Product Features

LSR parts boast the following standout features, making them widely popular in industrial and consumer sectors:

• Strong Temperature Resistance: Can operate normally in temperatures ranging from -60°C to 250°C, suitable for high or low-temperature environments.
• Biocompatibility: Complies with FDA and USP Class VI standards, safe for medical and food-contact applications.
• High Flexibility and Elasticity: Excellent tensile strength and resilience, able to withstand repeated bending without deformation.
• Waterproof and Dustproof: Superior sealing performance, resistant to moisture, chemicals, and UV erosion.
• Easy to Clean and Durable: Smooth surface, not prone to dirt adhesion, with a long service life.
• Eco-Friendly and Non-Toxic: Odorless, free of volatile organic compounds (VOCs), environmentally friendly.

These features make LSR parts an ideal choice for high-demand applications.

Manufacturing Process

The production of LSR parts utilizes advanced injection molding technology to ensure efficiency and high precision. Here is a typical production workflow:

1. Raw Material Preparation: Store Part A (silicone polymer) and Part B (curing agent) separately, and mix them through a precise metering system.
2. Injection Molding: Inject the mixed liquid silicone rubber into a preheated mold cavity using high pressure and temperature (typically 150-200°C) for forming.
3. Curing Process: The material cures rapidly inside the mold, usually taking just seconds to minutes, with the platinum catalyst ensuring no by-products are produced.
4. Demolding and Post-Processing: Remove the parts after cooling, perform trimming, cleaning, and quality inspection, which may include surface treatments like plasma activation.
5. Quality Control: Ensure products meet standards through visual inspection, dimensional measurement, and performance testing.

This process supports high-volume production with short cycles and minimal waste, enhancing overall efficiency.

Application Scenarios

LSR parts are widely used across multiple industries, providing reliable sealing and protection functions:

• Healthcare: Used in syringe plungers, respiratory masks, and implantable devices, thanks to their biocompatibility and sterilization tolerance.
• Automotive Industry: As seals, vibration dampers, and sensor covers, enduring high temperatures and vibrations.
• Electronics: Protecting connectors, buttons, and waterproof enclosures from dust and moisture intrusion.
• Consumer Goods: Such as kitchen utensils, baby products, and wearable devices, offering soft touch and durability.
• Industrial Equipment: For pipe plugs, valve covers, and protective components, performing well in chemical and mechanical environments.

These scenarios highlight the versatility of LSR parts.

Dongguan BinSen Hardware & Plastic Co., Ltd., founded in 2013 in Houjie, operates a 16,000㎡ facility with full in-house capabilities in precision mold making, metal stamping, CNC machining, and plastic injection molding. With a 200+ professional team, we deliver stable, high-precision, and cost-effective manufacturing solutions across global markets.

Customization Options

We offer flexible customization services to meet specific needs:

• Size and Shape: Customized based on customer drawings for diameter, length, and complex geometries, supporting designs from simple plugs to multi-cavity structures.
• Color Selection: Beyond standard red, customizable in transparent, black, blue, and other colors using food-grade pigments.
• Hardness Adjustment: Shore hardness adjustable from 10A to 80A to suit different flexibility requirements.
• Surface Treatment: Add textures, anti-slip coatings, or laser-engrave brand logos.
• Material Enhancement: Optional addition of conductive, antimicrobial, or flame-retardant additives.
• Batch and Prototyping: Supports small-batch prototyping and large-scale production with flexible minimum order quantities.

Please contact us with detailed specifications, and we will optimize the design based on your application.

FAQ

Here are common questions and answers about LSR parts:

Q1 What is the difference between LSR and solid silicone rubber?

A:LSR is in liquid form, facilitating injection molding for higher precision and faster production cycles, while solid silicone rubber is typically used for compression molding.

Q2 Are LSR parts resistant to chemicals?

A: Yes, LSR has good resistance to most acids, bases, and solvents, but avoid strong oxidants.

Q3 How long does the production cycle take?

A:Depending on complexity, prototypes typically take 1-2 weeks, and mass production cycles are 4-6 weeks.

Q4 Do you support medical-grade certification?

A:Yes, our products can comply with ISO 13485 and FDA standards to ensure safety for medical applications.

Q5 How to clean LSR parts?

A:Wipe with mild soapy water or isopropyl alcohol; they can withstand autoclaving or steam sterilization.

Q6 How are customization costs calculated?

A:Based on design complexity, materials, and volume; please inquire for a quote.

Q7 What is the service life of LSR parts?

A:Under normal conditions, it can last several years, depending on the environment and usage frequency.

Q8 Are they environmentally friendly?

LSR is non-toxic, recyclable, and the production process generates low waste.