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PT Scheme for Paper

[Programa Interlaboratorial para Ensaios em Papel]

EPTIS factsheet 291550 | Last revision 2017-06-09 | URL: https://www.eptis.bam.de/pts291550 https://www.eptis.bam.de/pts291550

PT provider
PT provider Instituto de Pesquisas Tecnológicas do Estado de São Paulo - IPT Instituto de Pesquisas Tecnológicas do Estado de São Paulo - IPT
Based in Brazil
Product groups Pulp and paper
Testing fields Materials evaluation
Technical details
Test item Tested property Testing method
Printing paper (coated) Specular gloss ISO 8254-1 (75 degree with a converging beam, TAPPI method)
Packaging paper Bursting strength ISO 2759
Compressive strength ISO 12192 (RCT)
Flat crush resistance after laboratory fluting ISO 7263 (CMT)
Water absorptiveness ISO 535 (Cobb method)
Paperboard Stiffness ISO 2493-2 (Taber method)
Printing Paper (uncoated) Moisture content TAPPI T 412
Grammage ISO 536
Thickness ISO 534
Air permeance ISO 5636-5 (Gurley method)
ISO 5636-3 (Bendtsen method)
Roughness ISO 8791-2 (Bendtsen method)
Smoothness ISO 5627 (Bekk method)
Surface strength TAPPI T 459 (wax pick test)
ISO brightness ISO 2470-1
Opacity ISO 2471
Bursting strength ISO 2758
Tensile properties ISO 1924-2 (Constant rate of elongation method - 20 mm/min)
Tearing resistance ISO 1974 (Elmendorf method)
pH of aqueous extracts ISO 6588-1 (cold extraction)
Ash on ignition at 525 degrees C ISO 1762
Aims of the PT scheme
Target group of participants
Linked to specific legislation / standards
Additional, subsidiary aims
Number of participants
Accredited or otherwise reviewed by a 3rd party

Accredited by Inmetro on the basis of ISO 17043


Operation is commissioned / requested by
Fees and frequency
Participation fee from 500 USD
Regularly operated Yes (3 times per year)
Year of first operation 1977
Contact details of the PT provider
Provider Contact person
Instituto de Pesquisas Tecnológicas do Estado de São Paulo - IPT
Av Professor Almeida Prado, 532
05508-901 São Paulo, SP

Phone: +55 11 3767 4483
Fax: +55 11 3767 4018
Web: http://www.ipt.br http://www.ipt.br
Renato Rodrigues Fioritti
Phone: +55 11 3767 4446
Fax: +55 11 3767 4098
Email: interlab@ipt.br interlab@ipt.br
If you find any mistakes please contact the responsible EPTIS coordinator in Brazil, Mr José Ricardo Bardellini da Silva. Mr José Ricardo Bardellini da Silva.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5