Sumitomo Bakelite Co., Ltd.

Pharmaceutical Products Packaging Materials (Materials for PTP)
SUMILITE™ VSL Series (High Moistureproof Multilayer Sheets)

Products

SUMILITE VSL Series (High Moistureproof Multilayer Sheets)

SUMILITE™ VSL series is high moistureproof sheets coated by polyvinylidene chloride(PVDC) sheets.

Plant

  • Amagasaki plant

Laboratory

  • Film & Sheets Research Laboratory

Features

Moisture barrier

SUMILITE™ VSL series have the highest level of water vapor barrier properties and are used for packaging medicaments which require especially high moisture resistance, such as capsulated drugs, non-pyrazolone painkilling drugs and antibiotics. Recently long-term quality assurance has been required of packaging materials in the primary packaging stage such as the indication of the term of validity of drug. SUM I LITE™ VSL series is a packaging material capable of answer for these requirements.

Oxygen barrier

In addition to moisture barrier, PVDC has oxygen barrier. You can use SUMILITE™ VSL series for high moisture barrier and oxygen barrier.

Applications

Packaging Materials for Pharmaceuticals

Packaging

Packaging materials for pharmaceuticals

Specifications

General properties
Items Measuring methods Unit Directions 4 layers 5 layers 2 layers 3 layers
VSL-4603 VSL-4606 VSL-4601-N VSL-4610-N VSL-4620 VSL-4701 VSL-4703 VSL-4705 VSL-4706 VSL-4375
Sheet thickness   mm   0.25 0.23 0.30 0.33 0.28 0.27 0.285 0.25 0.30 0.25
Tensile strength JIS K 6734 N/cm2 MD 4310 4490 4610 3720 3970 5590 5460 4900 5100 5300
TD 3920 4240 4310 3330 3870 4900 5010 4600 4800 5000
Elongation JIS K 6734 % MD 180 210 170 180 210 160 170 180 190 190
TD 200 210 140 180 210 170 190 200 230 180
Luminous
transmittance		 JIS K7361 %   87 88 85 85 86 87 87 87 86 86
Haze JIS K 7361 %   3.5 3.6 3.5 5.0 4.0 2.7 2.7 2.7 2.8 4.1
UV 90% absorbing
wave length		 UV visible
spectrophotometer		 nm   377 373 - 377 375 379 378 377 378 377

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
3 layers VSL-4375 3 layers 0.25 High moisture proofness
UV absorption
Improved cut off property		 0.40

Remark

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

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Topics More

Pharmaceutical Products Packaging Materials
(Materials for PTP) More

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