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General properties of SUMILITE® VSL Series
(High Moistureproof Multilayer Sheets)

General properties
Items Measuring methods Unit Directions 4 layers 5 layers 2 layers
VSL-4603 VSL-4606 VSL-4601-N VSL-4610-N VSL-4620 VSL-4701 VSL-4703 VSL-4705 VSL-4706
Sheet thickness   mm   0.25 0.23 0.30 0.33 0.28 0.27 0.285 0.25 0.30
Tensile strength JIS K 6734 N/cm2 MD 4310 4490 4610 3720 3970 5590 5460 4900 5100
TD 3920 4240 4310 3330 3870 4900 5010 4600 4800
Elongation JIS K 6734 % MD 180 210 170 180 210 160 170 180 190
TD 200 210 140 180 210 170 190 200 230
Luminous
transmittance
JIS K7361 %   87 88 85 85 86 87 87 87 86
Haze JIS K 7361 %   3.5 3.6 3.5 5.0 4.0 2.7 2.7 2.7 2.8
UV 90% absorbing
wave length
UV visible
spectrophotometer
nm   377 373 - 377 375 379 378 377 378

Remark

  • The values mentioned above are typical, and not guaranteed.

Moisture proofness
Grade Composition Thickness
(mm)
Properties Moisture
permeability
(g/m2, 24hr)
4 layers VSL-4603 4 layers 0.25 High moisture proofness
with a PVDC coating
UV absorption
Improved impact strength
0.90
VSL-4606 0.23 High moisture proofness
with a PVDC coating
UV absorption
Improved "Press Through" performance
0.48
5 layers VSL-4601-N 5 layers 0.30 High moisture proofness
with a PVDC coating
improved impact strength
0.76
VSL-4610-N 0.33 High moisture proofness
with a PVDC coating
UV absorption
improved impact strength
0.27
VSL-4620 0.28 High moisture proofness
with a PVDC coating
UV absorption
Improved "Press Through" performance
0.27
2 layers VSL-4701 2 layers 0.27 Global composition type
UV absorption
High moisture proofness
with a PVDC coating of 40g
0.76
VSL-4703 0.285 Global composition type
UV absorption
High moisture proofness
with a PVDC coating of 60g
0.56
VSL-4705 0.25 Global composition type
UV absorption
High moisture proofness
with a PVDC coating of 90g
0.40
VSL-4706 0.30 Global composition type
UV absorption
High moisture proofness
with a PVDC coating of 90g
0.40

Remark

  • Measuring method: Moisture permeability based on JIS K 7129-2
  • The values mentioned above are typical, and not guaranteed.