Medical Grade Liquid Silicone Rubber for Oxygen Nasal Pillow Mask with Superior Comfort and Stability

Product Overview

Medical Grade Liquid Silicone Rubber (LSR) 6250-50YH is specially developed for manufacturing oxygen nasal pillow masks and respiratory care components. Designed for prolonged skin contact, this material offers excellent softness, biocompatibility, and dimensional stability, ensuring maximum comfort and safety for users.

With a balanced Shore A hardness of 50, this LSR provides an ideal combination of flexibility and structural support. It allows nasal pillow masks to maintain their shape while minimizing pressure on sensitive skin areas. The material is also highly stable during processing, making it suitable for precision injection molding.

Key Features

• Medical-grade, platinum-cured silicone material

• Skin-friendly and suitable for long-term contact

• Excellent elasticity and recovery performance

• High tear resistance for durability

• Low compression set for long-lasting sealing performance

• Stable processing and consistent product quality

  Typical Technical Data

  Property	Unit	Value
  Appearance	/	Transparent
  Viscosity	Pa·s	1.2 × 10⁶
  Hardness	Shore A	50
  Density	g/cm³	1.10
  Resilience	%	60
  Tensile Strength	MPa	8
  Elongation at Break	%	550
  Tear Strength	kN/m	30
  Tensile Set	%	1.7
  Linear Shrinkage	%	2.6

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  Product Advantages

  Enhanced Wearing Comfort
  The optimized softness reduces skin irritation and ensures a gentle sealing effect for nasal pillow masks.

  Excellent Mechanical Strength
  High tensile and tear strength improve durability, even under repeated use and deformation.

  Reliable Sealing Performance
  Low tensile set ensures long-term shape retention and consistent sealing performance in respiratory devices.

  Stable Processing Performance
  Suitable for LSR injection molding with uniform curing and minimal defects.

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  Applications

• Oxygen nasal pillow masks

• CPAP / respiratory masks

• Medical sealing components

• Soft-contact medical silicone parts

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  Packaging

• 20 kg pails

• 200 kg drums

• Q4: Is it suitable for injection molding?
  Yes, it is optimized for liquid silicone rubber injection molding processes.

Contact Us

Tel: 86 13421773611
Whatsapp / Wechat: 86 13421773611
Email: wendy@ruihesilica.com

Store in a cool and dry place. Shelf life is 12 months.

About Ruihe New Material

Guangzhou Ruihe New Material Technology Co., Ltd is a professional manufacturer specializing in liquid silicone rubber (LSR) and solid silicone rubber (HCR). Our medical-grade silicone materials are widely used in respiratory devices, baby care products, healthcare components, and industrial applications.

With advanced production technology and strict quality control, we provide reliable silicone solutions to global customers.

FAQ

Q1: Is this material safe for long-term skin contact?
Yes, it is a medical-grade silicone designed for prolonged and direct skin contact.

Q2: Can this LSR be used for CPAP masks?
Yes, it is ideal for oxygen masks, CPAP nasal pillows, and other respiratory devices.

Q3: What makes this material suitable for sealing applications?
Its low tensile set and high elasticity ensure stable and long-lasting sealing performance.