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Physical materials testing

The following list is an excerpt from our testing scope “physical material testing”. We are gladly prepared to give you further information on specific analyses and projects: Just contact us!

  • Examination of Paper and Board – Basic Properties / Optical Properties

    • Grammage
      ISO 536
    • Thickness, density and specific volume
      ISO 534
    • Moisture content / Dry matter content
      ISO 287
      ISO 638
    • Reflectance factor - D65 brightness (Outdoor daylight conditions)
      ISO 2470-2
    • Further optical properties (CIE-whiteness, opacity…) available on request

  • Examination of Paper and Board – Mechanical Properties / Surface Properties

    • Tensile properties (tensile strength, stretch at break, tensile energy absorption, breaking length, tensile index etc.)
      ISO 1924-2
    • Wet tensile strength, wet tensile strength retention, wet tensile stretch
      ISO 3781
    • Bursting strength, burst index
      ISO 2758
    • Wet bursting strength, wet burst index
      ISO 3689
    • Tearing resistance (Elmendorf method), tear index
      ISO 1974
    • Folding endurance (Number of double folds according to Schopper)
      ISO 5626
    • Roughness (Bendtsen)
      DIN 53108
      ISO 8791-2
    • Ring crush test, RCT
      ISO 12192
    • Flat crush resistance after laboratory fluting, CMT
      ISO 7263-1
    • Flat crush resistance – single wall corrugated fibreboard, FCT
      ISO 3035
    • Wax pick test (Dennison)
      TAPPI T459
    • Determination of scratching components (Bekk)
      DIN 19302, section 8

  • Examination of Paper and Board – Behaviour towards liquids, solids and gases

    • Water absorptiveness (Cobb method)
      ISO 535
    • Air permeability (Bendtsen method)
      DIN 53120-1
      ISO 5636-3
    • Air permeability (Gurley method)
      ISO 5636-5
    • Water vapour transmission rate (gravimetric method)
      DIN 53122-1
      ISO 2528
      ISO 12572
    • Grease resistance – Permeability test
      DIN 53116
      ISO 16532-1
    • Grease resistance – Surface repellency test (KIT)
      TAPPI T559
      ISO 16532-2
    • Grease resistance – Turpentine test
      TAPPI T454
      ISO 16532-3
    • Capillary rise (Klemm method)
      ISO 8787
    • Filtration speed
      Herzberg

  • Examination of Paper and Board – Resistance to ageing

    • Accelerated Ageing – Dry heat treatment
      ISO 5630-1
    • Accelerated Ageing – Moist heat treatment
      ISO 5630-3
    • Lifespan classes (LDK)
      DIN 6738
    • Paper for documents – Requirements for permanence
      ISO 9706
      ISO 11108
    • Permanent paper – Requirements and test methods
      NEN 2728
    • Boxes and File Covers for storage of documents
      ISO 16245
    • Paper - Requirements for stability for general graphic applications
      ISO 20494

  • Examination of Tissue paper and Tissue products (Hygiene paper)

    • Single-sheet thickness, Bulking Thickness
      ISO 12625-3
    • Tensile strength and stretch at break
      ISO 12625-4
    • Wet tensile strength
      ISO 12625-5
    • Grammage
      ISO 12625-6
    • Optical Properties - D65 brightness (outdoor daylight)
      ISO 12625-7
    • Water-absorption capacity
      ISO 12625-8
    • Tensile strength of perforated lines
      ISO 12625-12
    • Verification of product specifications (e.g. sheet size, sheet count, ply amount, weight of roll...)
      according to customer's specification

  • Examination of materials and sterile barrier systems according to ISO 11607-1 (packaging for terminally sterilized medical devices)

    • Sterilization wrap (plain paper, crepe paper, nonwoven)
      DIN EN 868-2
    • Paper for use in the manufacture of paper bags, pouches and reels
      DIN EN 868-3
    • Paper bags
      DIN EN 868-4
    • Sealable pouches and reels
      DIN EN 868-5
    • Paper for low temperature sterilization processes
      DIN EN 868-6
    • Adhesive coated paper for low temperature sterilization processes
      DIN EN 868-7
    • Uncoated nonwoven materials of polyolefines
      DIN EN 868-9
    • Adhesive coated nonwoven materials of polyolefines
      DIN EN 868-10
    • Microbial barrier – Impermeability (gas-tight materials)
      ISO 11607-1, Annex C
    • Microbial barrier – Germ proofness (porous materials)
      DIN 58953-6
    • Microbial barrier – Integrity of sealings
      ASTM F 1929, method A
    • Seal strength of flexible barrier materials
      DIN EN 868-5, Annex D
      ASTM F 88
    • Accelerated ageing of sterile barrier systems for medical devices
      ASTM F 1980

  • Examination of films and plastic bags

    • Thickness
      DIN 53370
      ISO 4593
    • Tensile properties (tensile strength, tensile strain at break)
      ISO 527-3
    • Dart-Drop-Test
      ASTM D 1709
    • PE-bags and -reels - Dimensions, Welding seam quality
      GKV test and evaluation clause
    • Flexible carrier bags - Volume
      DIN EN 13590
    • Plastic sacks - Leakage resistance
      DIN EN 13592
    • Verification of product specifications (e.g. bag size, bag weight, bag count per roll, strength of the seled seams)
      according to customer's specification
    • Examination of security tamper-evident bags (STEBs)
      AVS&C STEB-PROT
    • Examination of security bags (e.g. money bags, documentbags)
      according to customer's specification