Moth- and Beetle Proofing
Since 1 January 1995 textile floorcoverings having a share of wool exceeding 50 % have had to fulfill following specifications:
Basically, woollen carpets having a wool share of 50 % and more can only be awarded the GUT Signet if they are mothproofed.
As a moth- and beetle-proofing agent solely permethrin may be used up to a maximum limit of 210 mg/kg. Other pyrethroids are banned.
The permissible application methods are:
The following information must be included in the product description:
"Protected against wool pests"
GUT tests carpets made of natural fibres such as coconut, sisal and wool for pesticide residues.
The following pesticides should not exceed the limit value of 0.04 mg/kg for each individual substance and 1 mg/kg for the sum of all components:
o,p’ and p,p’ –DDE, –DDD and –DDT, α, β, δ, ε-hexachlorocyclohexane, aldrine, dieldrine, endrine, heptachlor, heptachloroepoxide, hexachlorobenzene, lindane, methoxychlor, mirex, toxaphene, α-and β-endosulphane, diazinon, dichlorofenthion, dichlorophos, malathion, parathion-ethyl, parathion-methyl, trifluralin, 2,4,5-T and 2,4-D