TTR INSTITUTE
Via Baden Powell 3/TER, 21052, Busto Arsizio, Italy
Visit website- Accredited standards
- 52
- ACCREDIA certificate
- 1
- Site in our directory
- 1
What this lab is accredited for
Our reading of the ACCREDIA scope: each standard once, with its official name where we have checked it.
Only this lab. Searches the 52 standard numbers and the 28 official names we hold. When no standard matches, it searches the method text of every scope line.
ISO31
ISO 1133-1Plastics - Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics - Part 1: Standard method
ISO 1183-1Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion method, liquid pycnometer method and titration method
ISO 1460Metallic coatings - Hot dip galvanized coatings on ferrous materials - Gravimetric determination of the mass per unit area
ISO 2505Thermoplastics pipes - Longitudinal reversion - Test method and parameters
ISO 3126Plastics piping systems - Plastics components - Determination of dimensions
ISO 3501Plastics piping systems - Mechanical joints between fittings and pressure pipes - Test method for resistance to pull-out under constant longitudinal force
ISO 3503Plastics piping systems - Mechanical joints between fittings and pressure pipes - Test method for leaktightness under internal pressure of assemblies subjected to bending
ISO 3815-1Zinc and zinc alloys - Part 1: Analysis of solid samples by optical emission spectrometry
ISO 6259-1Thermoplastics pipes - Determination of tensile properties - Part 1: General test method
ISO 8233Thermoplastics valves - Torque - Test method
ISO 8491Metallic materials - Tube (in full section) - Bend test
ISO 8492Metallic materials - Tube - Flattening test
Show all 31
ISO 9080Plastics piping and ducting systems - Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation
ISO 10147Pipes and fittings made of crosslinked polyethylene (PE-X) - Estimation of the degree of crosslinking by determination of the gel content
ISO 11357-1Plastics - Differential scanning calorimetry (DSC) - Part 1: General principles
ISO 11357-6Plastics - Differential scanning calorimetry (DSC) - Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT)
ISO 13056Plastics piping systems - Pressure systems for hot and cold water - Test method for leaktightness under vacuum
ISO 13479Polyolefin pipes for the conveyance of fluids - Determination of resistance to crack propagation - Test method for slow crack growth on notched pipes
ISO 13953Polyethylene (PE) pipes and fittings - Determination of the tensile strength and failure mode of test pieces from a butt-fused joint
ISO 13954Plastics pipes and fittings - Peel decohesion test for polyethylene (PE) electrofusion assemblies of nominal outside diameter greater than or equal to 90 mm
ISO 13955Plastics pipes and fittings - Crushing decohesion test for polyethylene (PE) electrofusion assemblies
ISO 13956Plastics pipes and fittings - Decohesion test of polyethylene (PE) saddle fusion joints - Evaluation of ductility of fusion joint interface by tear test
ISO 15874
ISO 15875
ISO 15876
ISO 15877
ISO 16770Plastics - Determination of environmental stress cracking (ESC) of polyethylene - Full-notch creep test (FNCT)
ISO 17454Plastics piping systems - Multilayer pipes - Test method for the adhesion of the different layers using a pulling rig
ISO 18553Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds
ISO 19893Plastics piping systems - Thermoplastics pipes and fittings for hot and cold water - Test method for the resistance of mounted assemblies to temperature cycling
ISO 21003Some materials
Limits written next to it
Tubi di materiale termoplastico/Thermoplastics pipes - solo/only UNI EN ISO 21003, UNI 10954,UNI 11344, W542
EN18
EN 331
EN 728
EN 1329
EN 1401
EN 1555
EN 1716
EN 1775Some clauses
Limits written next to it
EN 1775:2007 - solo/only App A
EN 12201
EN 12293
EN 12295
EN 12729
EN 12814-4
Show all 18
EN 13618Some clauses
Limits written next to it
EN 13618:2016 - solo/only Annex A.3
EN 13828Exclusion
Limits written next to it
valves for potable water supply - solo/only EN 13828
valves for potable water supply - solo/only EN 13828, EN13774
EN 14125Some clauses
Limits written next to it
UNI EN 14125:2013 - solo/only p.to
installation at petrol filling stations - solo/only UNI EN 14125, EN14800
installation at petrol filling stations - solo/only UNI EN 14125, EN14800,GW354
