Product Overview & OEM/ODM Capabilities
The ZKBESTA ZK8500 Half Mask Respirator is engineered for environments requiring protection against organic vapors and particulate matter. Designed as an air-purifying respirator, it features a dual-cartridge system compatible with organic vapor filters.
As a factory specializing in respiratory protection, we offer full OEM/ODM services including custom mold development for specific facial geometries, private labeling, and customized packaging configurations (polybag, box, or bulk carton).
Our production line adheres strictly to CE marking requirements under EU 2016/425, ensuring every unit meets the EN 140 standard for inward leakage and material safety.

Material & Technical Specifications
The ZK8500 utilizes a hybrid material composition to balance flexibility and durability. The face seal is constructed from medical-grade silicone or PTE (Polyether Thermoplastic Elastomer), providing hypoallergenic properties and a tight seal on diverse skin types. The rigid exhalation valve housing ensures low breathing resistance. Below are the verified technical parameters against the applicable European standards.
| Parameter | Test Standard | ZKBESTA Value | EN Minimum Requirement |
|---|---|---|---|
| Shell Material | EN 140 | PTE / Silicone | Non-toxic, hypoallergenic |
| Filtration Type | EN 14387 / EN 149 | Organic Vapor Cartridge (A1/B1) + P3 Filter | Class A (Organic), P3 (Particle) |
| Strap System | EN 140 | 4-Point Adjustable Head Straps | Secure retention under load |
| Total Inward Leakage (TIL) | EN 140 | < 11% (Average) | Must be below classification limit |
| Respiratory Resistance | EN 140 | ≤ 30 Pa (Inhalation @ 30 l/min) | ≤ 60 Pa (Inhalation) |
| Weight | - | Approx. 250g (without filters) | N/A (Lightweight design) |
| Service Life | - | Reusable (Replace filters every 40-50 hours) | Dependent on environment |

Quality Control & Certification Compliance
Our quality assurance protocol follows a strict AQL 2.5 inspection level for bulk shipments.
Each batch of ZK8500 respirators undergoes pre-conditioning tests involving temperature extremes to verify material integrity before the final fit test.
We maintain active listings in the NANDO (New Approach Notified and Designated Organisations) database as a certified PPE manufacturer.
Alongside our CE certification, the factory operates under ISO 9001:2015 and ISO 14001:2015 management systems, providing full traceability from raw material lot numbers to the final serialized product shipped to distributors in North America, Europe, and the Middle East.
Industrial Application & Hazard Matching

The Respirator Mask with Organic Filters is specifically designed for high-risk industrial applications where mixed hazards (gas and dust) are present.
- Painting & Coating: Protection against isocyanates, solvents, and paint overspray (Organic Vapor + P3).
- Chemical Manufacturing: Defense against chemical fumes, vapors, and reactive dusts in processing plants.
- Agriculture & Pest Control: Filtration of pesticide mists, organic dusts, and ammonia vapors.
- Mining & Construction: Respiratory defense in confined spaces with potential hydrocarbon contaminants and silica dust.
FAQ
1.Can the ZK8500 half-mask accept standard bayonet-mount organic cartridges from other brands?
Yes, the ZK8500 is designed with a universal 40mm bayonet connection (EN 148-1). It is mechanically compatible with standard A1, A2, and A3 organic vapor cartridges from major European and Asian manufacturers, allowing end-users to mix and match filtration media based on specific chemical exposure.
2.What is the minimum order quantity (MOQ) and lead time for custom logo printing on the ZK8500?
The base MOQ for standard ZK8500 respirators is 1,000 pieces. For custom logo printing (silkscreen or laser engraving), the MOQ remains 1,000 pieces. The production lead time is 7-15 days for sample orders and 25-30 days for mass production (20ft/40ft container loads) after deposit and artwork approval.
3.How do I clean and maintain the silicone/PTE facepiece to ensure longevity?
After each use, wipe the mask with a damp cloth and mild detergent. Do not submerge the entire respirator in water to prevent internal valve corrosion. Allow the mask to air dry in a well-ventilated area away from direct sunlight. Replace the organic filter cartridges immediately if you detect taste or odor breakthrough, or if breathing resistance increases significantly.

One-stop Respirator Mask with Organic Filters Factory in China
Ready to source high-margin, CE-certified respiratory protection? Send your target market specifications or request a pre-shipment inspection to lock in wholesale pricing and secure your inventory today.
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