NEOFOAMNEOFOAM

Technical Sheet

Description

Foam core: Polystyrene

  • G.P.P.S (General Purpose Polystyrene) resin manufactured by LG Chemical Ltd.
  • Grade: 25SPE
  • Application & Feature: Panel, Food containers under the food and health standard of FDA in USA, Electric components and Coating
Item Unit Value
Physical Melt Index (ASTM D1238) g/10min. 3
Mold Shrinkage (ASTM D955) % 0.4 ~ 0.8
Mechanical Tensile Strength (ASTM D638) ㎏/㎠ 530
Tensile Modulus (ASTM D638) ㎏/㎠ 29,400
Elongation at Break (ASTM D638) % 4
Flexural Strength (ASTM D790) ㎏/㎠ 1,000
Flexural Modulus (ASTM D790) ㎏/㎠ 33,300
Izod Impact Strength (ASTM D256) ㎏.㎝/㎝ 1
Rockwell Hardness (ASTM D785) *T.C.: R-scale 120
Thermal Heat Deflection Temp (ASTM D648) 88
Vicat Softening Temp. (ASTM D1525) 103
Flammability Test UL 94 class HB
Test IEC 707 min/min Fh1-28

Standard liners: Paper clay coated

  • Manufactured by HANKUK PAPER MFG CO., LTD.
  • Grade: 120/150/200 GSM matte art
  • Application & Feature: Printing/writing paper clay coated
Item Unit Value
120GSM 150GSM 200GSM
Basis Weight g/㎡ 120±3% 150±3% 200±5%
Caliper 112±3% 143±3% 202±5%
Smoothness sec 100 ↑ 90 ↑ 50 ↑
pH Value 7.2 7.2 7.2
Whiteness % 126±3% 130±3% 126±3%
Brightness % 100±3% 102±3% 100±3%
Ref.- 100% virgin pulp with chemical treatment
No lignin contained
Pulp: US Northern Mix, US Southern Mix, Aspen
Paper composition: Pulp, Filler, Additives

Film liners for digital printing: PE matte film

  • Thickness: 25㎛
  • Finish: On standard paper liners

Aluminum liners

  • Aluminum thickness: 6.3㎛
  • White film thickness (SOL): 25㎛
  • Application & Feature: Heavy-duty mounting
Item Unit SOL PM
Value Value
Paper Aluminum Paper (Acid-free) Aluminum
Basis Weight g/㎡ 200±5% 0.018780±3 90±3% 0.018780±3
Caliper 202±5% 6.3±5% 103±3% 6.3±5%
Smoothness sec 50 ↑ 60 ↑
pH Value 7.2 7.5 ~ 8.5 6.7 7.5 ~ 8.5
Whiteness % 126±3% 112±3%
Brightness % 100±3% 98±3%
Ref.- 100% virgin pulp with chemical treatment
No lignin contained
Pulp: US Northern Mix, US Southern Mix, Aspen
Paper composition: Pulp, Filler, Additives

Acid-free liners: Paper uncoated

  • Manufactured by HANKUK PAPER MFG CO., LTD.
  • Grade: 120/150 GSM wood free
  • Application & Feature: Printing/writing paper semi-grazed
Item Unit Value
120GSM 150GSM
Basis Weight g/㎡ 120±3% 150±4%
Caliper 139±3% 162±3%
Smoothness sec 45 ↑ 30 ↑
pH Value 6.7 6.7
Whiteness % 112±3% 100±5%
Brightness % 98±3% 98±2%
Ref.- 100% virgin pulp with chemical treatment
No lignin contained
Pulp: US Northern Mix, US Southern Mix, Aspen
Paper composition: Pulp, Filler, Additives

Color liners: Paper uncoated

  • Manufactured by SAMWHA PAPER CO., LTD.
  • Grade: 120 GSM wood free
  • Application & Feature: Point of purchase displays
Item Unit Value
Basis Weight g/㎡ 125±5%
Caliper 160±10%
Smoothness sec 20 ↑
Surface pH 7.2
Ref.- 100% virgin pulp with chemical treatment
No lignin contained
Pulp: US Northern Mix, US Southern Mix, Aspen
Paper composition: Pulp, Filler, Additives

Glue

Item Glue for lamination of paper on foam core Glue for Self-Adhesive
Appearance Milky white emulsion Yellow transparent viscous
Non-volotile (WT%) 50±1% 62±2%
Viscosity 1500~2000 (CPS/23℃) 4000±500 (CPS/25℃)
pH 7 4
Main composition Vinyl Acetate Monomer Acrylic ester copolymer
Vinyl Acetate Copolymer Ethyl Acetat, Toluene
Type EVA (Ethylene Vinyl Acetate) PSA (Pressure Sensitive Adhesive)
Solubility in water Dilute Solvent-solution
Basis Weight (g) 25 ~ 35 35 ~ 45
Caliper (㎛) 20 ~ 31 40 ~ 50
Release paper weight (g) 150±3
Release paper caliper (㎛) 160±3

Dimensional tolerances

  • Thickness: + - 0.5mm (1/50”)
  • Length and Width: + - 2.1mm (1/12”)
  • Squareness: Diagonals within 3.2mm (1/8”)
  • Flatness (Standard liners): Bend of 10 degrees compared to straight line
  • Flatness (Adhesive liners): Bend of 15 degrees compared to straight line