The New Zipper Co LTD
MEDIUM DUTY ZIPPER - PVC
Short Spec 2007
|
ITEM |
SPECIFICATION/UNITS/COMMENTS |
|
ZIPPER |
8R and 8RS PVC40, PVC50, |
|
ZIPPER TAPE |
Nylon base fabric, coated with Plasticised PVC |
|
IPPER ELEMENTS |
Nickel Silver |
|
SLIDER BLOCK |
AB1 or PB1(non magnetic) |
|
CHAIN TENSILE STRENGTH |
Minimum 125 N/cm (Typically >175) |
|
SLIDER ACTION CLOSING |
Maximum 55 N (Typically <35) |
|
SLIDER ACTION DOCKING |
Maximum 75 N (Typically <50) |
|
TEMPERATURE RANGE |
+ 70 to - 5 Deg Celsius |
|
FIRE RETARDATION |
Not known |
|
CHEMICAL RESISTANCE |
Good within limitations of material |
|
PRESSURE TIGHT TEST |
35 kPa dry (98kPa with end stop greased) |
|
PRESSURE TEST METHOD |
MoD Int Def Stan 53/100-1 |
|
JAW WIDTH |
50mm |
|
RATE OF SEPARATION |
100mm/min |
|
PRODUCTION SPEC |
NZ Int Spec 1000-1 (Based on MoD Int Def St 53-100) |
* The slider and elements are considered NOT to be of dissimilar metals within the context of the USA MIL-STD 889b, due to the high copper content in each.
The performance aspects of this Specification are derived from long-term studies and tests of the BDM product, but are issued for guidance only. Any proposed use of the BDM zipper range must be fully tested by the user and no warranty is issued against failure of the zipper in new or old applications based purely upon the above figures, especially in life-threatening situations. PVC must be fully tested if cold weather use is intended.
Field Trials are ESSENTIAL
including suitability for the purpose, and RF welding of PVC zippers into suits or bags etc
The New Zipper Company disclaims any liability for failure of , or subsequent losses resulting from, the use of, the BDM product range where production error by NZ cannot be irrefutably proven. The New Zipper Company reserves the right to change any or all of the above specification in the continuing search for product improvement.
Spec Issue : 7 Date of Issue: 1st September 2007
Issued by: Mike Hamilton Scott, General Manager.
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