Tonus 4 – Item 1110
Design: Nina Koppel
Type: Upholstery
Composition: 90% new wool, 10% helanca
Yarn type: Woolen
Binding: Plain
Width: Approx. 140 cm, 55 inches
Weight: Approx. 665 g/lin.m, 21.5 oz/ly
Foreign fibers may occur in light colours
Colour difference may occur
Cleaning: Vacuum clean frequently, ideally every week.
Remove stains as soon as they occur, with clean warm
water or sparkling water. Extraction clean when necessary.
Extraction cleaning might dissolve water-based glue. Pay
attention to temperature and amount of cleaning fluid.
Disinfection, see kvadrat.dk
More info: Care and maintenance kvadrat.dk
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Tonus 4
Abrasion
Approx. 100.000 Martindale rubs, EN ISO 12947
Abrasion test results exceeding ACT performance guidelines
are not an indicator of product lifespan. Multiple factors
affect fabric durability and appearance retention
Pilling
Note 3, EN ISO 12945
Seam slippage
Seam parallel to warp: 4.0 mm parallel to weft: 4.5 mm
EN ISO 13 936-2 180 Newton
Lightfastness
Note 5-7 ISO 105-B02
Fastness to rubbing
Dry note 3-5 ISO 105-X12
Wet note 3-5 ISO 105-X12
Absorption
0.45/Class D (flat), 0.60/Class B (waved) EN ISO 354
Airflow
233 Pa s/m EN 29053
Flame resistance
AS/NZS 1530.3
AS/NZS 3837 class 3
ASTM E84 Class A Unadhered
ASTM E84 Class B Adhered
BS 5852 crib 5 with treatment *
BS 5852 part 1
EN 1021-1/2
IMO FTP Code 2010 Part 8
NF D 60 013
NFPA 260
ÖNORM B1/Q1
SN 198 898 5.3 with treatment *
UNI 9175 1IM
US Cal. Bull. 117-2013
Free from added flame retardant chemicals as standard
* To pass this test flame retardant treatment is necessary.
We are looking into more environmentally friendly
alternatives but for now, the external finisher may use a
treatment containing halogen-based flame retardants
TONUS 4
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