Jiangsu Shereson International Co.ltd

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Character of Velcro --Shereson


Physical Characteristics

 

HEAT
RESISTANCE

Melting point:Hook230.c,Loop 180.c Maintains normal bonding performance during 1000 hours

COLD
RESISTANCE

Still work when temperature is-20.c,and the lower the temperature is, the larger the strength becomes, but with a decrease in durability.-20 

WATER
RESISTANCE

Retains 50% of closure strength in water and recovers 100% of strength after

CHEMICALS
RESISTANCE

Alkali: Within 50% of Alkaline sODA.within28% of ammonia.
Acid: Within 2.5% of Hydrochloric Acid, 15% of Sulphuric Acid, and 2.5% of Nitric Acid.


Strength test

WHEEL CYCLE
\
STRENGTH

PEEL STRENGTH
(G/CN)

SHEAR STRENGTH
(G/CM2)

ORIGINAL

250+

850+

1000TIMES

215+

740+

3000TIMES

182+

688+

5000TIMES

165+

637+


Color Fastness Test

Item

Result

Method

Against light

Change

Grade3+

CNS-1493 or JIS-L-0842

Change

Grade4+

Against Washing
Against Water

Stain

Grade3+

CNS-1493 or JIS-L-0842 A-4

Change

Grade4+

Against Hot Water

Stain

Grade3+

CNS-1495 or JIS-L-0842 3

Change

Grade5+

Against Sweat

Stain

Grade4+

CNS-1496 or JIS-L-0842 C

Change

Grade4+

Against Rubbing

Stain

Grade4+

CNS-1499 or JIS-L-0842 Ti


Test Criterion

1BS7271U.K2FEDD-STD-191U.S.A3CBSTAIWAN4JIS-L-1086JAPAN

 


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