Black Rubber O-Ring Seals for Medical Use

• 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

Manufacturer: Zhongshan Melon Rubber & Plastic Products Co., Ltd.

Product Details:

• 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 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.

High-Quality FKM O-Rings from Zhongshan Melon Rubber & Plastic Products Co., Ltd.

At Zhongshan Melon Rubber, we offer custom high-quality O-rings made from various materials such as NBR, HNBR, FKM, EPDM, and silicone rubber. Our FKM rubber silicone sealing gaskets are FDA medical-grade, ensuring reliability and safety.

Types of O-Rings:

• Silicone O-Ring: Ideal for applications requiring resistance to 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 its oil and fuel resistance.


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


• Metal O-Ring: Strong and corrosion-resistant, suitable for a wide range of applications.


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

As a leading China factory, we take pride in delivering high-quality FKM O-rings that meet industry standards. Our state-of-the-art facilities and commitment to precision ensure every O-ring meets strict quality requirements. Whether you need standard sizes or custom specifications, we offer a wide range of options to suit your needs. Trust us for unparalleled quality and prompt delivery.

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

Our company specializes in reverse engineering products directly from samples, even without technical drawings. We excel in producing molded rubber products of varying complexities that precisely match your specifications and seamlessly integrate into your applications.

Count on us to deliver high-quality rubber products customized to your needs.

Explore our comprehensive O-Ring Size Charts featuring USA AS568, metric, Japanese, British, square, and more sizes for various applications.

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 O-Ring sizes? Contact us for more options!

At Zhongshan Melon, 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 today 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

Discover the Differences Between Silicone and Rubber O-Rings

Explore the variations between silicone and rubber O-rings to determine the ideal sealing solution for your needs. Learn about their unique properties, applications, and advantages.

Material Composition:

Silicone O-Rings:

Crafted from silicone polymer, offering flexibility and excellent temperature resistance ranging from -60°C to 230°C.

Rubber O-Rings:

Comprised of various rubber compounds such as NBR, EPDM, neoprene, or FKM, each with its own distinct properties.

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

Performance Characteristics:

Silicone and Rubber O-Rings

Silicone O-Rings vs. Rubber O-Rings

Silicone O-Rings: Flexible, low compression set, and excellent electrical insulation. Ideal for food, pharmaceuticals, electronics, and extreme temperature environments.

Rubber O-Rings: Versatile, resistant to abrasion, tearing, and mechanical stress. Widely used in hydraulic systems, automotive engines, and industrial machinery.

Choose the Right O-Ring for Your Needs

For temperature extremes and specialized applications, opt for silicone O-Rings. For versatility and durability in demanding conditions, choose rubber O-Rings.

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