1. What Is A Zipper? A: The Connection Is Composed Of Two Flexible Tooth Chain Belts That Can Mesh With Each Other And A Pull That Can Be Repeatedly Pulled Apart And Pulled Together. A Zipper Is A Repeatable, Pull-apart Connection Consisting Of Two Flexible, Intermeshing, Single-sided Tooth Chains. 2. What Is The Type Of Zipper? A: Closed Tail Zipper, Single Open Tail, Double Open Tail Zipper. 3. What Is Dental Chain? Answer: The Two Matching Unilateral Imidors Continuously mesh With Each Other, Then The Two Sides Of The Imidors Will Synthesize A Tooth Chain. 4, Mi Tooth Width: Across The Width Between The Two Meshing Mi Teeth, Or The Width Of The Foot Of The Zipper Pulling Head On It. 5, What Is Pull Smoothness? Answer: Under The Specified Conditions, The Maximum Force In The Zipper Closing Process 6. What Is The Binding Force Of the Pulling Head And Pulling Piece? A: The Ultimate Destructive Force Of Pulling The Pull Piece From The Vertical Back Direction Of The Pull Head Body. 7. What Is The Load Pull? Answer: The Number Of Times The Zipper Can Withstand The Reciprocating Pull Of The Pull Head Under The Specified Transverse And Inverse Longitudinal Tension. 8. What Is an Open Zipper? Answer: When The Zipper Is Pulled Open, The Two Sides Of The Dental Chain Belt Can Be Completely Separated. 9. What Is Flat Strength? A: The Ultimate Lateral Force Applied To The Chain Teeth And Ribbon Under Specified Conditions. 10. What Is Open Tail Flat Draw Strength? A: Apply Transverse To The Open End Of The Dental Chain Belt, So That It Will Open The Ultimate Force To Destroy The Open End. 11. What Does Bs 3084 Mean? A: British Zipper Standard. 12. What Does Astm 2061 Refer To? A: The American Society For Testing Materials Zipper Standard. 13. What Does Din 3419 Refer To? Answer: German Zipper Standard. 14. What Is The Main Material Of Metal Zipper Teeth? A: Aluminum Alloy, Brass, White Copper, Zinc Alloy, Etc. 15, What Are The Main Surface Treatment Of Metal Zipper Teeth? A: Aluminum Zipper Plating Yellow, Brass Zipper Plating White, Black Nickel Plating, Bronze, Red Bronze, Silver, Gold Plating, Etc. 16. What Are The Main Materials Used For Injection Molding Zipper Chain Teeth? A: Polyformaldehyde. 17. What Is The Main Raw Material Of Nylon Zipper? A: Polyester Monofilament, Core Thread, Polyester Processing Thread, Sewing Thread, Zinc Alloy And Engineering Plastics Of Pulling Head, Etc. 18. What Is The Main Dye For Nylon Zipper Dyeing? A: Disperse Dyes. 19. Why Dyes Containing Banned Azo Not In Line With The Requirements Of Environmental Protection? A: Some Colors Of Disperse Dyes Contain Azo Components, Dyeing Zipper Contact With Human Body Can Cause Certain Diseases, So It Is Not Safe. 20. Why Is Nylon Zipper Easy To Produce Color Difference? Answer: Because The Main Raw Materials Used For Nylon Zipper Are Polyester Monofilament, Mid-core Thread, Polyester Processing Silk, Sutures, And Other Components Are Different, The Professional Coloring Of The Zipper Is Different, And The Color Difference Is Easy To Produce On The Same Zipper. 21.What Is The Basis Of Discriminating Color Difference? Answer: National Standard, Gb/t 250, Gb/t 251. 22. Under What Environmental Conditions, To Identify The Color Difference Grade? A: The Color Difference Grade Is Identified In The Standard Light Source Color Box2 23, What Kinds Of Light Sources Are Commonly Used Internationally? A: D65, Cwf, Tl84, Etc. More Expertise On Zippers 24. What Is The Binding Force Of the Pulling Head And Pulling Piece? A: The Ultimate Destructive Force Of Pulling The Pull Piece From The Vertical Back Direction Of The Pull Head Body. 25. What Is The Load Pull? Answer: The Number Of Times The Zipper Can Withstand The Reciprocating Pull Of The Pull Head Under The Specified Transverse And Inverse Longitudinal Tension. 26. What Is The Current Executive Zipper Industry Standard Code Name? Answer: Metal Zipper:qb/t 2171-2001\ Injection Zipper:qb/t 2172-2001\ Nylon Zipper:qb/t 2173-2001. Zipper Type Introduction: When The Zipper has Pulled Apart, The Two Sides Of The Chain Can Not Be Completely Separated. One Way Close -- End Zipper Means A Zipper With A Zipper Pulling The End. Two Way Close - End Zipper Refers To A Zipper With Two Pull-ends, Which Can Be Opened And Closed Back Or Facing Each Other. A. When The Two Pullers Pull Apart The Tooth Chain, The Zipper Is "o" Type; B. When The Two Pullers Pull Apart The Metal Tooth Chain, The Zipper Is In An "x" Shape.
