7 4mm siting optimal gap

{"cid":"91223785","title":"500W Laser Cutting Nitrogen Generator 7Bar - 9Bar High Pressure Nitrogen Generator","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/6a\/4b7fbdae1b4826a2de9e9ae1a24c-200x200-1.jpg","attrs":{"Price":"$980-$2700","Brand Name":"Bonens Tech","Model Number":"BT-01\/02","Minimum Order Quantity":"1 unit","Delivery Time":"5-8 work days","Place of Origin":"Qingdao China","Certification":"CE","Packaging Details":"Wooden case with pearl wool","Payment Terms":"T\/T,Western Union","Supply Ability":"300 units Per month","Efficiency Ratio":"Optimized","Technology":"Advanced","Installation":"Simple","Application":"Laser Cutting","Durability":"Long-lasting","Reliability":"High","Precision":"High","Profit":"Increased"}}

{"cid":"91223647","title":"Araldite 2022-1 Methacrylate Adhesive For Challenging Substrates Fast Bonding","imgUrl":"https:\/\/img.chinax.com\/nimg\/1b\/67\/238d0ab25ab6ee1fcb6863efdf0a-200x200-1.jpg","attrs":{"Price":"CN\u00a5105.01\/pieces 6-99 pieces","Brand Name":"Araldite","Model Number":"Araldite 2022-1","Minimum Order Quantity":"1","Delivery Time":"5-8days","Place of Origin":"Switzerland","Certification":"TDS,SDS,Rohs","CAS No.":"Araldite","Main Raw Material":"EPOXY","Usage":"Construction, Fiber & Garment, Footwear & Leather, Packing, Transportation, Woodworking","product name":"Araldite 2022-1","color":"Transparent","Classification":"Double Components Adhesives","Package":"50ML\/Piece","Temperature Resistance":"Up to 120\u00b0C","Color":"Clear","Cure Time":"24 hours","Mixing Ratio":"1:1","Flexural Strength":"5000 psi","Type":"Two-component epoxy adhesive","Application":"Bonding, sealing, and filling","Water Resistance":"Excellent","Chemical Resistance":"Good","Packaging Details":"1 piece","Payment Terms":"T\/T,L\/C,D\/A,D\/P,Western Union,MoneyGram","Supply Ability":"1000Piece"}}