Name of Product

Ecological cow leather

Composition                                                                                 

80% real leather+10%PU coating+5%cotton+5%polyester

Texture of surface leather

Printing and Embossing Auto Nappa

Width

1.37meters /  54inches

Thickness

1.4-1.6mm

Weight

800-1200g/m2

Surface color

Stone steel white red chocolate black brown beige mahogany etc

Backing color

Common color: Natural color ,black,light brown,coffee

Abrasion resistance

At least 250,000 Martindales

Tensile strength

Weft: >70lbf/3cm  Longitude: > 80lbf/3cm

Tearing strength

Weft: >10lbf/3cm  Longitude: >12lbf/3cm

Peeling strength

Weft: >3kg/3cm   Longitude: > 3kg/3cm

Elongation

Weft: >15%   Longitude: > 10%

Anti-hydrolysis(shelf life)

At least 5 years

Color fastness to light

> BWS 5

Cold crack of finishing

No cracking -30℃

Fire Retardant

BS5852  CA117  FAR25.853  CFR1633  FMVSS-302

Color fastness to Rubbing

(Change of leather color)

Dry: >500 cycles GSR 4

Wet:>250 cycles, GSR 4  Perspiration:>80cycles GSR4

Test

Method

Requirement

Results

Pass/Fail

Azo dyetuffs

(Arylamines)

BLC7C.1based on

BS EN ISO

17234-1:2010

Not detectable

(detection limit:30mg/kg)

None detected

(<30mg/kg)

Pass

Chromium VI,soluble

BS EN ISO

17075:2007

Not detectable

(detection limit:3.0mg/kg)

None detected

(<3.0mg/kg)

Pass

Formaldehyde

BLC 7A.9 based on

BS EN ISO

17226-1:2008

General <75mg/kg

54mg/kg

Pass

Chlorinated phenols

PCP,TCP&TeCP

BLC 7B.5 based on

BS EN ISO

17070:2006

Not detectable

(detection limit:1.0mg/kg)

None detected

(1.0mg/kg)

Pass

PH

BS EN ISO 4045:2008

Min.3.2.if the pH value is below 4 or above 10,the diff.figure shall be <0.7

PH=6.19

Pass

Extractable heavy metals screening

BS EN 71-3:1995

Migration of elements

Pass as specified in

BS EN 71-3:1995

See separate

table for indivi

-ual result

Pass