Medical Grade Silicone O Ring Gaskets

• Type: Flat Gasket/Lock Gasket/ Spring Gasket/Customized
• Material: NBR/Nr/EPDM/Fvmq/HNBR/LSR/Cr/Silicon/PU
• Combination Washer Structure: Customzied
• Combination Washer Packaging: Customzied
• Spring Washer Type: Standard
• Application: Agricultural, Industrial, Medical, Vehicle, Electr
• Model NO.: 2-26ML230406
• Color: Brown, Green, Black or Others
• Processing: Compression Moulding/ Bonding Injection
• Hardness: 30-80shore a
• Certification: RoHS Reach Certified
• Lead Time: 7-15days
• Size: Standard : From 2mm to 500mm
• Transport Package: PE Bag Inside, Carton Box Outside
• Specification: Customized
• Trademark: OEM
• Origin: Made in China
• HS Code: 3926901000
• Production Capacity: 500000

Product Description

Product Name

Medical Grade Rubber O Rings

Medical Grade Manufacturers High-Temp Custom Metric EPDM FKM NBR Rubber Silicone O Rings

Size: Standard ASS568, JIS B 2401, and Non-standard

Raw Material: Silicone, Rubber including NBR, HNBR, SIL, VT, FVMQ, EPDM, CR, ACM, NR

Color: Brown/Black/Grey/Red/Customize

Tolerance Standard: AS568, ISO2768-M, or ISO3302-1:2014 CLASS M2

Hardness Range: 20-90 shore A

Packing: PE bag inside, carton outside

Material: Rubber/Silicone/NBR/FKM/FFKM

Application: Suitable for all industries

Certificates: REACH/RoHS/FDA

Features: Oil-resistant, heat-resistant, durable

Quality and Service: Consistently rated 5 stars by US/Germany clients for great communication, fast production, and shipment

Lead Time: 7 days for prototype tooling & samples, 14 days for production mold, 14-28 days for MOQ

Rubber Specification: ASTM D2000, SAE J200

Major Stages of Quality Control at Zhongshan Melon:

1. In-coming compounds


2. Batch identification (Traceability Record)


3. Batch Testing (Data Log: Hardness, S.G., Tensile Strength, Modulus, Elongation)


4. Pre-forms (SPC control)


5. Tooling


6. Molded parts (time, temperature (SPC), pressure)


7. In-process checks (documentation)


8. Finished parts - dimensions checked on a Micro Vu non-contacting CMM and micrometer

We ensure meticulous quality control at every stage of production to deliver reliable and high-quality rubber O rings to our customers.

Zhongshan Melon Rubber & Plastic Products Co., Ltd.

Discover high-quality FKM O-Rings at Zhongshan Melon Rubber. Our custom O-rings are made from various materials including NBR, HNBR, FKM, EPDM, and silicone rubber. The FKM rubber silicone sealing gaskets are FDA medical-grade for reliability and safety.

Types of O-Rings:

• Silicone O-Ring: Ideal for temperature swings, dry heat, and UV weathering.


• EPDM O-Ring: Resistant to alcohol and solvents, suitable for solvent applications.


• Neoprene O-Ring: Perfect for heat exchangers and chiller systems.


• Nitrile O-Ring: Popular for oil and fuel resistance.


• Clear O-Ring: Used in medical and food processing industries.


• Metal O-Ring: Strong and corrosion-resistant for various applications.


• Metric O-Ring: Specified using the metric system, commonly used globally.

As a leading China factory, we ensure industry-standard FKM O-rings. Our state-of-the-art facilities and precision guarantee strict quality requirements. Whether you need standard sizes or custom specifications, we provide a wide range of options to suit your needs. Trust us for unparalleled quality and prompt delivery.

Introducing Zhongshan Melon Rubber & Plastic Products Co., Ltd.

At Zhongshan Melon Rubber & Plastic Products Co., Ltd., we specialize in reverse engineering your product directly from a sample, even without a technical drawing. Our expertise lies in producing accurate molded rubber products, ranging from simple to highly complex shapes, that meet your exact specifications and function seamlessly within your application. Trust us to deliver high-quality rubber products tailored to your needs.

Explore our comprehensive O-ring size charts for various standards including USA AS568, metric, Japanese, British, square, and more.

