Potrebujeme váš súhlas na využitie jednotlivých dát, aby sa vám okrem iného mohli ukazovať informácie týkajúce sa vašich záujmov. Súhlas udelíte kliknutím na tlačidlo „OK“.
Standard Guide for Sampling Spray Polyurethane Foam and Coating in Roofing (Includes all amendments And changes 2/10/2021).
Automaticky preložený názov:
Štandardné Guide pre odber vzoriek Spray polyuretánovej peny a obliečky Strešná krytina
NORMA vydaná dňa 1.8.2013
Označenie normy: ASTM D7119/D7119M-13a
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.8.2013
Kód tovaru: NS-37599
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
coating thickness, core samples, roofing, polyurethane foam lifts, slit samples, sprayed polyurethane foam, ICS Number Code 83.100 (Cellular materials)
Significance and Use | ||||||||||||
4.1 Adequate coating thickness (mil thickness) is necessary to protect polyurethane foam from the effects of ultraviolet degradation. This guide outlines general procedures for sampling and measuring the coating thickness by using slit or core samples. 4.2 Thickness of individual lifts of sprayed foam will have a bearing upon foam stability. Core samples are used to determine foam thickness. Compressive strength and core density affect resistance to foot traffic and impact. Specimens from core samples are used to determine these properties using Test Methods D1621 and D1622. Visual examinations of core specimens also indicate the quality of adhesion of the coating and the foam, between foam lifts, and between foam and substrate. 4.3 Slit samples are used to visually examine the foam’s cell structure, the number of coating layers applied, dry film thickness of the coating, and coating adhesion. |
||||||||||||
1. Scope | ||||||||||||
1.1 This guide covers the removal of test specimens from spray polyurethane foam (SPF) roofing systems in the field for the purpose of examination of an existing system and/or quality assurance for new installations. It describes the types and purposes of sample cuts, visual inspection techniques, laboratory physical property tests, and repair of the core and slit sample holes. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
||||||||||||
2. Referenced Documents | ||||||||||||
|
Historická
15.4.2014
Historická
15.4.2014
Historická
15.12.2011
Historická
15.4.2014
Historická
1.1.2014
Historická
15.10.2013
Posledná aktualizácia: 2024-05-03 (Počet položiek: 2 896 946)
© Copyright 2024 NORMSERVIS s.r.o.