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{"title":"NBR Rubber O-Ring Seal for Hydraulic Systems, Oil Resistant Industrial O Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/4e\/4e\/9b7d0efca50f6db88a5a1699a646-200x200-1\/nbr_rubber_o_ring_seal_for_hydraulic_systems_2c_oil_resistant_industrial_o_rings.jpg","attrs":{"Brand Name":"DZK","Model Number":"O-Ring Seal","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"Wire Diameter 2.62mm O Ring Seals AS568 Standard Black 70 Shore A 90 Shore A","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/a5\/0164069b893df883b73d63aeab14-200x200-1\/wire_diameter_2_62mm_o_ring_seals_as568_standard_black_70_shore_a_90_shore_a.jpg","attrs":{"Brand Name":"DZK","Model Number":"AS568 Series","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"NBR Rubber O Ring JIS P Standard Wire Diameter 1.9mm Heat Resistant 90 Shore A","imgUrl":"https:\/\/img.chinax.com\/nimg\/b6\/0e\/bcfca4967d09f2158b8f019bf347-200x200-1\/nbr_rubber_o_ring_jis_p_standard_wire_diameter_1_9mm_heat_resistant_90_shore_a.jpg","attrs":{"Brand Name":"DZK","Model Number":"P6","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"Custom NBR high temperature rubber o rings 90 shore A 2.4mm Wire Diameter","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/4a\/746b32572af5c5cffef0312d6a26-200x200-1\/custom_nbr_high_temperature_rubber_o_rings_90_shore_a_2_4mm_wire_diameter.jpg","attrs":{"Brand Name":"DZK","Model Number":"P18","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"JIS P Standard Industrial O Rings Wire Diameter 1.9mm High Temp Silicone O Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/5b\/ce\/c137a267d1006a8e77183f8053c3-200x200-1\/jis_p_standard_industrial_o_rings_wire_diameter_1_9mm_high_temp_silicone_o_rings.jpg","attrs":{"Brand Name":"DZK","Model Number":"P6","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"5.7mm Diameter NBR90 Rubber Seal Ring JIS P Standard High Temp O Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/a3\/ef\/fe1768d4c4ed64eb77ab00426aa1-200x200-1\/5_7mm_diameter_nbr90_rubber_seal_ring_jis_p_standard_high_temp_o_rings.jpg","attrs":{"Brand Name":"DZK","Model Number":"P6","Certification":"ROHS","Place of Origin":"CHINA"}}
✅ FDA Compliant Options: Available with FDA FEP encapsulation and silicone or Viton cores for food/pharma.
Product Specifications
Parameter
Specification
Construction
FEP/PTFE encapsulation + rubber core
Core Material
Silicone or FKM (Viton)
Encapsulation
FEP (standard), PTFE (premium)
Hardness
Shore A 60-80
Temperature Range
-60°C to +205°C
Inner Diameter
5mm - 500mm
Cross-Section
1.6mm - 12.0mm
Application
Chemical, semiconductor, pharmaceutical, food
Company Strength
8+
Years Experience
50-100
Skilled Workers
60-70%
Export Percentage
ISO 9001
Certified
OEM/ODM
Customization
24/7
Technical Support
Production Process
1
Material Preparation
Raw material inspection & mixing
2
Mold Design
Precision CNC mold fabrication
3
Compression Molding
High-precision vulcanization
4
Deflashing
Automated flash removal
5
Quality Inspection
100% dimensional & visual check
6
Packaging & Shipping
Secure packing, global delivery
Packaging & Shipping
Item
Details
Inner Packaging
PE bag / vacuum sealed bag
Outer Packaging
Standard export carton with pallet
Custom Packaging
Available on request (branded bags, labels)
Port of Loading
Xiamen, China
Lead Time
7-15 days after order confirmation
Shipping Method
Sea freight / Air freight / Express (DHL, FedEx, UPS)
Frequently Asked Questions
What material is best for my application?
The choice depends on temperature, chemical exposure, and pressure requirements. NBR is ideal for general hydraulic oil applications; FKM/Viton for high-temperature and chemical resistance; Silicone for food-grade and medical; EPDM for water/steam. Please share your working conditions and we will recommend the optimal material.
Can you produce custom sizes and materials?
Absolutely. We specialize in custom molded O-rings. You can provide drawings, samples, or dimensions, and our engineering team will design and manufacture to your exact specifications. Custom compounds and colors are also available.
What is your minimum order quantity (MOQ)?
Our standard MOQ is 100 pieces per size, but we are flexible for trial orders and new clients. Contact us with your requirements and we will work out the best solution for you.
Do you provide free samples?
Yes, we offer free samples of standard sizes. For custom sizes, a small mold fee may apply. Samples are usually shipped within 3-5 working days via express courier.
What certifications do you have?
We are ISO 9001:2015 certified. Our products comply with FDA, RoHS, REACH, and NSF standards depending on the material. Third-party testing reports (SGS, TUV) are available upon request.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2018
Total Annual:
200-300
Employee Number:
50~100
Ecer Certification：
Verified Supplier
DZK seal Established in 2015, Xiamen De Zheng Kai Sealing Technology Co., Ltd. is a professional manufacturer of high-quality precision sealing components.Specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:201... DZK seal Established in 2015, Xiamen De Zheng Kai Sealing Technology Co., Ltd. is a professional manufacturer of high-quality precision sealing components.Specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:201...
