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密封圈的HS编码1. 密封圈的概述密封圈是一种常见的密封元件，用于防止流体、气体或粉尘从机械设备的连接口、管道接口等泄漏出来，确保设备的正常运行和效率。
密封圈的种类繁多，根据使用环境和要求的不同，可以选择不同材料制成的密封圈。
为了管理国际贸易中的产品分类和统计，世界关税组织（World Customs Organization, WCO）和世界贸易组织（World Trade Organization, WTO）制定了用于国际贸易的商品编码系统，即“HS编码”。
2. HS编码的意义与作用HS编码是一种国际通用的商品分类编码系统，用于对商品进行分类和识别。
对于进出口贸易而言，正确的HS编码是非常重要的，它可以帮助海关查验、征税和统计商品的进出口情况，促进国际贸易的顺利进行。
HS编码体系详细描述了各种商品的特征、用途、材料等信息，可以帮助各国海关准确判定商品的归类和标准税率。
3. 密封圈的HS编码根据WCO制定的HS编码体系，密封圈属于机械设备附件和零件的一种。
具体的HS编码为：8484.10。
•第一位数 8：表示该商品属于机械设备及其附件的一种；•第二位数 4：表示该商品属于密封用件的一类；•第三位数 8：表示该商品属于密封圈的一种；•第四位数 4：表示该商品为密封圈的材料之一。
因此，密封圈的完整HS编码为8484.10。
4. 密封圈的材料分类根据不同材料的特点和用途，密封圈可以分为多种材料制成，包括：4.1 橡胶密封圈橡胶密封圈是最常见的一种密封圈，主要由橡胶材料制成，如丁腈橡胶、氟橡胶、硅橡胶等。
橡胶密封圈具有良好的弹性和耐磨损性能，适用于各种介质和温度范围。
4.2 金属密封圈金属密封圈采用金属材料制成，如不锈钢、铝合金等。
金属密封圈具有较高的耐压性和耐腐蚀性能，适用于高压和高温环境。
4.3 聚四氟乙烯（PTFE）密封圈聚四氟乙烯密封圈是一种特殊材料制成的密封圈，具有良好的耐腐蚀性、耐高温性和良好的不粘性。
Anti-dumping duties“The product concerned is normally declared <at customs> within CN codes 7318 12 90, 731814 91, 7318 14 99, 7318 15 59, 7318 15 69, 7318 15 81, 7318 15 89, ex 7318 1590, ex7318 21 00 and ex 7318 22 00. “EURO HS CODES73.18 Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers, incl. spring washers, and similar articles, of iron or steel (excl. lag screws, stoppers, plugs and the like, threaded)73181100 Coach screws of iron or steel73181210 Wood screws of stainless steel (excl. coach screws)73181290 Wood screws of iron or steel other than stainless (excl. coach screws)73181300 Screw hooks and screw rings, of iron or steel73181410 Self-tapping screws, of iron or steel other than stainless (excl. wook screws) 73181491 Spaced-thread screws of iron or steel other than stainless73181499 Self-tapping screws of iron or steel other than stainless (excl. spaced-thread screws and wood screws)73181510 Screws of iron or steel, turned from bars, rods, profiles, or wire, of solid section, threaded, of a shank thickness of <= 6 mm73181520 Screws and bolts, of iron or steel whether or not with their nuts and washers, for fixing railway track construction material (excl. coach screws)73181530 Screws and bolts, of stainless steel whether or not with their nuts and washers, without heads (excl. screws turned from bars, rods, profiles, or wire, of solid section, threaded, of a shank thickness of <= 6 mm, and screws and bolts for fixing railway track construction material)73181541 Screws and bolts, of iron or steel other than stainless whether or not with their nuts and washers, without heads, with a tensile strength of < 800 MPa (excl. screws turned from bars, rods, profiles, or wire, of solid section, threaded, of a shank thickness of <= 6 mm, and screws and bolts for fixing railway track construction material)73181549 Screws and bolts, of iron or steel other than stainless whether or not with their nuts and washers, without heads, with a tensile strength of >= 800 MPa (excl. screws turned from bars, rods, profiles, or wire, of solid section, threaded, of a shank thickness of <= 6 mm, and screws and bolts for fixing railway track construction material)73181551 Slotted and cross-recessed screws and bolts, of stainless steel whether or not with their nuts and washers, with heads (excl. wood screws and self-tapping screws)73181559 Slotted and cross-recessed screws and bolts, of iron or steel other than stainless whether or not with their nuts and washers, with heads (excl. wood screws and self-tapping screws)73181561 Hexagon socket head screws and bolts, of stainless steel whether