Size	CS (IN)	ID (IN)	OD (IN)	CS (MM)	ID (MM)	OD (MM)
1	0.04	0.029	0.109	1.02	0.74	2.78
2	0.05	0.042	0.142	1.27	1.07	3.61
3	0.06	0.056	0.176	1.52	1.42	4.46
4	0.07	0.07	0.21	1.78	1.78	5.34
5	0.07	0.101	0.241	1.78	2.57	6.13
6	0.07	0.114	0.254	1.78	2.9	6.46
7	0.07	0.145	0.285	1.78	3.68	7.24
8	0.07	0.176	0.316	1.78	4.47	8.03
9	0.07	0.208	0.348	1.78	5.28	8.84
10	0.07	0.239	0.379	1.78	6.07	9.63
11	0.07	0.301	0.441	1.78	7.65	11.21
12	0.07	0.364	0.504	1.78	9.25	12.81
13	0.07	0.426	0.566	1.78	10.82	14.38
14	0.07	0.489	0.629	1.78	12.42	15.98
15	0.07	0.551	0.691	1.78	14	17.56
16	0.07	0.614	0.754	1.78	15.6	19.16
17	0.07	0.676	0.816	1.78	17.17	20.73
18	0.07	0.739	0.879	1.78	18.77	22.33
19	0.07	0.801	0.941	1.78	20.35	23.91
20	0.07	0.864	1.004	1.78	21.95	25.51
21	0.07	0.926	1.066	1.78	23.52	27.08
22	0.07	0.989	1.129	1.78	25.12	28.68
23	0.07	1.051	1.191	1.78	26.7	30.26
24	0.07	1.114	1.254	1.78	28.3	31.86
25	0.07	1.176	1.316	1.78	29.87	33.43
26	0.07	1.239	1.379	1.78	31.47	35.03
27	0.07	1.301	1.441	1.78	33.05	36.61
28	0.07	1.364	1.504	1.78	34.65	38.21
29	0.07	1.489	1.629	1.78	37.82	41.38
30	0.07	1.614	1.754	1.78	41	44.56
31	0.07	1.739	1.879	1.78	44.17	47.73
32	0.07	1.864	2.004	1.78	47.35	50.91
33	0.07	1.989	2.129	1.78	50.52	54.08
34	0.07	2.114	2.254	1.78	53.7	57.26
35	0.07	2.239	2.379	1.78	56.87	60.43
36	0.07	2.364	2.504	1.78	60.05	63.61
37	0.07	2.489	2.629	1.78	63.22	66.78
38	0.07	2.614	2.754	1.78	66.4	69.96
39	0.07	2.739	2.879	1.78	69.57	73.13
40	0.07	2.864	3.004	1.78	72.75	76.31
41	0.07	2.989	3.129	1.78	75.92	79.48
42	0.07	3.239	3.379	1.78	82.27	85.83
43	0.07	3.489	3.629	1.78	88.62	92.18
44	0.07	3.739	3.879	1.78	94.97	98.53
45	0.07	3.989	4.129	1.78	101.32	104.88
46	0.07	4.239	4.379	1.78	107.67	111.23
47	0.07	4.489	4.629	1.78	114.02	117.58
48	0.07	4.739	4.879	1.78	120.37	123.93
49	0.07	4.989	5.129	1.78	126.72	130.28
50	0.07	5.239	5.379	1.78	133.07	136.63
102	0.103	0.049	0.255	2.62	1.24	6.48
103	0.103	0.081	0.287	2.62	2.06	7.3
104	0.103	0.112	0.318	2.62	2.84	8.08
105	0.103	0.143	0.349	2.62	3.63	8.87
106	0.103	0.174	0.38	2.62	4.42	9.66
107	0.103	0.206	0.412	2.62	5.23	10.47
108	0.103	0.237	0.443	2.62	6.02	11.26
109	0.103	0.299	0.505	2.62	7.59	12.83
110	0.103	0.362	0.568	2.62	9.19	14.43
111	0.103	0.424	0.63	2.62	10.77	16.01
112	0.103	0.487	0.693	2.62	12.37	17.61
113	0.103	0.549	0.755	2.62	13.94	19.18
114	0.103	0.612	0.818	2.62	15.54	20.78
115	0.103	0.674	0.88	2.62	17.12	22.36
116	0.103	0.737	0.943	2.62	18.72	23.96
117	0.103	0.799	1.005	2.62	20.29	25.54
118	0.103	0.862	1.068	2.62	21.89	27.13
119	0.103	0.924	1.13	2.62	23.47	28.71
120	0.103	0.987	1.193	2.62	25.07	30.31
121	0.103	1.049	1.255	2.62	26.64	31.88
122	0.103	1.112	1.318	2.62	28.24	33.48
123	0.103	1.174	1.38	2.62	29.82	35.06
124	0.103	1.237	1.443	2.62	31.42	36.66
125	0.103	1.299	1.505	2.62	32.99	38.23
126	0.103	1.362	1.568	2.62	34.59	39.83
127	0.103	1.424	1.63	2.62	36.17	41.41
128	0.103	1.487	1.693	2.62	37.77	43.01
129	0.103	1.549	1.755	2.62	39.34	44.58
130	0.103	1.612	1.818	2.62	40.94	46.18
131	0.103	1.674	1.88	2.62	42.52	47.76
132	0.103	1.737	1.943	2.62	44.12	49.36
133	0.103	1.799	2.005	2.62	45.69	50.93
134	0.103	1.862	2.068	2.62	47.29	52.54
135	0.103	1.925	2.131	2.62	48.9	54.14
136	0.103	1.987	2.193	2.62	50.47	55.71
137	0.103	2.05	2.256	2.62	52.07	57.31
138	0.103	2.112	2.318	2.62	53.64	58.88
139	0.103	2.175	2.381	2.62	55.25	60.49
140	0.103	2.237	2.443	2.62	56.82	62.06

