[CCMC 14125-R] CCMC Canadian code compliance evaluation
From: National Research Council Canada
1 Covestro Circle
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It is the opinion of the Canadian Construction Materials Centre that the evaluated product, when used as a binder for oriented strandboard (OSB) in accordance with the conditions and limitations stated in this evaluation, complies with the following code:
National Building Code of Canada 2015
|ID||Code provision||Solution type|
|09-23-15-02-00-0-00||126.96.36.199. Material Standards||Alternative|
|09-23-16-02-00-0-00||188.8.131.52. Material Standards||Alternative|
|09-23-17-02-00-0-00||184.108.40.206. Thickness, Rating and Material Standards||Alternative|
|09-27-10-01-00-0-00||220.127.116.11. Material Standard||Alternative|
|09-29-09-01-00-0-00||18.104.22.168. Material Standard||Alternative|
|09-30-02-02-00-0-00||22.214.171.124. Materials and Thickness||Alternative|
The above opinion(s) is/are based on the evaluation by the CCMC of technical evidence provided by the evaluation holder, and is bound by the stated conditions and limitations. For the benefit of the user, a summary of the technical information that forms the basis of this evaluation has been included.
Product descriptionThe product is a binder that is used for the manufacturing of OSB. It is made from polymeric diisocyanate, monomeric diisocyanate and oligomers.
This evaluation is valid only for products produced at the following plant:
|Product name||Manufacturing plant|
|Baytown, TX, US|
|MONDUR® 541-LIGHT||Product evaluated by the CCMC|
Product evaluated by the CCMC Indicates that the product from this manufacturing facility has been evaluated by the CCMC
Conditions and limitations
The CCMC’s compliance opinion is bound by this product being used in accordance with the conditions and limitations set out below.
- The product may be used for the bonding of strands in the manufacturing of OSB that conforms to CSA O325-07, “Construction Sheathing,” in which the binders are intended to conform to the requirements of CSA O437.2-93, “Evaluation of Binder Systems for OSB and Waferboard,” as referenced in CSA O325, Article 5.2.3A.
- Each finished OSB panel product that uses MONDUR® 541-LIGHT must conform to CSA O325 and be certified by an accredited certification body.
This evaluation is based on demonstrated conformance with the following criteria:
|Criteria number||Criteria name|
|CCMC-TG-060523.08-15||CCMC Technical Guide for Binders for Oriented Strandboard (OSB) and Waferboard|
The evaluation holder has submitted technical documentation for the CCMC evaluation. Testing was conducted at a laboratory recognized by the CCMC. The technical evidence summarized below is for waferboard panels (i.e., non-oriented wafers) manufactured with the product.
|Modulus of rupture (MOR) after preconditioning||MPa||≥ 17.2||≥ 13.8||40.6||27.9|
|Modulus of elasticity (MOE) after preconditioning||MPa||≥ 3 100||≥ 2 480||5 076||4 107|
|Internal bond after preconditioning||MPa||≥ 0.345||≥ 0.276||0.877||0.729|
|Bond durability (MOR) after 2-h boil (tested when wet)||MPa||≥ 8.6||≥ 6.9||21.9||16.1|
|Bond durability (MOR) after 6 cycles||MPa||≥ 8.6||≥ 6.9||33.7||27.7|
|Thickness swell after 24-h soak||%||≤ 25||≤ 30||6.0||6.9|
|Linear expansion oven-dry to saturated||%||≤ 0.40||≤ 0.48||0.22||0.28|
|Linear expansion at 50% to 90% relative humidity (RH)||%||≤ 0.20||≤ 0.24||0.10||0.13|
Creep properties at 20°C
|Cumulative creep||mm||≤ 1.7||≤ 2.04||1.14||1.47|
|Secondary creep||mm||≤ 0.4||≤ 0.48||0.20||0.24|
|Irrecoverable creep||mm||≤ 1.1||≤ 1.32||0.66||0.82|
Creep properties at 30°C
|Cumulative creep||mm||≤ 2.2||≤ 2.64||1.31||1.52|
|Secondary creep||mm||≤ 0.4||≤ 0.48||0.16||0.19|
|Irrecoverable creep||mm||≤ 1.5||≤ 1.8||0.80||0.93|
Creep properties increased at higher ambient temperature (from 20°C to 30°C)
|Cumulative creep||mm||≤ 35||≤ 42||15||3|
