Overview
Explosion-proof space bags, a subtype of FIBCs (Flexible Intermediate Bulk Containers), are engineered to handle combustible materials safely. Unlike standard bulk bags, they incorporate antistatic threads or conductive coatings to dissipate static electricity—a critical feature in industries like petrochemicals, pharmaceuticals, and agrochemicals where dust explosions are a risk. These bags often comply with stringent standards such as ATEX and IECEx for use in Zone 20/21 hazardous areas. Their design typically includes grounding tabs or interwoven conductive fibers to channel static charges safely to earth. Capacities range from 500 kg to 2,000 kg, with options for liners to enhance moisture or chemical resistance. Bags are color-coded (e.g., blue for antistatic, yellow for conductive) to indicate safety properties.
Structure and Working Principle
The bag’s antistatic protection relies on one of two mechanisms: Type C (conductive) bags use a grid of conductive threads connected to grounding points, ensuring direct charge dissipation. Type D (dissipative) bags rely on static-safe fabric to slowly neutralize charges without grounding, suitable for environments where grounding isn’t feasible. Construction involves woven polypropylene with a safety factor of 5:1 or 6:1 to withstand dynamic forces during filling and transport. Critical components include reinforced lifting loops, discharge spouts with dust-tight seals, and optional cross-corner baffles for stability. The inner surface may feature a smooth coating to minimize friction-induced static.
Key Features
1. **Static Control**: Meets IEC 61340-4-4 for surface resistance <10^9 ohms (Type D) or <10^4 ohms (Type C). 2. **Flame Resistance**: Some variants include flame-retardant additives or coatings. 3. **Certifications**: ATEX, IECEx, and UN approval for hazardous material transport. 4. **Customization**: UV stabilization, food-grade liners, or vented designs for gas release. Durability is enhanced by UV-treated fabric for outdoor use and anti-aging additives. Bags often pass rigorous testing, including drop tests from 1.5 meters and vibration simulations.
Application Areas
Primary sectors include: - **Chemical Manufacturing**: Transporting flammable powders like sulfur, dyes, or pesticides. - **Mining**: Storing combustible metal dusts (e.g., aluminum, magnesium). - **Pharmaceuticals**: Handling volatile active ingredients. - **Food Processing**: Safe packaging of flour or starch in explosive atmospheres. In logistics, these bags are used in ISO containers or bulk trucks, often with pallet bases for forklift handling. They replace rigid containers in scenarios requiring cost-effective, collapsible solutions.
Maintenance and Precautions
**Inspection**: Check for frayed threads or damaged grounding straps before each use. Replace bags with visible wear. **Cleaning**: Use low-pressure air or damp cloths; avoid solvents that degrade antistatic properties. **Grounding**: For Type C bags, ensure proper connection to earth via clips and verified grounding points. Storage should be in dry, shaded areas away from ignition sources. Never repurpose explosion-proof bags for non-hazardous loads without reevaluation.
B2B Procurement Guide
1. **Compliance**: Request test certificates for IEC/ATEX standards and batch-specific documentation. 2. **Specifications**: Define required static protection type (C/D), liner material (e.g., PE, PP), and lifting configurations. 3. **Supplier Audit**: Prioritize manufacturers with ISO 9001 certification and in-house testing labs. 4. **Cost Factors**: Prices scale with fabric weight (e.g., 150–220 g/m²), safety features, and order volume (discounts for 500+ units). Sample MOQs range from 100–500 units. Lead times average 4–8 weeks for customized orders.
