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[CCMC 14072-R] CCMC Canadian code compliance evaluation

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Compliance opinion

It is the opinion of the Canadian Construction Materials Centre that the evaluated products, when used as binder for oriented strandboards (OSB) in accordance with the conditions and limitations stated in this evaluation, comply with the following codes:

National Building Code of Canada 2015

ID Code provision Solution type
09-23-15-02-00-0-009.23.15.2. Material StandardsAlternative
09-23-16-02-00-0-009.23.16.2. Material StandardsAlternative
09-23-17-02-00-0-009.23.17.2. Thickness, Rating and Material StandardsAlternative
09-27-10-01-00-0-009.27.10.1. Material StandardAlternative
09-29-09-01-00-0-009.29.9.1. Material StandardAlternative
09-30-02-02-00-0-009.30.2.2. Materials and ThicknessAlternative

National Building Code of Canada 2020

ID Code provision Solution type
92315020000009.23.15.2. Material StandardsAlternative
92316020000009.23.16.2. Material StandardsAlternative
92317020000009.23.17.2. Thickness, Rating and Material StandardsAlternative
92710010000009.27.10.1. Material StandardAlternative
92909010000009.29.9.1. Material StandardAlternative
93002020000009.30.2.2. Materials and ThicknessAlternative

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 information

Product names

  • WANNATE®PM-200
  • WANNATE®PM-200S

Product description

The products are fast-curing binders made from polymeric diphenylmethylene diisocyanate (pMDI) that are used for the manufacturing of oriented strandboard (OSB). Due to their curing properties, the products are typically used in the core layer of the three layers that make up the OSB.

Manufacturing plant

This evaluation is valid only for products produced at the following plant:

Product namesManufacturing plant
Ningho, China
WANNATE®PM-200Product evaluated by the CCMC
WANNATE®PM-200SProduct 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 products may be used for the bonding of strands in the manufacturing of CSA O325-07, “Construction Sheathing,”-compliant OSB 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 WANNATE®PM-200 or WANNATE®PM-200S must conform to CSA O325 and be certified by an accredited certification body.

  Technical information

This evaluation is based on demonstrated conformance with the following criteria:

Evaluation requirements
Criteria number Criteria name
CCMC-TG-060523.08-15CCMC Technical Guide for Binders for Oriented Strandboard (OSB) and Waferboard
CCMC-TG-060523.08-20CCMC 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 products.

Material requirements

Physical properties

Table 1. Results of testing the physical properties of the OSB bound with product
Property Unit Requirement Result – WANNATE®PM-200 Result – WANNATE®PM-200S
Modulus of rupture (MOR) – (after preconditioning) MPa ≥ 17.2 average 29.3 average 35.8 average
Modulus of rupture (MOR) – (after preconditioning) MPa ≥ 13.8 individual 20.6 individual 32.8 individual
Modulus of elasticity (MOE) – (after preconditioning) MPa ≥ 3 100 average 4 226 average 4 924 average
Modulus of elasticity (MOE) – (after preconditioning) MPa ≥ 2 480 individual 3 176 individual 4 433 individual
Internal bond – (after preconditioning) MPa ≥ 0.345 average 0.487 average 0.835 average
Internal bond – (after preconditioning) MPa ≥  0.276 individual 0.450 individual 0.735 individual
Bond durability – MOR after 2-h boil (tested when wet) MPa ≥ 8.6 average 12.3 average 18.6 average
Bond durability – MOR after 2-h boil (tested when wet) MPa ≥ 6.9 individual 10.0 individual 17.0 individual
Bond durability – MOR after 6 cycles MPa ≥ 8.6 average 19.1 average 32.1 average
Bond durability – MOR after 6 cycles MPa ≥ 6.9 individual 13.3 individual 25.2 individual
Thickness swell – 24-h soak % ≤ 25 average 13.8 average 13.8 average
Thickness swell – 24-h soak % ≤ 30 individual 15.5 individual 15.5 individual
Linear expansion – oven-dry to saturated % ≤ 0.40 average 0.32 average 0.32 average
Linear expansion – oven-dry to saturated % ≤ 0.48 individual 0.38 individual 0.38 individual
Linear expansion – 50% to 90% relative humidity (RH) % ≤ 0.20 average 0.11 average 0.11 average
Linear expansion – 50% to 90% relative humidity (RH) % ≤ 0.24 individual 0.13 individual 0.13 individual

Prescriptive requirements

Creep properties at 20°C

Table 2. Results of testing the creep properties of the OSB bound with product at 20°C
Property Unit Requirement Result – WANNATE®PM-200 Result – WANNATE®PM-200S
Cumulative creep mm ≤ 1.7 average 2.01Footnote (1) average 1.62 average
Cumulative creep mm ≤ 2.04 individual 2.39Footnote (1) individual 1.79 individual
Secondary creep mm ≤ 0.4 average 0.35 average 0.21 average
Secondary creep mm ≤ 0.48 individual 0.44 individual 0.25 individual
Irrecoverable creep mm ≤ 1.1 average 1.20Footnote (1) average 1.06 average
Irrecoverable creep mm ≤ 1.32 individual 1.50Footnote (1) individual 1.18 individual

Creep properties at 30°C

Table 3. Results of testing the creep properties of the OSB bound with product at 30°C
Property Unit Requirement Result – WANNATE®PM-200 Result – WANNATE®PM-200S
Cumulative creep mm ≤ 2.2 average 2.23Footnote (1) average 1.71 average
Cumulative creep mm ≤ 2.64 individual 2.55 individual 1.93 individual
Secondary creep mm ≤ 0.4 average 0.42Footnote (1) average 0.35 average
Secondary creep mm ≤ 0.48 individual 0.51Footnote (1)  individual 0.40 individual
Irrecoverable creep mm ≤ 1.5 average 1.36 average 1.03 average
Irrecoverable creep mm ≤ 1.8 individual 1.53 individual 1.18 individual

