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  Straps and leather components
Wearing conditions of a leather strap

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Wear

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Moisture, rain, water droplets

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Sweat, sea water

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Dirty marks

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Sunlight

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Mechanical stresses (tensile, bending, torsion)

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Cosmetics, solvents

Specific tests for leather straps

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Friction tests, dry and wet conditions

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Water absorption, tropical climate, water drop test

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Sweat test, dye migration

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Dirty marks test (dust, Jeans)

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UV light test (xenon)

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Mechanical tests (tensile, tensile-torsion and bending tests in dry/wet conditions)

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Flexibility test

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Conformity assessment with regulations on allergenic and toxical substances(hexavalent chromium, azo dyes, PCP, TPC, formaldehyde..)

     
     



Bending cycles

Friction test

Our sections : 
- Consultancy in
electroplating
- Chemistry
- Chronofiable
- Leathers and polymers
- Materials
- Tribology

Our main services : 

- Allergenics and toxics
- Technical assistance
- Jewellery
- Chronofiable®
- Contaminants, cleanliness
- Corrosion
- Leathers
- JPR Kit
- Electroplating
- Climate tests
- Reliability
- Training
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- Materials
- SEM
- Metallography
- Watch movements and watch heads
- Polymers, elastomers
- Coatings
- Wear tests

About nickel : 

- Nickel allergy
- Nickel allergy caused by jewels
- European regulation and standards
 
 
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