Test Report No. 7191201095-MEC18-ED dated 20 Feb 2019
Note: This report is issued subject to the Testing and Certification Regulations of the TÜV SÜD Group and the General Terms and Conditions of Business of TÜV SÜD PSB Pte Ltd. In addition, this report is governed by the terms set out within this report.
SUBJECT: Testing of flexible-cementitious waterproofing membrane.
TESTED FOR: Schomburg GmbH & Co.KG Aquafinstrasses 2-8 D-32760 Detmold Germany Attn: Mr Holger Sass
SAMPLE DESCRIPTION: The following items were received on 5 Dec 2018 as shown: Sample ‘Schomburg Aquafin 2K/M-Plus’ (refer to Photo 1) Part A Powder : ‘Aquafin 2K/M-Plus’ Part B Liquid : ‘Uniflex-M-Plus’
Size
Quantity
25 kg 10 kg
1 bag 1 bucket
The test samples were prepared by TUV SUD PSB Pte Ltd. As specified by the client, the mix ratio was 25 parts of powder to 10 parts of liquid by weight. Substrate a. 286 mm x 219 mm release paper b. 200 mm x 200 mm x 50 mm concrete slab c. 75 mm x 40 mm x 25 mm concrete t-block
Area of application 275 mm x 210 mm 200 mm x 200 mm 50 mm x 50 mm
Quantity 6 pcs 4 pcs 3 pcs
TEST METHODS: Material Identification/Verification 1.
ASTM E1252 : 1998 (2013) e1 Standard Practice For General Techniques For Obtaining Infra-Red Spectra For Qualitative Analysis Material Identification/Verification By Fourier Transform Infra-Red Spectrometric Analysis (FTIR)
Laboratory: TÜV SÜD PSB Pte. Ltd. No.1 Science Park Drive Singapore 118221
Phone : +65-6885 1333 Fax : +65-6776 8670 E-mail: enquiries@tuv-sud-psb.sg www.tuv-sud-psb.sg Co. Reg : 199002667R
Regional Head Office: TÜV SÜD Asia Pacific Pte. Ltd. 1 Science Park Drive, #02-01 Singapore 118221
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Water Penetration 2.
Adopted DIN 1048 Part 5 : 1991 Testing Concrete Testing Of Hardened Concrete Specimens Prepared In Mould Section 7.6 : Water Permeability Substrate Test condition Test area No. of determinations
: : : :
200 mm x 200 mm x 50 mm concrete slab 0.2 kgf/cm2 for 12 hours 97 mm (7390 mm2) 3
Adhesion-to-substrate 3.
Adopted ASTM D4541 : 2017 Standard Test Method For Pull-Off Strength Of Coatings Using Portable Adhesion Testers Substrate Test area Crosshead speed No. of determinations
200 mm x 200 mm x 50 mm concrete slab 50 mm x 50 mm 5 mm/min 3
Crack Bridging 4.
Adopted ASTM C836/C836M : 2015 Standard Specification For High Solids Content, Cold LiquidApplied Elastomeric Waterproofing Membrane For Use With Separate Wearing Course Section 6.7 : Crack Bridging Cross-reference : ASTM C1305/C1305 : 2016 Standard Test Method For Crack Bridging Ability Of Liquid-Applied Waterproofing Membrane Substrate Width of gap
: :
Crosshead speed No. of determinations
Option b, 75 mm x 40 mm x 25 mm concrete t-block a. 2 mm b. 1 mm for 10 cycles 0.05 mm/min 3 per gap width
Hardness 5.
ASTM D2240 : 2015 Standard Test Method For Rubber Property (Durometer Hardness) Apparatus Time interval No. of determinations
: : :
Durometer (Shore A) 1 second 5
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Set-to-touch 6.
Adopted ASTM D1640/D1640M : 2014 Standard Test Methods For Drying, Curing Or Film Formation Of Organic Coatings At Room Temperature Tensile Properties
7.
ASTM D412 : 2016 Standard Test Method For Vulcanized Rubbers And Thermoplastic ElastomersTension Test Conditions: a. Before ageing b. After ageing at 50 C in oven for 2 weeks c. After chemical immersion for 3 days i. 0.5% NaOCl (Sodium Hypochlorite) ii. 1.25% NH4OH (Ammonium Hydroxide) iii. 3.7% HCl (Hydrochloric Acid) Test specimen Gauge length Grip length Crosshead speed No. of determinations
: : : : :
Dumbbell shape, die C 25 mm 64 mm 500 mm/min 5 per test condition
Chloride Content 8.
