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Bezel foam t ape


Description
Developed PU foam type with high tensile strength to secure impact resistance and toughness for TV bezel
Development direction
Category Generation 1 Generation 2
Concept Double-sided adhesive Skin Laminate
Description
Technology PU Foam + PSA PU Foam + Skin + PSA
Advantages High adhesion

High adhesion/retention
Excellent reworkability/Reworkable
Excellent processability

Disadvantages Not reworkable
Non-Rework 		High unit cost
Process complexity
Other Development completed 1. TPU with skin properties, PU application review
2. Giving the adhesive a skin function
3. PE Skin
Specialized Technology
01. PSA (Pressure Sensitive Adhesive) characteristics
  • a. High crosslinking density
  • b. Low initial adhesion (Tack) → Reduced compatibility with substrate, high cohesiveness
  • c. High cohesion → Excellent heat and chemical resistance of adhesives
  • d. Can be attached to high squeezing force
02. Technical characteristics
  • a. Product design technology considering the physical properties of PU foam (CFD, Foam Density)
  • b. PU Foam and combination based on high-reliability new PSA Recipe development technology
  • c. Process conditions (coating, lamination, etc.) optimization technology
03. Maximize performance
  • a. Maximization of adhesion characteristics: Normal temperature test, low temperature test, high temperature test, storage test, aging test
  • b. Maximize retention characteristics: Normal temperature test, low temperature test, high temperature test, high temperature and humidity test
  • c. T-Block characteristics maximized: Adhesion Retention T-Block Test, T-Block Limit Test
  • d. Understanding and utilizing PU Foam specifications (foam density, CFD, Skin/Foam thickness)
Properties Hard Type PSA Reliability Assessment Soft Type PSA
Adhesion OK Room temperature OK
OK Low temperature N.G or △ or adhesive transition occurs
OK High temperature N.G or △ or adhesive transition occurs
OK High temperature and humidity*24hr OK
OK High temperature and humidity*48hr N.G or △ or adhesive transition occurs
T-Block OK Apply 500g pendulum OK
OK Apply 1.5kg weight N.G or △ or adhesive transition occurs

High adhesion tape


Description
  • Acrylic foam tape for mounting vehicle interior and exterior parts
  • Excellent impact resistance, tensile strength, durability, and chemical resistance in various conditions provide excellent adhesion
  • Able to absorb physical stress from the external environment
Manufacture process
  • Lower energy cost and better quality control possible
  • Improved adhesion to various surfaces
  • Low VOC emissions
  • Fast curing speed
  • High solvent resistance, heat resistance, chemical resistance, UV stability
Specification
Item Unit SHA (G) 64 SHA (G) 80 Test Method
Total Thickness ㎛ 640㎛ ± 10% 800㎛ ± 10% Digital Upright Gauge
Color Gray
Liner description White paper or Red PE liner
Density Kg/㎥ 0.78 0.77
SUS Peel Strength N/25㎜ 38 over 43 over 180˚ Peel, ASTM D3330
Holding Power 10,000min Pass ASTM D3654
Dynamic Shear Strength N/25㎟ 630 over 600 over ASTM D3654

  • SUS Peel Strength Properties : N/25mm, 300mm/min, 25microns PET film backing, after 72hr
  • Holding Power Properties : 130℃ /1,000g/10,000min/ 25mm*25mm, after 5min
  • Dynamic Shear Strength Properties : 25 mm*25 mm size, load cell:5KN
    Peel speed :10 mm/min, Peel angle: 180 degrees after 72hr
Automobile

Flame Retardant Hot Melt Film


Description
  • Applied to the outer surface of aerogel pads used as thermal runaway prevention materials in EV batteries, effectively preventing particle shedding
  • Excellent flame retardancy and heat-sealing properties allow easy attachment to various surfaces
Product Detail
  • Urethane-based hot melt material provides excellent adhesion properties
  • Easily attaches to particle-rich surfaces (aerogel particles) as a hot melt film
  • Solutions optimized for various specifications and conditions
Aerogel pad covered with flame retardant hot melt film
Product Structure
Layer Thickness
Liner 50 ㎛
Flame Retardant Hot Melt Layer 36 ㎛
PET Based Substrate Layer 36 ㎛
Flame Retardant Layer 8 ㎛
Specification
Item Unit Value Remark
Color - White -
Total Thickness ㎛ 80 ± 5 Digital Upright Gauge
Flame Retardant Rating - VTM-0 UL94
Peel Strength gf / in. ≥ 1,000 ASTM D 3330

UV Release Tape for MLCC


Description
During the MLCC cutting process, this tape firmly holds the laminated bar while it is cut into chips. After cutting, UV irradiation sharply reduces the adhesion, allowing clean release without residue. It provides strong holding force during the process (up to 1,500 gf/inch) and clean, residue-free release afterwards (<10 gf/inch).
Product Detail
  • Material: PET film substrate + UV-curable acrylic adhesive (multi-layer structure including PET liner)
  • Key function: maintains strong holding force during the process (including high temperature of 90℃); UV irradiation sharply reduces adhesion for chip recovery without damage or residue
  • Slim design: thin-film structure improves processing precision and chip alignment accuracy
UV Release Tape for MLCC - strong holding force before UV (1,500gf/in), low adhesion after UV (<10gf/in) for easy chip separation
Specification
Item Unit Spec. Test Method
Thickness Total ㎛ 123 Digi-micrometer
PET Liner 23
UV Adhesive Layer 25
PET Base Backing 75
Adhesion Before UV (@25℃) gf / inch 1,500 KS T 1028:2009
300mm/min · 180° SUS304
Before UV (@90℃) 150
After UV < 10
Ceramic Chip Release pcs 20 UV Irradiation >100mW/㎠ · >1,000mJ/㎠ · ~365nm

Functional Film


Description
  • Electronics and display industry: Window film, optical films for PDLC (Polymer Dispersed Liquid Crystal), etc.
  • Industrial labels and packaging: high heat-resistant labels, etc.
  • Automotive industry: transparent films for HUD, etc.
Product Detail
  • Films for PDLC: top/bottom layer films laminated onto transparent conductive films (functional layers such as UV cut adhesive and hard coating)
  • IR Cut Film: prevents infrared-induced color distortion of camera image sensors — applied to smartphone/digital camera modules, automotive cameras (ADAS, dashcam, HUD), CCTV/security cameras, AR/VR and smart glasses, sports goggles, and projector/display optical paths
  • Properties and structures can be flexibly customized to customer requirements
IR Cut Film applications - smartphone camera module, CCTV, car camera, AR/VR goggles, projector
Design Range
Item Unit Value Remark
Base Film Thickness ㎛ 12~188 Min. 1.4 / Max. 250
Liner Thickness ㎛ 12~188 Paper liner and other materials available
Acrylic PSA Adhesion gf / inch 3~3,000 on SUS
Silicone PSA Adhesion gf / inch 1~1,000 on SUS

  • Adhesion may vary depending on adhesive layer thickness and substrate. (theoretical values)
  • Urethane PSA and single/double-sided/carrier-free structures are also available
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