℃		2.8
Static Tensile	1kg weight	80℃	Minute	1,490
Static Shear	2kg weight	80℃		6m 12s
Hydrolysis Test	85℃*80%		%	-9.3

Multi-Functional Tape _ High Adhesion Double-Sided Tape for Retro-Reflective Film :
High Adhesion Double-Sided Tape that Maintains Its Adhesion in Harsh Outdoor Environments

√. Product Features :
Superior adhesion (adherend: PE, PET, PVC).
Excellent thermal resistance.
Great environment resistance.
Superior performance of maintaining thermal resistance (90˚ Holding Power).

ITEM			UNIT	VALUE	REMARK
Total Thickness (um)			um	75±10%	Thickness Gauge
SUS Adhesion (180° Peel/gf/25mm)	Room Temperature		Kgf/cm2 (Maximum Weight)	4.0	KS A 1107
	70℃			6.5
	-20℃			3.7
Retro-Reflective Film Adhesion (180° Peel/gf/25mm)	Room Temperature			4.9
	70℃			5.6
	-20℃			4.9
Holing Power (90º Peel/1Kg/25mm)	70℃	SUS	Time	4’ 30’’	Chang-sung Test Method
Retro-Reflective Film		4’ 21’’

PRODUCTS

Back Plate & Protection Film