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Dust Boot Cover Seals, also known as propshaft boots, are protective rubber components designed to shield driveline joints from dust, moisture, and contaminants. Made from high-quality materials such as CR, HNBR, or silicone, these boots offer excellent resistance to pressure, vibration, and harsh environmental conditions. They are widely used in automotive, construction, and agricultural machinery applications. Custom sizes, materials, and colors are available to meet specific engineering requirements.Dust Boot Cover Seals, also known as propshaft boots, are protective rubber components designed to shield driveline joints from dust, moisture, and contaminants. Made from high-quality materials such as CR, HNBR, or silicone, these boots offer excellent resistance to pressure, vibration, and harsh environmental conditions. They are widely used in automotive, construction, and agricultural machinery applications. Custom sizes, materials, and colors are available to meet specific engineering requirements.
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The propshaft boot is a version of the dust cover in S-shape, which “rolls” around the joint at the assembly. The boot is made of CR or HNBR and is characterized by its high-speed stability, a high resistance against inner pressure and its assembly process.
· Available in various rubber materials (e.g., silicone, EPDM, FVMQ)
· Customizable dimensions, shapes, and durometer
· Stable performance under vibration and compression
· Optional color coding for circuit identification
Parameter | Value / Range |
Dust Boot Cover Seals | Propshaft Boots |
Operating Temperature Range | -70~+190 |
Operating Temperature (Max) | +190 |
Primary Product Color | Red |
Primary Product Material | Silicone |
Material Options | Silicone, EPDM, FVMQ, NBR,etc |
Hardness (Shore A) | 50 |
Color Options | Black, Red, Blue, Yellow, Custom |
Tolerance | ±0.05 mm or per customer spec |
Standard Compliance | Certified to RoHS, REACH, and ISO/TS 16949 standards |
Automotive Industry- Used in drivetrains to protect universal joints, bearings, etc., from dust, moisture, and contaminants.
Construction Machinery- Used in drive shafts of heavy equipment like excavators and cranes.
Agricultural Machinery- Protects driveline components in tractors and harvesters
Industrial Equipment - Seals rotating shafts and prevents dust in industrial machinery.
· Fully customized mold design based on client drawings or samples
· In-house R&D support for material and structure optimization
· Low-volume prototype production available
· Free engineering consultation
1. Send your drawing/sample/technical requirements
2. DFM analysis & quotation within 24–48 hrs
3. Sample mold and prototype production (5–10 days)
4. Sample approval and mass production (lead time 15–25 days)
5. Full inspection + secure packaging + global shipping
· ISO9001 / IATF 16949 certified
· RoHS and REACH compliant materials
· 100% inspection before delivery
Aging, leak, and compression set testing available
 | Q1: Can I customize the shape, size, and material of the seal? |
A1: Yes, we offer full customization based on your drawings, samples, or technical specifications. Our in-house R&D team supports mold design, material selection, and rapid prototyping. |
| Q2: What is the minimum order quantity (MOQ)? |
A2: Our MOQ depends on the complexity and material of the product, but we support small trial orders for new projects or sampling. |
| Q3: How long does it take to get samples? |
A3: Typically, we can deliver prototype samples within 5–10 working days after confirming the drawings and specifications. |
| Q4: Are your materials RoHS and REACH compliant? |
A4: Yes, all our standard materials are compliant with RoHS and REACH. Material certificates can be provided upon request. |
| Q5: What industries do you mainly serve? |
A5: We mainly serve the automotive, EV, industrial equipment, and agricultural machinery industries, with connector sealing solutions tailored to harsh environments. |
| Q6: Do you offer engineering support or co-design services? |
A6: Absolutely. Our team can assist with design for manufacturability (DFM), material selection, and structural optimization to meet your sealing performance needs. |
