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Help CenterPlastic Mouth Ring 20mm ID x 30mm OD x 2mm Thickness, Polypropylene, 120°C Heat Resistance, Injection Molded
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer established in 1998 with over two decades of expertise in precision plastic components. Our Plastic Mouth Ring (20mm ID x 30mm OD x 2mm Thickness) is crafted from high-quality polypropylene (PP) using advanced injection molding technology, ensuring consistent dimensions and reliable performance. With a heat resistance rating of 120°C, this ring is engineered to withstand demanding industrial environments, making it an ideal choice for sealing, spacing, and fluid handling applications. Backed by our annual export value of US$5-10 million and a global presence across North America, Europe, Asia, and beyond, we deliver products that meet the highest standards of quality and durability.
This ring’s precise dimensions – 20mm inner diameter, 30mm outer diameter, and 2mm thickness – are designed to provide a secure fit in various assemblies. The polypropylene material offers excellent chemical resistance, low moisture absorption, and good electrical insulation properties, while the injection molding process ensures tight tolerances and a smooth surface finish. Below are the key technical specifications:
| Parameter | Specification |
| Inner Diameter (ID) | 20 mm ± 0.1 mm |
| Outer Diameter (OD) | 30 mm ± 0.1 mm |
| Thickness | 2 mm ± 0.05 mm |
| Material | Polypropylene (PP) – Homopolymer or Copolymer (optional) |
| Heat Resistance (Continuous) | Up to 120°C (248°F) |
| Tensile Strength | ≥ 30 MPa (typical) |
| Flammability Rating | UL94 HB (available upon request for specific grades) |
| Color Options | Natural (white/translucent), Black, or custom colors per RAL/Pantone |
Our Plastic Mouth Ring offers several advantages that directly benefit your applications:
- Precision Engineering: Injection-molded with tight tolerances (±0.1mm on diameters) ensuring consistent fit and easy assembly in automated or manual processes.
- High Temperature Stability: PP material maintains mechanical integrity up to 120°C, suitable for hot water, steam, or near-engine components.
- Chemical Resistance: Resists acids, alkalis, and many solvents, making it ideal for chemical processing, food contact surfaces (if food-grade PP selected), and laboratory equipment.
- Lightweight & Durable: Low density (0.91 g/cm³) reduces weight in final assemblies, while high impact strength prevents cracking under stress.
- Cost-Effective: Polypropylene is an economical engineering plastic, offering excellent value without compromising performance.
- Customizable: We can modify dimensions, color, or material grade (e.g., UV-stabilized, antistatic) to meet specific project requirements – minimum order quantities apply.
Typical Applications include: sealing rings in fluid connectors, spacer rings in mechanical assemblies, insulating washers in electrical enclosures, protection rings in pipe fittings, and gaskets in food processing equipment. The 20mm x 30mm size is particularly common in garden hose connectors, pneumatic systems, and automotive coolant circuits.
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable partner for global buyers. We export annually US$5-10 million worth of products to markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our factory is located in Hengshui, Hebei, China, with convenient access to the ports of Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. We are a manufacturer, not a trader, which means you get direct factory pricing, quality control, and flexible customization.
Why Choose Our Plastic Mouth Ring? With over 20 years of injection molding experience, we have refined our processes to deliver parts that meet your exact specifications. Each ring is inspected for dimensional accuracy and surface finish before shipment. We support small trial orders as well as high-volume production, and our team is ready to assist with technical questions or custom designs. Contact us today for a quote or sample – let us be your long-term partner in precision plastic components.
Frequently Asked Questions
Q1: Is this plastic mouth ring food-grade safe?
A: Our standard polypropylene is industrial grade. Food-grade PP is available upon request for applications involving direct food contact. Please specify your requirement when ordering.
Q2: Can the ring withstand continuous exposure to 120°C?
A: Yes, the material is rated for continuous use up to 120°C (248°F). However, performance may be affected by chemical exposure or mechanical load – we recommend testing in your specific environment.
Q3: What is the minimum order quantity (MOQ)?
A: For standard sizes and colors, MOQ is 1000 pieces. For custom dimensions or colors, MOQ may be 5000 pieces. We can discuss flexible options for initial samples or small projects.
Q4: What are the available color options?
A: Natural (white/translucent) is the most common. We can also produce in black, red, blue, green, or custom colors based on RAL or Pantone codes. Color matching may have a small setup fee.
Q5: How long does delivery take?
A: For stock items, delivery is 7-15 days after order confirmation. For custom orders, please allow 15-30 days depending on quantity and complexity. We ship from Tianjin, Qingdao, Shanghai, or Foshan ports.
Q6: Can I get a sample before placing a bulk order?
A: Yes, we offer samples for evaluation. The cost of samples and shipping is usually covered by the buyer, but we can deduct it from the first bulk order. Contact our sales team to arrange.
Q7: Are these rings suitable for outdoor use?
A: Standard polypropylene may degrade under prolonged UV exposure. For outdoor applications, we recommend UV-stabilized PP (available as an option). Please inform us of your environmental conditions.
Q8: Do you provide technical drawings or 3D models?
A: Yes, we can provide CAD files (STEP, IGES, PDF) for standard sizes. Custom designs can be developed based on your drawings or samples. We offer engineering support to ensure the part fits your assembly.
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