Overview
Nylon mesh screens are woven or knitted fabrics made from synthetic polyamide fibers, offering a balance of durability and precision for filtration tasks. They dominate industries requiring fine sieving due to their uniform pore structure and resistance to stretching. Unlike metal screens, nylon variants reduce material contamination and handle moist environments without corrosion. First introduced in the mid-20th century, these screens evolved from basic industrial sieves to specialized grades for food processing, pharmaceuticals, and precision printing. Their lightweight nature (30–200 g/m²) allows easy handling while maintaining structural integrity under tension.
Structure and Working Principle
The screen consists of interlocked nylon monofilaments or multifilament yarns woven in plain, twill, or Dutch weave patterns. Mesh counts range from 10 to 500 threads per inch, creating pore sizes from 20 µm to 2 mm. Plain weaves offer uniform openings for general sieving, while Dutch weaves provide tighter filtration with thicker warp threads. During operation, particles smaller than the mesh pass through, while larger ones are retained. The screen’s elasticity allows temporary pore expansion under pressure, reducing clogging. Electrostatic properties of nylon can also attract fine particles, enhancing filtration efficiency in dry applications.
Key Features
Nylon screens withstand tensile forces up to 50 N/cm², outperforming polyester in repetitive stress applications. Their elongation at break (15–30%) prevents sudden failures. Abrasion resistance is 3–5 times higher than natural fiber screens, validated by Martindale tests exceeding 50,000 cycles. Chemical inertness permits use with oils, alkalis (pH 8–12), and mild acids. UV-stabilized grades retain 80% strength after 2,000 hours of sunlight exposure. Temperature tolerance spans -40°C to 120°C, with melting points at 215°C (Nylon 6) or 260°C (Nylon 6,6).
Application Areas
In agriculture, 100–300 micron screens filter pollen or protect crops from insects. Construction employs heavy-duty 2–5 mm meshes for concrete reinforcement. The food industry uses FDA-compliant white meshes for flour sifting or tea bag packaging. Printing relies on 120–355 mesh counts for screen printing frames, ensuring ink viscosity control. Industrial sieving applications include grading abrasive materials like quartz (mesh 40–200) or filtering coolants in machining centers.
Maintenance and Precautions
Clean screens with neutral detergents and soft brushes; avoid steam over 100°C. Store rolls vertically to prevent creasing. For clogged meshes, ultrasonic cleaners (40 kHz) restore 90% flow efficiency. Monitor for fiber fatigue in high-vibration systems. Replace screens showing visible fraying or >10% pore distortion. In acidic environments (pH <4), opt for chemically modified nylon grades with extended lifespans.
B2B Procurement Guide
Specify mesh count (ISO 9044), thread diameter (0.05–0.5 mm), and weave type. Bulk orders (100+ m²) typically secure 8–15% discounts. Leading manufacturers include Sefar (Switzerland) and NBC Meshtec (Japan), offering custom coatings like silicone for anti-adhesion. Sample testing should verify particle retention rates (ASTM E11 standards) and airflow permeability (ISO 9237). MOQs range from 50 m² for standard meshes to 500 m² for custom weaves. Delivery: 2–6 weeks for tailored products.
Related Manufacturers
- 主营：初效空气过滤器、中效空气过滤器、高效空气过滤器、尼龙网、耐高温空气过滤器、液槽空气过滤器、袋式中效空气过滤器、板式空气过滤器、组合式亚高效空气过滤
- 主营：滤布、过滤布、压滤机滤布、工业尼龙网、无纺布、液体滤袋、带式压滤机滤布、过滤器滤布、板框滤布、板框压滤机滤布、工业滤布、斜槽透气布、单复丝滤布
- 主营：初效空气过滤器、中效空气过滤器、G4初效空气过滤器、尼龙网空气过滤器厂家、F8中效空气过滤器
- 主营：真空带、过滤机、压泥机、过滤滤网、传送网带、食品网带、滤板过滤网、压滤机滤网、脱硫过滤网、工业带、过滤布、污水带、铁矿粉、洗沙过滤、制药化工、过滤定制、脱硫滤布、果汁压榨、水果压榨、板框滤布、高强耐磨、脱硫皮带机、工业脱水带、化工厂过滤、滤布
- 主营：网带、过滤网、滤布
- 主营：人字网、铁丝网、电焊网、塑料颗粒过滤网片、不锈钢电焊网、焊接网、圆孔网、建筑网片、不锈钢网片、黑丝布、钢格板
- 主营：养殖设备、运动场围栏、压滤机滤布、印刷网、养鱼网箱、白色绳网、不锈钢网、防护安全网、花卉防虫网、园林绿化网、体育场围网、尼龙锦纶网、除尘过滤网、大棚防虫网、白色尼龙筛网、不锈钢防鸟网、挡蚊虫鼠窗纱网、柔性防风抑尘网、排水沟盖板、热镀锌格栅板
- 主营：果园防鸟网、白色防鸟网
- 主营：滤布、过滤布、板框压滤机滤布、工业尼龙网、丙纶滤布、压滤机滤布、工业过滤布、工业滤布、耐酸碱过滤布、脱硫滤布、单丝滤布、复丝滤布、板框压滤机过滤布、涤纶滤布、烛式滤袋、斜槽透气布、阳极袋、纤维转盘滤布、液体过滤袋
- 主营：电梯井口防护门、铁马护栏、塔吊围栏、护栏网、荷兰网、电焊网、防暴阻隔网、六角网、基坑护栏网、勾花网、石笼网、塑料平网、尼龙网、冲孔网、钢板网、轧花网、不锈钢网、矿用支护网片、刀片刺网、钢筋网片、镀锌美格网、网格布、金刚网、钢格板
- 主营：导磁介质网、304不锈钢筛网、抹墙网、钢板网、扩张网、430不锈钢网、勾花网、电焊网、复合网、铁丝网、冲孔网、塑料网、六角网、过滤网、保护网、碰焊网、耳机网、防护网、圆筛网、黄铜网、镀锌电焊网、不锈钢筛网、振动筛、输送带、过滤器
- 主营：排水板、铝合金、塑料格栅、遮阳网、围栏网、轧花网、铁丝网、钢丝网片、塑料平网、玻璃纤维网、不锈钢丝网、圆孔冲孔网、煤矿支护网、边坡防护网、防蚊纱窗网、防沙防尘网、防护钢板网、油漆过滤网、不锈钢板网、镀锌龟甲网、防盗护栏网、钢丝刺绳、防滑盖板、玻璃钢格栅、不锈钢纱窗
- 主营：不锈钢密纹网、轧花网、电焊网、气液过滤网、冲孔网、筛网、不锈钢过滤网、不锈钢筛网、铜网、钛网、镍网、过滤网片、过滤网筒、装饰网、烧结网、分样筛
- 主营：无纺布网、平织干网、聚酯脱硫网、成型网、方孔网、打印机网带
- 主营：不锈钢丝网、护栏网、冲孔网、铜网、尼龙网