Evidence of Performance 10.5 N / mm²

Evidence of Performance
o f a d h e s i v e s t r e n g t h o f wo o d a d h e s i v e s a c c o r d i n g t o D I N E N 1 4 2 5 7
(WATT 91)
Test Report
No. 13-003939-PR02
(PB-K15-09-en-01)
Client
Product
Designation
fischerwerke GmbH & Co. KG
Otto-Hahn-Str. 15
79211 Denzlingen
Germany
Wood adhesive
Konstruktionsklebstoff KK
Hardener
Portion of
hardener
-
Special features
-
Basis
DIN EN 14257 : 2006-09
Adhesives - Wood adhesives –
determination of tensile
strength of lap joints at elevated
temperature (WATT 91);
WATT ’91 (Wood Adhesives
Temperature Test), Determination of length joints tested by
tensile test with immersion of
temperature according to the
Guideline of Fachverband
Klebstoffindustrie e.V. Düsseldorf and ift Rosenheim
Test Report 505 42024/4 dated
30.11. 2009
-
Instructions for use
The present test report serves
to demonstrate the adhesive
strength of length joints in tensile test with a sample temperature of 80°C.
Adhesive strength according to DIN EN 14257 (WATT 91)
Validity
The data and results given relate solely to the tested and
described specimen.
10.5 N / mm²
ift Rosenheim
03.04.2014
Testing of adhesive strength
does not allow any statement
to be made on further characteristics of the tested adhesive
regarding performance and
quality.
Notes on publication
The ift-Guidance Sheet "Conditions and Guidance for the Use
of ift Test Documents" applies.
Karin Lieb, Dipl.-Ing. (FH)
Head of Testing Department
Building Material & Semifinished Products
Dr. Ing. Odette Moarcas
Operating Product Officer
Building Material & Semifinished Products
The cover sheet can be used
as abstract.
Contents
The report contains a total of
4 page/s
Ve-Prü-1345-de / 03-10 / 545
1 Object
2 Procedure
3 Detailed results
Evidence of Performance
Page 2 of 4
of adhesive strength of wood adhesives according to DIN EN 14257 (WATT 91)
13-003939-PR02 (PB-K15-09-en-01) dated 03.04.2014
Client
1
1.1
fischerwerke GmbH & Co. KG, 79211 Denzlingen (Germany)
Object
Description of test specimen
Building material
Manufacturer
Date of production
Product designation
Number of components
Hardener
Portion of hardener
Wood Adhesive
original client
October 2009
Konstruktionsklebstoff KK
1
-
To evaluate the performance of the adhesive, test specimen were made to DIN EN 205 with
a thin adhesive joint.
Type of wood
Apparent density kg/m3
Moisture content in %
Thickness of the joined parts in mm
Amount of adhesive in g/m2/Art
Open assembly time in sec.
Closed assembly time in min
Duration of pressure in h at (20 ± 2) °C
Magnitude of pressure in N/mm2
Beech, non-damped
700 ± 100
12 ± 1
5
approx.. 150, applied on both sides
ca. 30
ca. 0
ca. 2
ca. 1.0
The description is based on inspecting of the test specimen at ift. Article designations /
numbers as well as details of the material and gluing conditions were given by the client.
2
2.1
Procedure
Sampling
The adhesive was chosen by the client
Delivery
20 October 2009
Registration number
26891
To evaluate the performance of the adhesive, test specimens were produced at ift according to DIN EN 205 : 1997-07 with a thin adhesive joint.
Ve-Prü-1345-de / 03-10 / 545
Number of test specimen
20 samples
Evidence of Performance
Page 3 of 4
of adhesive strength of wood adhesives according to DIN EN 14257 (WATT 91)
13-003939-PR02 (PB-K15-09-en-01) dated 03.04.2014
Client
2.2
fischerwerke GmbH & Co. KG, 79211 Denzlingen (Germany)
Process
Technical basics
DIN EN 14257 : 2006-09
Adhesives - Wood adhesives – determination of tensile
strength of lap joints at elevated temperature (WATT 91);
WATT ‘91 (Wood Adhesives Temperature Test), determination of adhesive strength of length joints tested by tensile test
with immersion of temperature according to the Guideline of
Fachverband Klebstoffindustrie e.V. Düsseldorf and ift
Rosenheim
Boundary conditions
Correspond to the demands of the standard
Load speed
50 mm/min
Deviation
There were the following deviations from the test procedure
or test conditions.
Evaluation of 20 samples instead of 10 samples for each of
the storage sequences.
2.3
Test equipment
Press:
Device number: 21447
Material testing machine:
corresponds to DIN EN ISO 7500-1 : 1999-11
Device number: 22561
Oven with circulating air:
Device number: 22159
Normal climate room:
Device number: 22040
Measuring device for
cut width:
Ve-Prü-1345-de / 03-10 / 545
2.4
Device number: 22900
Testing
Date/Period
5 November 2009
Test engineer/s
Thomas Eder
Evidence of Performance
Page 4 of 4
of adhesive strength of wood adhesives according to DIN EN 14257 (WATT 91)
13-003939-PR02 (PB-K15-09-en-01) dated 03.04.2014
Client
3
fischerwerke GmbH & Co. KG, 79211 Denzlingen (Germany)
Detailed results
Table 1
Measured values and statistical evaluation to determine the adhesive strength at
80 °C for the adhesive Konstruktionsklebstoff KK
Test no.
Measuring data
N/mm2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
9.30
10.90
11.98
12.50
13.99
9.99
10.19
10.99
12.00
12.66
10.31
9.25
9.61
9.71
9.20
9.70
9.34
9.58
9.24
9.17
Number
Mean value
Standard deviation
Variation coefficient
Maximum
Minimum
Estimated wood rupture
Ve-Prü-1345-de / 03-10 / 545
ift Rosenheim
03.04.2014
20
10.48
1.42
13.56
13.99
9.17
0-100

Download Report