Creep properties increased at higher ambient temperature (from 20°C to 30°C)

Table 4. Results of testing the creep properties of the OSB bound with product
Property Unit Requirement Result – WANNATE®PM-200 Result – WANNATE®PM-200S
Cumulative creep % ≤ 35 average 11 average 5 average
Cumulative creep % ≤ 42 individual 7 individual 8 individual
Secondary creep % ≤ 0 average 21Footnote (1) average 69Footnote (2) average
Secondary creep % ≤ 0 individual 16Footnote (1) individual 60Footnote (2) individual
Irrecoverable creep % ≤ 50 average 13 average –3 average
Irrecoverable creep % ≤ 60 individual 2 individual 0 individual

Performance requirements

Retention of properties – modulus of rupture (MOR)

Table 5. Results of testing the MOR of the OSB bound with product
Property Unit Requirement Result – WANNATE®PM-200 Result – WANNATE®PM-200S
Exposure after 2-h boil (modified) MPa ≥ 8.6 average 24.7 average 18.6 average
Exposure after 2-h boil (modified) MPa ≥ 6.9 individual 17.5 individual 17.0 individual
Exposure after 6 cycles MPa ≥ 8.6 average 19.1 average 32.1 average
Exposure after 6 cycles MPa ≥ 6.9 individual 13.3 individual 13.3 individual
Exposure at –20°C MPa ≥ 17.2 average 32.9 average 41.3 average
Exposure at –20°C MPa ≥ 13.8 individual 25.4 individual 30.9 individual
After fungal exposure to Aspergillus niger v. Teigh MPa ≥ 13.8 average 29.2 average 37.3 average
After fungal exposure to Aspergillus niger v. Teigh MPa ≥ 11.0 individual 19.6 individual 32.8 individual
After fungal exposure to Penicillium luteum MPa ≥ 13.8 average  27.9 average 36.6 average
After fungal exposure to Penicillium luteum MPa ≥ 11.0 individual 21.5 individual 32.8 individual
After soaking in 1% hydrochloric acid MPa ≥ 7.7 average 19.2 average 28.3 average
After soaking in 1% hydrochloric acid MPa ≥ 6.2 individual 13.4 individual 22.4 individual
After soaking in 1% sodium hydroxide MPa ≥ 12.0 average 22.0 average 31.3 average
After soaking in 1% sodium hydroxide MPa ≥ 9.6 individual 17.7 individual 20.6 individual
After soaking in water MPa ≥ 14.6 average 25.9 average 38.4 average
After soaking in water MPa ≥ 11.7 individual 17.4 individual 32.9 individual

Retention of properties – modulus of elasticity (MOE)

Table 6. Results of testing the MOE of the OSB bound with product
Property Unit Requirement Result – WANNATE®PM-200 Result – WANNATE®PM-200S
Exposure after 2-h boil (modified) MPa ≥ 1 550 average 4 249 average 5 154 average
Exposure after 2-h boil (modified) MPa ≥ 1 240 individual 3 625 individual 4 862 individual
Exposure after 6 cycles MPa ≥ 2 015 average 3 607 average 4 487 average
Exposure after 6 cycles MPa ≥ 1 612 individual 2 991 individual 3 754 individual
Exposure at −20°C MPa ≥ 3 100 average 4 672 average 5 487 average
Exposure at −20°C MPa ≥ 2 480 individual 3 463 individual 4 157 individual
After fungal exposure to  Aspergillus niger v. Teigh MPa ≥ 2 480 average 4 189 average 4 884 average
After fungal exposure to  Aspergillus niger v. Teigh MPa ≥ 1 984 individual 3 287 individual 4 487 individual
After fungal exposure to Penicillium luteum MPa ≥ 2 480 average 4 170 average 4 999 average
After fungal exposure to Penicillium luteum MPa ≥ 1 984 individual 3 422 individual 4 342 individual
After soaking in 1% hydrochloric acid MPa ≥ 2 480 average 4 045 average 5 741 average
After soaking in 1% hydrochloric acid MPa ≥ 1 984 individual 3 491 individual 4 052 individual
After soaking in 1% sodium hydroxide MPa ≥ 2 325 average 3 761 average 4 723 average
After soaking in 1% sodium hydroxide MPa ≥ 1 860 individual 3 183 individual 3 862 individual
After soaking in water MPa ≥ 2 790 average 4 327 average 5 101 average
After soaking in water MPa ≥ 2 232 individual 3 037 individual 4 482 individual

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.

Table 7. Results of testing the internal bond of the OSB bound with product
Property Unit Requirement Result – WANNATE®PM-200 Result – WANNATE®PM-200S
Exposure after 2-h boil (modified) MPa ≥ 0.104 0.107 0.434
Exposure after 6 cycles MPa ≥ 0.035 0.036 0.293
Exposure at −20°C MPa ≥ 0.345 0.608 0.814
After fungal exposure to Aspergillus niger v. Teigh MPa ≥ 0.207 0.320 0.541
After fungal exposure to Penicillium luteum MPa ≥ 0.207 0.336 0.598
After soaking in 1% hydrochloric acid MPa ≥ 0.069 0.131 0.332
After soaking in 1% sodium hydroxide MPa ≥ 0.155 0.151Footnote (1) 0.398
After soaking in water MPa ≥ 0.224 0.231 0.477

Administrative information

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.

Disclaimer

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.

Language

Une version française de ce document est disponible.
In the case of any discrepancy between the English and French version of this document, the English version shall prevail.

Copyright

© His Majesty the King in Right of Canada, as represented by the National Research Council of Canada, 2024

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.

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From: National Research Council Canada

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