|Secondary creep||mm||≤ 0||≤ 0||–21||–21|
|Irrecoverable creep||mm||≤ 50||≤ 60||22||13|
Retention of properties - modulus of rupture (MOR)
|Exposure after 2-h boil (modified)||MPa||≥ 8.6||≥ 6.9||43.3||35.7|
|Exposure after 6 cycles||MPa||≥ 8.6||≥ 6.9||33.7||27.7|
|Exposure at –20°C||MPa||≥ 17.2||≥ 13.8||48.4||38.8|
|After fungal exposure to Aspergillus niger v. Teigh||MPa||≥ 13.8||≥ 11.0||29.5||23.8|
|After fungal exposure to Penicillium luteum||MPa||≥ 13.8||≥ 11.0||31.1||18.1|
|After soaking in 1% hydrochloric acid||MPa||≥ 7.7||≥ 6.2||27.9||20.4|
|After soaking in 1% sodium hydroxide||MPa||≥ 12.0||≥ 9.6||35.9||27.5|
|After soaking in water||MPa||≥ 14.6||≥ 11.7||38.5||27.3|
Retention of properties - modulus of elasticity (MOE)
|Exposure||after 2-h boil (modified)||MPa||≥ 1 550||≥ 1 240||5 315||4 735|
|after 6 cycles||MPa||≥ 2 015||≥ 1 612||4 766||4 111|
|at –20°C||MPa||≥ 3 100||≥ 2 480||5 890||4 588|
|After fungal exposure to||Aspergillus niger v. Teigh||MPa||≥ 2 480||≥ 1 984||4 386||3 101|
|Penicillium luteum||MPa||≥ 2 480||≥ 1 984||4 530||3 241|
|After soaking in||1% hydrochloric acid||MPa||≥ 2 480||≥ 1 984||4 862||3 447|
|1% sodium hydroxide||MPa||≥ 2 325||≥ 1 860||5 021||4 071|
|water||MPa||≥ 2 790||≥ 2 232||5 348||4 527|
Retention of properties - internal bond
There is no individual result for the internal bond property given that the residual property requirements apply to the average of three test specimens for each test board.
|Exposure after 2-h boil (modified)||MPa||≥ 0.104||N/A||0.511||N/A|
|Exposure after 6 cycles||MPa||≥ 0.035||N/A||0.281||N/A|
|Exposure at –20°C||MPa||≥ 0.345||N/A||0.784||N/A|
|After fungal exposure to Aspergillus niger v. Teigh||MPa||≥ 0.207||N/A||0.617||N/A|
|After fungal exposure to Penicillium luteum||MPa||≥ 0.207||N/A||0.631||N/A|
|After soaking in 1% hydrochloric acid||MPa||≥ 0.069||N/A||0.410||N/A|
|After soaking in 1% sodium hydroxide||MPa||≥ 0.155||N/A||0.417||N/A|
|After soaking in water||MPa||≥ 0.224||N/A||0.541||N/A|
Use of Canadian Construction Materials Centre (CCMC) assessments
This assessment must be read in the context of the entire CCMC Registry of Product Assessments, any applicable building code or by-law requirements, and/or any other regulatory requirements (for example, the Canada Consumer Product Safety Act, the Canadian Environmental Protection Act, etc.).
It is the responsibility of the user to confirm that the assessment they are using is current and has not been withdrawn or superseded by a later version on the CCMC Registry of Product Assessments.
The National Research Council of Canada (NRC) has evaluated only the characteristics of the specific product described herein. The information and opinions in this evaluation are directed to those who have the appropriate degree of experience to use and apply its contents (such as authorities having jurisdiction, design professionals and specifiers). This evaluation is valid when the product is used as part of permitted construction, respecting all conditions and limitations stated in the evaluation, and in accordance with applicable building codes and by-laws.
This evaluation is provided without representation, warranty or guarantee of any kind, expressed or implied, and the NRC provides no endorsement for any evaluated product. The NRC accepts no responsibility whatsoever arising in any way from any and all use of or reliance on the information contained herein or the use of any evaluated product. The NRC is not undertaking to render professional or other services on behalf of any person or entity nor to perform any duty owed by any person or entity to another person or entity.
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© His Majesty the King in Right of Canada, as represented by the National Research Council of Canada, 2023
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of the CCMC.