Black EPDM O-Rings for Various Applications

• 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 Custom Rubber O Rings

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

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

Raw Material: Silicone, Rubber (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.

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 like 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 high-quality FKM O-rings that meet industry standards. Our state-of-the-art facilities and precision guarantee strict quality requirements. Whether you need standard sizes or custom specifications, we offer a wide range of options. Trust us for top-notch 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 creating molded rubber products of varying complexities that precisely match your specifications and seamlessly integrate into your applications.

Count on us to provide high-quality rubber products customized to meet your specific 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 the perfect O-Ring size? 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 and let us provide you with the ideal product for your needs.

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 unique properties, applications, and advantages of silicone and rubber O-rings to help you choose the best sealing solution for your needs.

Material Composition:

Silicone O-Rings:

Crafted from silicone polymer, these O-rings offer flexibility and 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 and benefits.

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

Performance Characteristics:

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.

Applications:

• Silicone O-Rings: Perfect for food, pharmaceuticals, electronics, and extreme temperature environments.


• Rubber O-Rings: Widely utilized in hydraulic systems, automotive engines, and industrial machinery.

Opt for silicone for temperature extremes and specialized applications; choose rubber for versatility and durability in demanding conditions.

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