or not with their nuts and washers (excl. wood screws, self-tapping screws and screws and bolts for fixing railway track construction material)73181569 Hexagon socket head screws and bolts, of iron or steel other than stainless whether or not with their nuts and washers (excl. wood screws, self-tapping screws and screws and bolts for fixing railway track construction material)73181570 Hexagon screws and bolts, of stainless steel whether or not with their nuts and washers, with heads (excl. socket head screws, wood screws, self-tapping screws and screws and bolts for fixing railway track construction material)73181581 Hexagon screws and bolts, of iron or steel other than stainless whether or not with their nuts and washers, with a tensile strength of < 800 MPa, with heads (excl. socket head screws, wood screws, self-tapping screws and screws and bolts for fixing railway track construction material)73181589 Hexagon screws and bolts, of iron or steel other than stainless whether or not with their nuts and washers, with a tensile strength of >= 800 MPa, with heads (excl. socket head screws, wood screws, self-tapping screws and screws and bolts for fixing railway track construction material)73181590 Screws and bolts, of iron or steel whether or not with their nuts and washers, with heads (excl. slotted and cross-recessed screws and bolts, hexagon head screws and bolts, wood screws, self-tapping screws and screws and bolts for fixing railway track construction material, screw hooks, screw rings and lag screws)73181610 Nuts of iron or steel, turned from bars, rods, profiles, or wire, of solid section, with an inside diameter of <= 6 mm73181630 Nuts of stainless steel (excl. nuts turned from bars, rods, profiles, or wire, of solid section, with an inside diameter of <= 6 mm)73181650 Self-locking nuts of iron or steel other than stainless (excl. such articles turned from bars, rods, profiles, or wire, of solid section, with an inside diameter of <= 6 mm)73181691 Nuts of iron or steel other than stainless, with an inside diameter of <= 12 mm (excl. such articles turned from bars, rods, profiles, or wire, of solid section, with an inside diameter of <= 6 mm, and self-locking nuts)73181699 Nuts of iron or steel other than stainless, with an inside diameter of > 12 mm (excl. self-locking nuts)73181900 Threaded articles, of iron or steel, n.e.s.73182100 Spring washers and other lock washers, of iron or steel73182200 Washers of iron or steel (excl. spring washers and other lock washers)73182300 Rivets of iron or steel (excl. tubular and bifurcated rivets for particular uses) 73182400 Cotters and cotter pins, of iron or steel73182900 Non-threaded articles, of iron or steelChina HS CODEsScrews, Bolts, Nuts, Coach Screws, Screw Hooks, Rivets, Cotters, Cotter Pins, Washers And Similar Articles, Of Iron Or Steel731811 Coach Screws, Threaded, Of Iron Or Steel731812 Wood Screws Other Than Coach Screws, Threaded, Of Iron Or Steel731813 Screw Hooks And Screw Rings, Threaded, Of Iron Or Steel731814 Self-Tapping Screws, Threaded, Of Iron Or Steel731815 Threaded Screws And Bolts, With Or Without Their Nuts Or Washers, Of Iron Or Steel731816 Nuts, Threaded, Of Iron Or Steel731819 Threaded Articles Of Iron Or Steel Nesoi731821 Spring Washers And Other Lock Washers, Of Iron Or Steel731822 Washers, Other Than Lock Washers, Of Iron Or Steel731823 Rivets Of Iron Or Steel731824 Cotters And Cotter Pins, Of Iron Or Steel731829 Nonthreaded Articles (Fasteners) Nesoi, Of Iron Or Steel。