EN 15266
EN 24185
EN 28233
Other standards3
ASTM E415Standard Test Method for Analysis of Carbon and Low-Alloy Steel by Spark Atomic Emission Spectrometry
ASTM E1086Standard Test Method for Analysis of Austenitic Stainless Steel by Spark Atomic Emission Spectrometry
IEC 61386-24Exclusion
Limits written next to it
CEI EN 61386-24:2011 - solo/only cap
UNI EN ISO 3815-1:2005; UNI EN ISO 8491:2005; ISO 16770:2019; ISO 1183-1:2019; UNI EN ISO 1133-1:2022; ISO 11357-1:2023; ISO 11357-6:2018; UNI EN 1716:1998; EN 24185:1993
UNI CEI EN ISO/IEC 17025:2018; UNI EN ISO 1460:2020; EN 13828:2003; EN 331:1998/A1:2010; UNI EN 331:2011; UNI EN 331:2016; CEI EN 61386-24:2011; EN 1775:2007; UNI EN 14125:2013
UNI EN 14125; UNI EN 12729; UNI EN 15266; EN14800; UNI EN ISO 6259-1:2015; ISO 17454:2006; ISO 10147:2011; EN ISO 2505:2023; UNI EN ISO 2505:2005; ISO 13479:2022; UNI EN 728:1998; UNI EN 12201; UNI EN 1555; UNI EN ISO 15874; UNI EN ISO 15877; UNI EN ISO 21003; UNI 10954; UNI 11344; UNI EN ISO 15875; UNI EN ISO 15876; UNI EN 1329; UNI EN 1401
ASTM E415-21; ASTM E1086-22; UNI EN ISO 3126:2005; EN 13618:2016; ISO 18553:2002/Amd1:2007; ISO 13956:2010; UNI EN 12814-4:2018/EC1:2019
ISO 13954:1997/Amd1:2020; ISO 13955:1997/Amd1:2020; ISO 13953:2001/Amd1:2020; UNI EN ISO 8492:2014; UNI EN ISO 13056:2018; EN ISO 3503:2015 + EN 13618:2016; EN ISO 3501:2022 + EN 13618:2016
UNI CEI EN ISO/IEC 17025:2018; EN ISO 19893:2018 + EN 13618:2016; EN ISO 19893:2018; UNI EN 12293:2001; UNI EN 28233:1993 + EN 13618:2016; UNI EN ISO 8233:2024 + EN 13618:2016; EN ISO 8233:2024; UNI EN 28233:1993; ISO 9080:2012; UNI EN 12295:2001 + EN 13618:2016
Read from the scope as published by ACCREDIA. Register refreshed 2026-11-06.
Scope as published by ACCREDIA
7 lines
ISO/IEC 17025
Active00627
Accredited scope, certificate 00627
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | ASTM E415-21; ASTM E1086-22; UNI EN ISO 3126:2005; EN 13618:2016; ISO 18553:2002/Amd1:2007; ISO 13956:2010; UNI EN 12814-4:2018/EC1:2019 | Acciai basso legati/Low alloy steels; Acciai/Steels; Acciai inossidabili austenitico/Austenitic stainless steels; Componenti di materiale plastico/Plastics components; Componenti di materiale termoplastico/Thermoplastics components; Raccordi di materiale termoplastico/Thermoplastics fittings; Tubi di materiale termoplastico/Thermoplastics pipes; Giunti a fusione a sella in polietilene (PE)/Polyethylene (PE) saddle fusion joints; Giunti saldati di prodotti semifiniti di materiale termoplastico/Welded joints of thermoplastics semi-finished products; Giunzioni meccaniche tra raccordi e tubi in pressione/Mechanical joints between fittings and pressure pipes | 0 to 150 kN |
| 2 | UNI EN ISO 3815-1:2005; UNI EN ISO 8491:2005; ISO 16770:2019; ISO 1183-1:2019; UNI EN ISO 1133-1:2022; ISO 11357-1:2023; ISO 11357-6:2018; UNI EN 1716:1998; EN 24185:1993 | Materiali metallici: tubi (a sezione piena)/Metallic materials: Tubes (in full section); Materiali termoplastici/Thermoplastic materials; Materie plastiche non alveolari /Non-cellular plastics; Materie plastiche/Plastics; Prese in carico con derivazione a T di polietilene (PE)/Polyethylene (PE) tapping tees; Raccordi di materiale metallico/Metallic fittings, Raccordi di materiale termoplastico/Thermoplastics fittings, Tubi di materiale termoplastico/Thermoplastics pipes, Tubi in materiale metallico/Metallic Pipes; Raccordi di materiale termoplastico/Thermoplastics fittings, Tubi di materiale termoplastico | See scope document |
| 3 | UNI CEI EN ISO/IEC 17025:2018; EN ISO 19893:2018 + EN 13618:2016; EN ISO 19893:2018; UNI EN 12293:2001; UNI EN 28233:1993 + EN 13618:2016; UNI EN ISO 8233:2024 + EN 13618:2016; EN ISO 8233:2024; UNI EN 28233:1993; ISO 9080:2012; UNI EN 12295:2001 + EN 13618:2016 | Raccordi di materiale termoplastico/Thermoplastics fittings; Tubi di materiale termoplastico/Thermoplastics pipes; Valvole in materiale termoplastico/ Thermoplastic valves | 0 to 250 Nm |