Chloride Content By Potentiometric Titration
CONDITIONING: Unless otherwise specified, all test specimens were conditioned at 23 2 C, 70 15% relative humidity and tested at 23 2 C, 65 5% relative humidity. The adhesion-to-substrate, crack bridging, shore hardness, set-to-touch and tensile properties tests were conducted at 23 2 C and 50 5% relative humidity.
TEST RESULTS:
Test 1. Material Identification/Verification By FTIR
Unit -
2. Water Penetration, average
mm
‘Schomburg Aquafin 2K/M-Plus’ Styrene-acrylate co-polymer (refer to Figure 1) 0, no water penetration
HDB specification: Flexible-Cementitious Waterproof Membrane (Water-Based) For New Construction Project & Upgrading Contracts For Use With Concrete Water Tank Polymer which undergoes hydrolysis should not be used Depth of penetration should be 0
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3. 4. a. b.
Test Adhesion-to-substrate, average Crack Bridging 2 mm 1 mm
5. Hardness (Shore A), median 6. Set-to-touch (based on one coat) 7. a. Maximum Tensile Strength, median i. Before ageing ii. After ageing at 50 C in oven for 2 weeks change in tensile strength iii. After chemical immersion for 3 days 0.5% NaOCl change in tensile strength 1.25% NH4OH change in tensile strength 3.7% HCl change in tensile strength b. Elongation At Break, median i. Before ageing ii. After ageing at 50 C in oven for 2 weeks change in elongation iii. After chemical immersion for 3 days 0.5% NaOCl change in elongation 1.25% NH4OH change in elongation 3.7% HCl change in elongation c. Elongation At Break, displacement i. Before ageing ii. After ageing at 50 C in oven for 2 weeks iii. After chemical immersion for 3 days 0.5% NaOCl 1.25% NH4OH 3.7% HCl
Unit N/mm2 mm
‘Schomburg Aquafin 2K/M-Plus’ 0.6 No cracks No cracks
-
65
mins
60
HDB specification: Flexible-Cementitious Waterproof Membrane (Water-Based) For New Construction Project & Upgrading Contracts For Use With Concrete Water Tank 0.3 N/mm2 No cracking at 2 mm width No cracks after 10 cycles of stretching and closing to a width of 1 mm 40 Should touch dry within 2 hours
N/mm2 1.7 1.9 % % % % %
+11.8 1.9 +11.8 1.9 +11.8 1.8 +5.9 191.6 197.0
% % % % mm
+2.7 149.4 -22.0 179.2 -6.5 161.8 -15.6
1.5 N/mm2 1.2 N/mm2 and -ve change 40% No limit for positive change
150% 120% and -ve change 40% No limit for positive change
47.9 49.3 37.4 44.8 40.4
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Test 8. Chloride Content
Unit % weight
‘Schomburg Aquafin 2K/M-Plus’ 0.02
HDB specification: Flexible-Cementitious Waterproof Membrane (Water-Based) For New Construction Project & Upgrading Contracts For Use With Concrete Water Tank 0.1%
REMARKS: Test age : 28 days cured in air minimum prior to test unless otherwise specified.
_____________________ Eddie Suwand Testing Officer Senior Associate Engineer
______________________ Fabien Tan Engineer Real Estate & Infrastructure Mechanical Centre
Photo 1 : ‘Schomburg Aquafin 2K/M-Plus’
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Figure 1 : IR spectrum of ‘Schomburg Aquafin 2K/M-Plus’
Please note that this Report is issued under the following terms : 1.
This report applies to the sample of the specific product/equipment given at the time of its testing/calibration. The results are not used to indicate or imply that they are applicable to other similar items. In addition, such results must not be used to indicate or imply that TÜV SÜD PSB approves, recommends or endorses the manufacturer, supplier or user of such product/equipment, or that TÜV SÜD PSB in any way “guarantees” the later performance of the product/equipment. Unless otherwise stated in this report, no tests were conducted to determine long term effects of using the specific product/equipment.
2.
The sample/s mentioned in this report is/are submitted/supplied/manufactured by the Client. TÜV SÜD PSB therefore assumes no responsibility for the accuracy of information on the brand name, model number, origin of manufacture, consignment or any information supplied.
3.
Nothing in this report shall be interpreted to mean that TÜV SÜD PSB has verified or ascertained any endorsement or marks from any other testing authority or bodies that may be found on that sample.
4.
This report shall not be reproduced wholly or in parts and no reference shall be made by the Client to TÜV SÜD PSB or to the report or results furnished by TÜV SÜD PSB in any advertisements or sales promotion.
5.
Unless otherwise stated, the tests were carried out in TÜV SÜD PSB Pte Ltd, No.1 Science Park Drive Singapore 118221.
July 2011
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