of carpet tile backings - Interface
of carpet tile backings - Interface
of carpet tile backings - Interface
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21<br />
Adhesives used to install<br />
<strong>carpet</strong> <strong>tile</strong>s <strong>of</strong>ten emit much<br />
higher levels <strong>of</strong> VOCs than the<br />
<strong>carpet</strong> itself. This means that<br />
comparing VOC emissions from<br />
different types <strong>of</strong> <strong>carpet</strong> <strong>tile</strong>s is<br />
meaningless without including<br />
those from the adhesive. The<br />
most effective way to cut VOCs<br />
is to eliminate the need for glue<br />
altogether.<br />
The limit value for TVOCs<br />
for adhesives with “very low<br />
emissions” according to<br />
Emicode EC1 (and Blue Angel)<br />
is 1000 μg/m³ after 3 days<br />
or 100 μg/m³ after 28 days.<br />
For a <strong>carpet</strong> <strong>tile</strong> the limit value<br />
is 250 μg/m³ after 3 days<br />
or 100 μg/m³ after 28 days.<br />
Generally emissions from new<br />
materials decrease sharply in<br />
the first weeks and follow an<br />
exponential curve as shown in<br />
the comparison opposite.<br />
Typical emission decay curves for<br />
adhesive and <strong>carpet</strong> thresholds<br />
EC1 – “very low emissions” adhesive<br />
GUT – standard for <strong>carpet</strong><br />
1400<br />
1200<br />
TVOCs µg/m³<br />
1000<br />
800<br />
600<br />
400<br />
200<br />
Adhesive<br />
Carpet<br />
TacTiles*<br />
00<br />
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28<br />
Days<br />
*(TacTiles emissions tests performed by TNO)
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