Related Manufacturers
- 主营：屏蔽袋、铝箔袋、真空袋、阻燃膜
- 主营：EPE珍珠棉、防静电EPE珍珠棉、气泡膜卷材、太空袋、防静电气泡膜、集装袋、太空包、吨包袋、软托盘、中空板卷材、片材、箱子、异型材、万通板、吸塑包装、吸塑托盘
- 主营：中空板、吨袋、天地盖围板箱、长沙防爆吨袋、塑料蜂窝板、PP中空板、防静电中空板、塑料周转箱、围板箱、中空板周转箱、蜂窝板箱、吨包、中空板折叠箱、蜂窝板围板箱、周转箱、汽车零部件围板箱、集装袋、拉筋吨袋、铝箔吨袋、防水吨袋、危废吨袋、污泥吨袋、导电吨袋、固废吨袋、注塑箱、中空板隔板
- 主营：集装袋、吨包袋、吨袋、太空袋、吨包、全新吨袋、二手吨袋、方形吨袋、圆形吨袋、桥梁预压吨袋、吨袋集装袋、吸塑包装、吸塑制品
- 主营：吨包、集装袋、吨包袋、太空袋、全新吨袋、二手吨袋、方形吨袋、圆形吨袋、桥梁预压吨袋、EPE珍珠棉、珍珠棉板材、珍珠棉袋子、珍珠棉异型材、珍珠棉卷材、吸塑制品、吸塑包装
- 主营：超声波塑料焊接机、超声波金属焊接机、汽车内饰件焊接设备、超声波防爆封口机、汽车软内饰焊接设备、汽车外饰件焊接机、抽板热熔焊接机、热熔热铆焊接机、旋转摩擦焊接机、三轴机械手焊接机
- 主营：EPE包装材料、EPE珍珠棉、珍珠棉卷材、太空袋、珍珠棉板材、珍珠棉袋子、珍珠棉型材、防静电珍珠棉、气泡膜卷材、气泡膜袋子、气泡膜片材、防静电气泡膜、吨袋、吨包、集装袋、吨包袋、中空板周转箱、防静电中空板
- 主营：气泡卷、气泡膜、快递打包泡沫垫、吨袋、集装袋
- 主营：塑料编织袋
- 主营：吨包袋、软托盘、预压袋、太空袋、集装袋、包装袋、拉筋袋、化工吨袋、大号吨袋、垃圾吨袋、塑料吨包、防洪吨袋、防水吨袋、防潮吨袋、仓库周转用吨袋、U型吨包袋、U型吨袋、u型袋吨袋、内拉筋吨袋、内拉筋吨包、炭黑集装袋、炭黑吨袋、炭黑拉筋吨袋、四吊吨包袋、吨包软托盘
- 主营：吨袋、吨包袋、化工饲料吨袋、防潮吨袋、上料口吨包袋、大平口吨包袋、井字兜底吨袋、聚丙烯编织袋、集装袋、太空包、导电集装袋、圆形吨袋、方形吨袋、聚丙烯吨包袋、PP吨包袋、淀粉厂吨包袋、软托盘、编织袋吨包袋
- 主营：吨袋、吨包袋、集装袋、防水吨袋、化工吨袋集装袋
- 主营：吨包袋、吨袋、加内衬吨包、太空袋、翻新漆、集装袋、吨包、安全伸缩围栏、防汛挡板、拱形伸缩围栏、电力设施、水性工业漆、屋面翻新漆、彩钢翻新漆、彩钢瓦翻新漆、污泥吨包袋、防尘内衬袋、编织袋、防汛编织袋、塑料编织袋生产、井字吨袋、带内膜吨袋、兜底吨袋、内膜袋、土豆包、工业用吨袋
- 主营：编织袋、塑料编织袋、蛇皮袋、太空袋、牛皮纸袋、纸塑复合袋、阀口编织袋、吨包袋、集装袋、吊装袋、软托盘、吨托、包装袋、覆膜编织袋、涂膜编织袋、彩印编织袋、透明编织袋、白色编织袋、灰绿色编织袋、黄色红色编织袋、防水编织袋、PP编织袋、PE内膜袋、编织袋印刷定做
- 主营：聚烯烃、机械仪器、工业壳体、升级透明聚丙烯
- 主营：太空吨袋、化工吨袋、加厚吨袋、太空袋、加厚吨包、白色太空、开口吨袋、方形集装袋、污泥集装袋
- 主营：ABS、PC、POM、TPU、PP、LCP、PBT、PMMA、Pom100p、Pom900p、Pom500p、M90-44、F20-03、ABS747、ABS757、PEEK、PVDF、PPSU、PPA、PARA、PCTG、PA9T、Pa12、COC
- 主营：包装盒手提袋定制、礼盒包装、手提袋、白卡盒、手提袋便携袋、精品盒、精品礼盒、定制精品盒、高档礼品盒、金卡包装盒、白卡陈列盒、独特定制盒、敞口展示盒、鲜果缤纷箱、白卡礼品盒、手工精品盒、简约包装盒、可回收盒、加厚包装盒、银卡包装盒、高档精品包装、豪华礼品盒、尊享礼盒、高端食品礼品盒、精品包装
- 主营：真空活化机、热压包覆机、阳模吸覆机、太空袋热合机、吸塑机、高周波、高频机、热合机、活化机、汽车内饰活化机、高频热合机、高周波热合机、高频焊接机、高周波焊接机、高周波塑胶熔接机、汽车内饰真空活化机、汽车内饰包覆机、汽车内饰包覆设备、阳模吸附机、汽车内饰吸覆机、汽车内饰吸附机、汽车内饰活化设备、汽车内饰压合机、汽车内饰包覆压合设备、汽车内饰压合包覆机
- 主营：吨袋、吨包、吨包袋、集装袋