Tonus is one of the preferred coverings for modern organic furniture designs that require a flexible and yet strong material. Kvadrat has sold more than 4 million metres of Tonus, and the upholstery now comprises a significant part of Kvadrat’s basis collection.
Design: Nina Koppel
Type: Upholstery Composition: 90% new wool, 10% Helanca Yarn type: Staple Binding: Plain Width: 130 cm Weight: Approx. 635 g/lin.m Repeat: None
Cleaning: Dry cleaning or cleaning with foam detergents
Abrasion
+ 50.000 rubs acc. to the Martindale method, EN ISO 12947
Pilling
Note 3, EN ISO 12945
Lightfastness
Note 5-7, ISO 105-B02
Flame resistance
EN 1021-1 / 2 BS 5852, ignition source 2-3 Önorm B1 / Q1 NF D 60 013 UNI 9175, 1IM US Cal. Tech. Bull. 117 IMO A.652(16)
Crib 5 and B2 when flame protected No use of brominated flame retardants
Benefits of wool
Wool is a renewable resource Wool is very comfortable because of its ability to absorb / give off humidity Wool is flame retardant Wool is biodegradable Wool is naturally soil resistant Wool ages with grace
Quality benefits
Very good abrasion Good lightfastness Flame retardant
Environmental benefits
Long life span No use of AZO dyes, which may split off carcinogenic acryl amines No use of dyes containing heavy metals / Complies with ETAD norm No content of formaldehyde No use of brominated flame retardants We adhere to the limits set by the Danish Environmental Protection Agency’s “List of Undesirable Substances”
Reduced Emissions
Indoor air quality certified under the Greenguard for Children & Schools Program, complies with CA Section 01350 requirements for schools and accepted for CHPS Low-Emitting Materials credits. www.greenguard.org