Neoprene Rubber Seal for Enhanced Outdoor Equipment Longevity

Product Description

SHANGHAI HAIREN RUBBER PRODUCTS CO.,LTD.

Strictly control product quality and serve you wholeheartedly

Product Description

Rubber gasket

Custom rubber seal gaskets made of automotive-grade rubber materials(EPDM/NBR/HNBR/FKM/Silicone),molded or die-cut for flat/flange sealing in new energy vehicles,machinery,pumps&valves. Prevents leakage and provides cushioning for coolant,oil,water and gas circuits.

Key Materials & Specifications
• EPDM: -40℃~+120℃,aging/water resistant, for cooling systems
• NBR: -30℃~+110℃,oil resistant, for fuel/oil circuits
• HNBR: -40℃~+150℃,coolant resistant, for EV thermal management
• FKM: -20℃~+220℃,chemical/high temp resistant, for batteries/chemicals
• Hardness: 30–90 Shore A; Size: Custom per drawings/samples

Features
• Automotive-grade, IATF16949 certified
• Excellent coolant/oil/aging resistance, anti-vibration for EVs
• Full customization: Size/shape/material/hardness/color, low MOQ sampling
• High sealing performance, zero leakage, long service life

Applications
• EV: Battery pack, motor, ECU, electric water valve, thermal management
• Automotive: Flange, pump, valve, pipeline, lamp, wire harness
• Industrial: Machinery, pipe, pressure vessel, equipment joint surfaces

Specification

Product Name	Rubber gasket
Model	HRELT04
Place of Origin	Anhui China
Usage	Sealing and Gasketing in Various Industries
Material	Silicone Rubber
Feature	Oil High Pressure Temperature Resistance
Specification	Customized Size
Trademark	Shanghai Hairen Rubber Products Co., Ltd.
Service	OEM,ODM,Customized
Color	Black Orange Green or Customized Color

Company Profile

"Hairen Rubber and Plastic" was established in Shanghai in 2011. As a leading domestic supplier ofrubber and plastic products, our company provides a full range of rubber products including FKM, HNBR,FFKM, EPDM, NBR, CR,NR, IIR, and Si. These products are widely used in the automotive, aerospace,medical, home appliance, and industrial fields, primarily for critical applications such as sealing, vibrationdamping, and connection. With excellent temperature resistance, oil resistance, weather resistance, waterresistance, and corrosion resistance, we provide reliable rubber and plastic solutions for various precision equipment.

After more than a decade of development, HaiRen has gradually grown stronger, gathering senior design,development, and production personnel with rich industry experience. Equipped with multiple sets of high-efficiency professionalmolding equipment, including more than 40 sets of production equipment such as rubber mixing mills,cutting machines, extruders, molding machines, and CNC machining centers. Our company has passed lATF16949,ISO14001, IS045001, and has successfully joined the RubberProducts Branch of the China Rubber Industry Association.

Hairen has a comprehensive experimental testing system, equipped with a range of advanced testing andexperimental equipment, hydrometers, tensile testing machines,automatic testing machines, rotorless vulcanizing machines, and image measuring instruments. Thisallows for full-process testing of the research and development and production processes, providingfundamental data and a basis for optimization. Currently, Hairen has become a valued partner for manycompanies, including 80% foreign-invested enterprises and 20% domestic enterprises. Customercategories include automotive, hydraulic/pneumatic/industrial equipment, home appliances, andaerospace.

We have a clear organizational structure, ensuring clear responsibilities for each department andstandardized operation throughout the entire process of order delivery, quality control, and technicalservices. This guarantees dual control over product quality and delivery efficiency.

FAQ

1.Can you customize rubber seals based on my drawings or samples?

Yes, we offer a full range of OEM and ODM customization services for rubber seals. We can produce custom parts strictly according to your 2D/3D drawings, physical samples, or specific design requirements. Our professional engineering team will provide material selection, design optimization, and mold making services for your customized projects.
We can also recommend materials and designs for you based on the product's operating conditions.

2.What rubber materials are available for your seals to choose from?

We offer a full range of rubber materials, including:
- Nitrile rubber (NBR): Excellent oil resistance, widely used in automotive oil seals
- Ethylene diene monomer (EPDM): Excellent weather resistance, ozone resistance, and heat resistance, suitable for outdoor applications
-Silicone rubber (Si): excellent high and low temperature resistance, providing food grade and medical grade 
- Fluororubber (FKM): Excellent chemical resistance and high temperature resistance, suitable for extrem

3.What is the delivery time for samples and mass production?

-Standard spot products: shipped within 24-48 hours after payment confirmation
-Customized samples: 3-7 working days after confirmation of drawings and materials
-Customized mass production: 10-20 working days after sample approval and order confirmation. The delivery time can be adjusted according to your order quantity and project urgency.

4.Are you a trading company or a manufacturing enterprise?

We integrate industry and trade. We have our own production base, mature engineering and technical personnel, and a mold manufacturing workshop.

5.What payment methods do you accept?

We accept flexible payment methods for domestic and international orders:
- Wire transfer (T/T): 30% deposit in advance, 70% balance to be paid before shipment.
-Long term partners can negotiate other payment methods.

6.What certifications do you have for your rubber seal products?

We have passed multiple international authoritative certifications, including:
- IATF 16949:2016 Automotive Quality Management System Certification
- ISO14001:2015 Environmental Management System Certification
- ISO45001:2018 Occupational Health and Safety Management System Certification
- Compliant with EU RoHS and REACH standards
- Food-grade silicone products have obtained FDA food contact material certification. We can provide a full set of certification documents test your requirements.

7.Do you provide warranty for your rubber seal products?

Yes, all of our rubber seal products come with a 12-month warranty from the date of delivery. During the warranty period, if the product has quality issues due to manufacturing defects on our end, we will provide free replacement or refund services. For products used under special working conditions, we can provide customized warranty services according to project requirements.

8.How is the price of customized rubber parts calculated?

The price of customized rubber parts is calculated based on the following factors:
1.The material, size, weight, and structural complexity of the parts
2.Mold opening cost and mold requirements
3.Order quantity and production process difficulty
4.Surface treatment, certification, and packaging requirements. Please send us your detailed drawings and order requirements, and we will provide you with an accurate and competitive quotation within 24 hours.

9.How many years of experience does your company have in the rubber seal manufacturing industry?

We have over 15 years of professional manufacturing experience in the rubber seal industry, equipped with a professional R&D team and mold manufacturing workshop. We have established long-term cooperative relationships with many well-known automotive and industrial machinery brands around the world, and have rich experience in customized rubber seal projects in various industries. We look forward to becoming your long-term reliable partner in China.

10.Can you provide samples for testing before bulk ordering?
Yes, we can provide standard size samples of this product, and you only need to bear the shipping cost. For customized size samples, we will charge a reasonable sample fee, which can be refunded when ordering in bulk.