• ✅ 100% Waterproof Sealing - Professional-grade leak-proof protection
• ✅ Customized Production - Size, material, and color customizable to order
• ✅ Excellent Durability - Temperature range from -60°C to 300°C
• ✅ Wide Compatibility - Suitable for various industrial and daily scenarios
• ✅ Eco-friendly Materials - Complies with RoHS standards, safe and non-toxic

Perfectly sealed, easy to install.

Our custom round waterproof plug is designed to solve various hole sealing problems. Whether you need to protect threaded holes, cable openings, mechanical parts, or pipe ports, this multi-functional plug provides reliable and long-lasting sealing performance. The unique round design ensures easy installation, requiring only a gentle press to achieve a perfect fit, and it is also easy to remove without leaving residue.

• Excellent heat and cold resistance (-60°C to 300°C)
• Superior flexibility and elasticity
• Complies with FDA standards, safe for food contact
• Excellent aging and UV resistance
• Natural anti-adhesion properties, making it less likely to attract dust

• Excellent wear and tear resistance
• Superior oil and chemical resistance
• High-density structure ensures long-term compression set resistance
• Economical bulk solutions
• Multiple hardness options available (Shore A 30-90)

• Each waterproof plug is manufactured using precision molds to ensure:
• Dimensional tolerance controlled within ±0.15mm
• Smooth surface with no burrs, protecting the sealed surface
• Uniform material distribution to avoid weak points
• Consistent geometric shape, ensuring interchangeability of mass-produced products

• Sealing holes and cavities in mechanical equipment casings
• Waterproof protection for electrical control boxes
• Dust and water resistance for automotive components
• Temporary or permanent closure of pipe ports
• Protection of injection molding holes in molds

• Waterproofing of Cable Entries
• Sealing of Electronic Device Enclosures
• Protection of Outdoor Electrical Connections
• Interface Protection for Dashboards

• Furniture assembly hole beautification and protection
• Waterproof treatment for outdoor equipment
• Sealing of laboratory equipment
• DIY projects and creative making
• Maintenance of ships and water-based equipment

• We offer fully personalized size services:
• Diameter and thickness can be precisely adjusted as required
• Special shape design (such as with handles, flanges, and snap-fit structures)
• Support for non-standard cross-sectional shapes

• Silicone: Transparent, white, black, and 12 standard Pantone colors
• Rubber: Black, gray, and 8 standard colors
• Special materials: Flame-retardant silicone, conductive rubber, anti-static materials, etc.
• Hardness customization: Adjust material hardness according to application requirements

• Smooth surface or textured surface available
• Laser-engraved marking/numbering
• Color coding system