1.1 Application

Button pull tensile test equipment is used to determine the holding or breaking strength of prong-ring attached snap fasteners onto garments,prevent the buttons divorce from the clothing，which case the dangerous if baby swallowing the buttons. So that every button and fixed parts on the clothing are required the detection of the button pull test.

Button pull testis a important testing procedure，especially in Infant and children’s clothing design and manufacturing. On the button fasteners apply a suitable power through the intensity of the instrument to record.When the tension table shows the appropriate intensity,the operator should immediately press the timer in order to calculate the time。

1.2 Scope

The purpose of Button pull test equipment to test the buttons and fasteners properly secured in the garment to defend the responsibility of the garment manufacturer. To ensure that the buttons and fasteners are properly secured in the garment，prevent the buttons divorce from the clothing，resulting in risk of infants have the opportunity to swallow.Therefore，buttons on all garments and fasteners is required by the detection of Button Pull Testing.

1.3 Significance and Effect

1、This test method used to measure the intensity of the vertical pull test buttons and clothingandthe button does not pull to out of clothing。

2、This test require button sewingspecificationsshould be in accordance with the standards set by the button manufacturer.

3、This test used to set updifferent dressedinthe environmentrelated，and to compare the different button types and brands.

4、The standard is not listed all the possible security problems in the use of, this may contain hazardous materials, operations and equipment. Therefore, users of the standard has the responsibility to establish the safety and health rules, and before use to determine the appropriate rules.

5、All buttons are need to use chain stitch tightening in the fabric.

6、Based on clause 4.21 EN 71: Part 1: 1988requirement，When the largestbuttonsizeisgreater than6mmor less than /equal toat6mm，buttons must beable to withstand90N(Newton)及50Npulling power.

7、Buttons must beadoptedclause 4.18 EN 71: part 1: 1988testing standards set bythesharpedge.

8、When the test is carried out in accordance with the standards listed in the steps(clause 4.21 EN 71: Part 1: 1988)，they should notbecrackedandspread。

9、When thesize reaches116 cm(6years old )must be through a smallobjecttest.