SHANGRAO RUICHEN SEALING CO.,LTD
                                                                                                           
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20 Years
Since 2006
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0.5mm Thick Full Inspection Silicone Gasket O Ring Seal with Excellent Chemical Resistance for Medical Applications

Price Negotiable
Price: $0.05/pieces 1000-4999 pieces
MOQ: 1000 pieces
Delivery Time: 7-10 work days
Brand: ORK
Product Description
Full Inspection 0.5mm Thick Silicone Gasket O Ring Seal for Various Chemical Applications
O-Ring technical standards and specifications diagram
Our O-rings comply with multiple international standards including national standard GB1235-76 and GB3452.1-92, Japanese standard PTYPE, GTYPE, STYPE, SS/VTYPE, FTYPE, American standard AS568, British standard series, and European standard series.
Technical requirements encompass appearance specifications per GB/T3452.2-2007, material properties according to HG/T2579-2008, and dimensional standards following GB/T3452.1-2005.
Product Specifications
Product Name O-RING
Material NR, NBR, EPDM, SBR, VITON, CR, SILICONE, FLUOROSILICONE, ACM, CSM, ECO, HNBR
Color Black, Brown, Orange-Red, or as pantone card, CUSTOMIZED
Standard Sizes O-Ring standard size chart
AS 568 Standard Sizes: Cross Section: 1.78mm/2.62mm/3.53mm/5.33mm/6.99mm
JIS B 2401 Standard Sizes: P type Cross Section: 1.9mm/2.4mm/3.5mm/5.7mm/8.4mm
G type Cross Section: 3.1mm/5.7mm
V type Cross Section: 4mm/6mm/10mm
S type Cross Section: 1.5mm/2mm
Hardness 30-90 Shore A, Normal is 70 Shore A
Temperature -40~150℃, 300℃, CUSTOMIZED
Package CUSTOMIZED
Material Selection Guide
Different elastomers offer varying compatibility with chemical elements and unique characteristics. The table below provides comprehensive material knowledge to help you select the most cost-effective O-rings for your application.
Material Hardness (Shore A) Temperature (ºC) Main Color Advantage Price Level Shelf Life (Years)
NBR / Nitrile / Buna-N 60-90 -40 - 120 Black Good oil resistance & low price Low 5-10
HNBR / HSN 60-90 -40 - 150 Green Suitable for the cooling industry High 5-10
FKM / FPM / Viton 70-90 -20 - 200 Brown High-temperature & chemical resistance High About 20
EPDM / EPR 50-90 -50 - 150 Black Excellent weather & ageing resistance Fair 5-10
VMQ / Silicone 40-80 -70 - 220 Red High-temperature & FDA food grade High About 20
Neoprene / CR 50-90 -40 - 120 Black Versatility Properties Fair 5-10
FFKM 70-90 -10 - 320 Black Excellent chemical & high-temperature Highest About 20
FVMQ / Fluorosilicone 40-80 -60 - 200 Blue Wider operating temperature range High About 20
Aflas / FEPM 40-90 -2 - 230 Black Good chemical compatibility Higher About 20
PU / polyurethane 60-90 -40 - 90 Natural High strength and wear resistance High About 10
Quality Certifications
We maintain comprehensive quality certifications including ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, IATF, FDA, REACH, ROHS, SGS and more.
Custom Color Options
We offer complete color customization for O-rings according to customer requirements. Simply provide your pantone number for precise color matching.
Colorful O-rings in various custom colors
Our manufacturing capabilities extend to various specialized rubber seals including:
  • Automotive Rubber Seals
  • Connector Rubber Seals
  • Power Tool Rubber seals
  • Valve Rubber Seals
  • Pipe Rubber Seals
  • Semiconductor Rubber Seals
  • Hydraulic Pneumatic Rubber Seals
  • Pump Rubber Seals
  • Oil and Gas Seals
  • Food Grade Rubber Seals
  • Medical Rubber Seals
  • Chemical Equipment Rubber Seals
Our Manufacturing Process
Our precision rubber seals journey is defined by controlled excellence. The flowchart details each critical step—from formulation and molding to curing and finishing—with integrated Quality Control Gates at multiple stages. This ensures every O-ring, gasket, or custom seal meets exact specifications for durability, compression set, and chemical resistance before final release and delivery.
Manufacturing process flowchart for rubber seals
Why Choose Ruichen?
High Quality
We manufacture high-quality products for all customers and pursue 100% customer satisfaction.
Professional Expertise
Rich experience in materials, products, production, and international trade communication.
Best Services
Comprehensive support from quoting, sampling, production, shipping to after-sales service.
10,000+ Projects Delivered
Over 10K projects delivered worldwide with countless positive customer feedback.
Competitive Pricing
ISO management system and intelligent manufacturing continuously reduce costs for maximum customer value.
Massive Capacity
In-house facilities and strong material partnerships ensure unlimited production capacity.
Fast Delivery
Experienced engineers and flexible production systems enable rapid turnaround times.
1,000+ Happy Customers
We aim to keep every customer satisfied with reliable quality, fast service, and long-term partnerships.
Frequently Asked Questions
Q: What kinds of materials can you provide?
A: NBR, EPDM, SILICONE, FKM(FKM), NEOPRENE(CR), HNBR, NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM and more.
Q: How to select the raw compound for my application?
A: With years of experience working with various materials, we can help select the optimal material while considering cost efficiency.
Q: How long can we get the quote?
A: With complete information, we provide quotations within 8 hours.
Q: Can you provide samples? Is it free or extra?
A: Yes, we provide free samples with negotiable freight terms.
Q: What is the normal lead time for product orders?
A: Stock items: 3-7 days; Mold production: 15-18 days; No mold required: 25-30 days (varies by product specifications).
Q: How to check the quality of the bulk order?
A: Comprehensive quality control including raw material inspection, process monitoring, 100% final inspection, automated testing, and pre-production samples as needed.
Q: What is your standard packing?
A: Standard packaging includes plastic bags for inner packing and carton boxes for outer packing, with customization available.
Q: What's the payment term?
A: We accept T/T 30% deposit and 70% balance, or PayPal payments.
If this product doesn't perfectly match your requirements, our expertise extends far beyond this specific item. We likely have exactly what you need in our extensive catalog.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company SHANGRAO RUICHEN SEALING CO.,LTD
Location Road 8. Yanshan Industrial Estate ShangRao City, Jiangxi Prov., 334500, CHINA
Contact Person Shadow

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