Customized Durable EPDM/Silicone/NBR/HNBR Rubber Diaphragm

Attribute Details
Materials EPDM, Silicone, NBR, HNBR (rubber); supports PE, PP, PVC, ABS, etc. (plastics)
Color Customizable color
Size Customized to customer specifications
Application Areas Pump sealing systems, automotive, machinery, chemical, medical industries
Certifications ISO 9001
MOQ 100 pieces (1 piece acceptable for trial orders)
Sample Lead Time 1-7 days after drawing confirmation
Production Lead Time 1-30 days (negotiable based on order volume)
Payment Terms supports T/T, L/C, PayPal, Western Union, etc.
Packaging Carton boxes, wooden cases, pallets (customizable)
Shipping Methods Sea freight, air freight, DHL, UPS, FedEx, etc.
Factory Qualifications 25+ years of experience, 1,000+㎡ factory, 100+ injection molding machines, 100,000+ monthly capacity
Quality Control 100% full inspection (CMM, projectors, gauges)
Design Support Accepts 2D (PDF/CAD), 3D (IGES/STEP) drawings; supports sample scanning for reverse engineering

Description

(1) Scope of Customization Services

  • Functional Customization: Specifically designed for pump sealing systems, offering high-durability diaphragms and membranes with customizable properties such as corrosion resistance, high-pressure tolerance, and resistance to extreme temperatures (e.g., HNBR for fuel system seals).
  • Material Selection:
    • Rubber Types: EPDM (weather resistance), Silicone (high-temperature/medical-grade), NBR (oil resistance), HNBR (superior oil resistance and mechanical strength).
    • Plastic Options: PE, PP, PVC, ABS, PC, PA, etc., suitable for different media compatibility requirements.
  • Process Capabilities:
    • Injection Molding: Multi-cavity (efficiency), insert (structural reinforcement), hot runner (material savings).
    • Surface Treatments: Nickel plating, anodizing, sandblasting, etc., to enhance wear resistance and sealing performance.

(2) Production and Quality Advantages

  • Precision Manufacturing:
    • Utilizes 3/4/5-axis CNC machines and MAZAK five-axis centers, ensuring tolerance control within ±0.005mm (±0.002mm for critical areas) for uniform diaphragm thickness and sealing precision.
    • Surface roughness of Ra 0.1-3.2 meets high-demand sealing surface requirements.
  • Quality Assurance:
    • 100% inspection process: Manual trimming → Equipment testing (CMM coordinate measuring machines verify dimensional accuracy). ISO 9001 certified.
    • Materials pass SGS environmental certification (RoHS compliant) and anti-aging tests (≥1,000 hours).

(3) Service and Delivery Advantages

  • Rapid Response:
    • Inquiry replies within ≤2 hours; preliminary design proposals within 24 hours. Urgent orders receive priority scheduling.
    • Sample scanning & reverse engineering: Convert physical samples into 2D/3D drawings for prototyping in as fast as 7 days.
  • Flexible Collaboration:
    • Low-volume trial orders (1 piece minimum) reduce development costs; mass production capacity up to 100,000 pieces/month.
    • FOB Xiamen port service; global logistics partnerships (DHL, FedEx) ensure 7-15 day delivery.

(4) Customer Reviews and Cases

  • Market Feedback:
    • 99% positive rating from 103 reviews, praised for seal stability under high pressure (e.g., chemical pump diaphragms with 30% extended lifespan).
    • Case studies: HNBR fuel pump diaphragms for North American pump manufacturers (API 682 compliant); food-grade silicone membranes for medical devices (FDA certified).
  • Long-Term Partnerships: Customer repurchase rate exceeds 85%, with key clients in the U.S., Germany, and Japan.