children warm long winter velour nightgown

content

Technical index

high-class product

first-rate product

qualified product

 size change rate after washed (knit fabric)%

breast

length-5.0%~+1.%

width-5.0%~+1.%

length-6.0%~+1.%

width-7.0%~+2.%

length-7.0%~+1.%

width9.0%~1.0%

Clothes length 

pants ( skirt) length

  size change rate after washed (woven fabric)%

 breast

≥-2.5

≥-3.0

≥-3.5

clothes length

 pants(skirt) length

color fastness / rate

washing 

≥4

≥3--4

≥3

 saliva

≥4

≥4

≥4

 perspiration 

≥4

≥3--4

≥3--4

 water

≥4

≥3--4

≥3--4

 ribbing 

 dry ribbing

≥4

≥4

≥4

wet ribbing

≥4

≥3--4

≥3

clothes ties sewing strength /N

≥70N

 buttons and other non-removable accessories tension

Don't fall off

heavy metal content (mg/kg)

 mercury

≤0.02

chromium

≤1.0

lead

≤0.2

arsenic 

≤0.2

copper

≤25.0

 deviation of fiber content/%

applied for FZ/T 01053

formaldehyde/(mg/kg)

≤20

 PH value

4.0~7.5

AZO Dyes

forbidden

peculiar smell

no

Note1: as GB/T4841.3 ruled, the color is more than 1/12dyes to dye belonged to deep color, color is less than1/12 dyes to dye belonged to light color. The color fastness to wet ribbing of he deep color qualified products can be lower half rate.

Note2: in anytime, it is not allowed to resolve AZO Dyes