| 4 | UNI CEI EN ISO/IEC 17025:2018; UNI EN ISO 1460:2020; EN 13828:2003; EN 331:1998/A1:2010; UNI EN 331:2011; UNI EN 331:2016; CEI EN 61386-24:2011; EN 1775:2007; UNI EN 14125:2013 | Rivestimenti su materiali ferrosi per immersione a caldo/Hot dip galvanized coatings on ferrous materials; Rubinetti a sfera di leghe di rame e di acciaio inossidabile per l'approvvigionamento di acqua potabile/Copper alloy and stainless steel ball valves for potable water supply; Rubinetti a sfera ed a maschio conico con fondo chiuso per impianti a gas/Ball valves and closed bottom taper plug valves for gas installations; Sistemi di tubi interrati ed accessori per installazioni elettriche/Conduit systems underground for cable management; Tubazioni di gas negli edifici/Gas pipework for buildings; Tubazioni interrate termoplastiche e di metallo flessibile per stazioni di servizio/Thermoplastic and flexible metal pipework for underground installation at petrol filling stations | - |
| 5 | UNI EN 14125; UNI EN 12729; UNI EN 15266; EN14800; UNI EN ISO 6259-1:2015; ISO 17454:2006; ISO 10147:2011; EN ISO 2505:2023; UNI EN ISO 2505:2005; ISO 13479:2022; UNI EN 728:1998; UNI EN 12201; UNI EN 1555; UNI EN ISO 15874; UNI EN ISO 15877; UNI EN ISO 21003; UNI 10954; UNI 11344; UNI EN ISO 15875; UNI EN ISO 15876; UNI EN 1329; UNI EN 1401 | Tubazioni interrate termoplastiche e di metallo flessibile per stazioni di servizio/Thermoplastic and flexible metal pipework for underground installation at petrol filling stations; Tubi di materiale termoplastico/Thermoplastics pipes; Tubi di poliolefine per trasporto fluidi/Polyolefin pipes for the conveyance of fluids; Tubi e raccordi di poliolefine/Polyolefin pipes and fittings | - |
| 6 | ISO 13954:1997/Amd1:2020; ISO 13955:1997/Amd1:2020; ISO 13953:2001/Amd1:2020; UNI EN ISO 8492:2014; UNI EN ISO 13056:2018; EN ISO 3503:2015 + EN 13618:2016; EN ISO 3501:2022 + EN 13618:2016 | Tubi e raccordi in polietilene (PE)/Polyethylene (PE) pipes and fittings; Tubi in materiale metallico/Metallic Pipes; Tubi in materiale plastico/Plastic pipes; Tubi, raccordi e assiemi in materiale termoplastico per il trasporto di fluidi/Thermoplastics pipes, fittings and assemblies for the conveyance of fluids | 0 to 150 kN |
| 7 | Extracted from the scope document; tables may not line up. View scope for the original. TTR INSTITUTE SRL
Via Baden Powell 3/TER
21052 Busto Arsizio VA
Legenda/Note
Allegato al certificato di accreditamento n. 00627 rev. 9 del 23/01/2025
UNI CEI EN ISO/IEC 17025:2018
Revisione: 35
Sede A
Data: 19/02/2025
pag. 7 di 7
Il simbolo (1), se presente, indica: "Materiale/Prodotto/Matrice" non previsto dal metodo ma assimilabile/The symbol (1), if present, means: Material/Product/Matrix not
provided for by the method but acceptable
Per la definizione della “categoria" di prova indicata nel titolo, si veda il Regolamento Generale ACCREDIA RG-02/For the definition of the test “category” indicated in the title,
see ACCREDIA General Regulation RG-02.
Il QRcode consente di accedere direttamente al sito www.accredia.it per verificare la validità dell'elenco prove e del certificato di accreditamento
rilasciato al laboratorio/The QRcode allows to directly access to the website www.accredia.it to verify the validity of the test list and of the
accreditation certificate issued to the laboratory.
L’eventuale simbolo “X” riportato nella colonna “O&I” indica che il laboratorio è accreditato anche per fornire opinioni e interpretazioni basate sui
risultati delle specifiche prove contrassegnate/Any "X" symbol in the "O&I" column indicates that the laboratory is also accredited to provide opinions
and interpretations based on the results of the specific marked tests.
L'eventuale simbolo (*) indica che è attiva una sospensione dell’accreditamento per la specifica attività riportata a fianco/Any symbol (*) indicates that
a suspension of accreditation is active for the specific activity shown next to it. | ||
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
Location
Labs with overlapping accredited scope in Italy
- KAIZEN LAB SRLOlgiate Olona · ~7 kmACCREDIAShares 1 accredited test methodASTM E415-21
- Laboratorio T.O.S.I.Legnano · ~7 kmACCREDIAShares 1 accredited test methodASTM E415-21
- IRCM - ISTITUTO RICERCA CONTROLLO MATERIALISolbiate Arno · ~15 kmACCREDIAShares 1 accredited test methodASTM E415-21
- I-TT LAB SRLSumirago · ~18 kmACCREDIAShares 1 accredited test methodASTM E415-21
- SIGMATRE LAB S.R.L.Garbagnate Monastero · ~43 kmACCREDIAShares 1 accredited test methodASTM E415-21
Accreditation data refreshed from the ACCREDIA register on .
This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the ACCREDIA entry linked above.