Welcome to Zhongshan Melon Rubber & Plastic Products Co., Ltd.

Looking for a wide range of O-Ring sizes? Contact us today!

At Zhongshan Melon Rubber & Plastic Products Co., Ltd., we have over a decade of experience in manufacturing high-quality rubber and silicone products. Our ISO certified workshop and skilled technical team are dedicated to creating customized solutions tailored to your specific needs. Whether you need rubber or silicone products, we have the expertise to deliver the perfect solution for you. Contact us now to discuss your requirements!

FAQ: 

Q:Are you a trader or a manufacturer?

A:We are a trading and manufacturing company with specialized manufacturing factories and trading departments.

Q: How can I get some samples? 

A:Please contact us. We are honored to offer you free samples.  It will cost some sample charge for custom

designs,but it is refundable when order is up to certain quantity. 

Q: What is your terms of payment? 

A: 7 days for prototype tooling & samples, 14 days for production mold, 14-28 days for MOQ.

Q: Why choose us? 

A: We have professional team with rich experiences and high precision equipment which can guarantee the

product quality, through our scientific management and strict cost control we can offer you the best competitive !

Welcome to inquire, let's get started!

Silicone O-Rings vs. Rubber O-Rings: Key Differences

Silicone O-Rings vs. Rubber O-Rings: Key Differences

Discover the disparities between silicone and rubber O-rings to select the optimal sealing solution. Delve into their properties, applications, and advantages.

Material Composition:

Silicone O-Rings: Crafted from silicone polymer, providing flexibility and temperature resistance (-60°C to 230°C).

Rubber O-Rings: Comprised of diverse rubber compounds like NBR, EPDM, neoprene, or FKM, each with distinct properties.

For high-quality silicone and rubber O-rings, trust Zhongshan Melon Rubber & Plastic Products Co., Ltd. for reliable sealing solutions.

Performance Characteristics:

Silicone O-Rings vs. Rubber O-Rings

Silicone O-Rings are flexible, have low compression set, and offer excellent electrical insulation. They are ideal for food, pharmaceuticals, electronics, and extreme temperature environments.

Rubber O-Rings, on the other hand, are versatile, resistant to abrasion, tearing, and mechanical stress. They are widely used in hydraulic systems, automotive engines, and industrial machinery.

When choosing between the two, opt for silicone for temperature extremes and specialized applications, while rubber is preferred for versatility and durability in demanding conditions.

Provided by: Zhongshan Melon Rubber & Plastic Products Co., Ltd.