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Flexible Nitrile PVC Foam Insulation Pipe Fire Resistant HVAC Pipe Insulation

Rubber foam insulation tubes are closed-cell flexible NBR foam pipes with low thermal conductivity and excellent thermal insulation and anti-condensation performance. They also feature flame retardancy, sound absorption, flexibility, corrosion resistance, moisture resistance and freeze protection. Easy to install, they wrap air conditioning, HVAC and water supply & drainage pipes for energy saving, anti-sweat, noise reduction and freeze protection. They are widely used as standard insulation materials for HVAC systems.

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Product Description

Product Description

Rubber foam insulation tubes are flexible thermal insulation pipes mainly made of NBR nitrile rubber and PVC polyvinyl chloride, manufactured via advanced closed-cell foaming technology.With a fine compact structure and a high closed-cell ratio, they deliver superior thermal insulation, anti-condensation, anti-sweating and anti-freeze performance, as well as effective sound absorption and noise reduction.They also feature reliable fire retardancy, great flexibility and shock absorption, excellent moisture resistance and ageing resistance. The products are easy to install and can be directly wrapped around air conditioning water pipes, HVAC ductwork and refrigeration pipelines.They greatly reduce cold and heat energy loss, prevent condensation dripping, cut down pipeline noise and extend the service life of piping systems.

They are widely applicable to central air conditioning systems, general HVAC piping, water supply and drainage pipelines, cold storage refrigeration lines, chemical pipelines and various building piping systems.Custom inner diameters and wall thicknesses are available, and self-adhesive backed options are also offered. The products comply with relevant fire safety and environmental certifications.

They are extensively used in residential decoration, commercial buildings and industrial thermal insulation projects, achieving energy conservation, cost reduction and long-term reliable pipe protection.

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Core Advantages of NBR Rubber Foam Insulation Pipe

Excellent Thermal Insulation & Anti-Condensation Performance

Made of closed-cell NBR-PVC foam structure, the rubber foam pipe features ultra-low thermal conductivity, effectively blocking heat and cold transfer. It greatly reduces energy loss of HVAC, plumbing and refrigeration pipelines, preventing condensation, water dripping and pipe sweating all year round, avoiding pipe corrosion and mold growth, and saving long-term building energy costs.

Fire Retardant & Safe Material

Made of modified nitrile rubber and PVC materials, it complies with mainstream fire safety standards. It limits flame spread, produces minimal smoke, and will not burn continuously, providing reliable fire protection for building piping systems while being non-toxic and eco-friendly for indoor use.

Sound Absorption, Shock Resistance & Flexibility

The elastic closed-cell structure delivers great sound absorption and vibration damping effects, reducing pipeline flow noise and vibration resonance noise. It is highly flexible, easy to cut and wrap around pipes of different diameters, adapts to complex pipe layouts, and significantly speeds up on-site installation work.

Moisture Proof, Aging Resistant & Long Service Life

The dense closed-cell structure blocks water vapor penetration, achieving excellent moisture barrier performance, resisting damp environments, ozone aging and temperature cycling damage. It maintains stable physical performance for years, suitable for long-term use in HVAC, cold storage, industrial and residential pipeline systems, and reduces maintenance costs.

Customizable Specifications & Flexible Options

Available in various inner diameters, wall thicknesses and lengths, with optional self-adhesive backing for faster installation. It meets global environmental and industry certifications, widely used in air conditioning, central heating, plumbing, refrigeration and industrial piping projects, supporting wholesale orders and free samples.

Technical Specifications of NBR Rubber Foam Insulation Pipe

Key Attributes
Material	NBR Nitrile Rubber + PVC Polyvinyl Chloride	Type	Closed-cellThermal Insulation Tube
Product Name	NBR Rubber Foam Insulation Pipe	Main Function	Thermal nsulation, Anti-condensation,Fire Retardant,Sound Absorption, Anti-freeze
Shape	Cylindrical Tube	Color	Black(customizable available)
Common Sizes	Inner Diameter: 9mm / 15mm / 20mm / 27mm / 34mm etc.Wall Thickness: 9mm / 15mm / 20mm / 25mm etc.(Customized)	Length	1m/1.8mperpiece (customizable)
Thermal Conductivity	≤0.034 W/m·K (at 25℃)	Density	40~90kg/m³ (customizable)
Fire Rating	Class B / Class B1 Flame Retardant	Operating Temperature	-40℃ ~ +105℃
Structure	Closed-cell Elastic Foam	Optional Style	Ordinary / Self-adhesive Backed
Eco Friendly	Yes	OEM Service	Accept OEM & ODM
Brand Name	Customizable	Place of Origin	China
Application	HVAC, Air Conditioning, Plumbing, Refrigeration, Heating Piping Systems	After-sale Service	OnlineTechnicalSupport
Packing	PE Film / Carton Packaging	Warranty	1 Year
Features	Moisture-proof, anti-condensation, flexible, shock-absorbing, aging-resistant	Sound Insulation	Good Vibration & Noise Reduction Performance

Industry Applications

The NBR rubber foam insulation pipe is a professional thermal insulation material for pipeline systems across construction, HVAC and industrial fields, with core applications including:

Central Air Conditioning & HVAC Piping Insulation: Wrapped around air conditioning copper pipes and HVAC water pipelines to prevent condensation dripping, reduce cold and heat loss, stabilize pipeline temperature and improve overall air conditioning system efficiency.

Plumbing & Domestic Water Pipe Protection: Applied to hot and cold water supply pipelines, effectively preventing freezing and cracking in cold seasons, reducing heat loss of hot water pipes and dampening water flow noise for residential and commercial buildings.

Refrigeration & Cold Storage Pipelines: Used for refrigeration system pipes, maintaining stable cold delivery, minimizing cold loss, avoiding pipe sweating and corrosion, and ensuring efficient long-term cold storage operation.

Industrial Chemical & Process Piping: Insulation for industrial process pipes and chemical pipelines, reducing energy consumption, preventing external temperature interference, providing vibration damping and anti-corrosion protection for industrial piping systems.

Heating & District Heating Piping Systems: Applied to heating and hot water heating pipelines, reducing heat dissipation, improving heating efficiency, saving energy costs and extending the service life of heating pipelines.

Building MEP & Fire Protection Piping Systems: Used for mechanical, electrical, plumbing and fire-fighting pipe insulation in buildings, meeting fire safety standards, reducing noise and vibration, and supporting the stable operation of building electromechanical systems.

Customization Service

We provide one-stop customization service for NBR rubber foam insulation pipe tailored to pipeline engineering and project characteristics:

Size Customization: Custom inner diameter, wall thickness and length according to construction drawings and on-site pipeline specifications;

Performance Customization: Adjust density, foam structure and flame retardant grade for projects with special anti-freeze, anti-condensation, noise reduction and fire safety requirements;

Surface Customization: Optional self-adhesive backing, aluminum foil cladding and protective coating for enhanced moisture resistance, aging resistance and easy installation;

OEM Service: Support brand printing, packaging customization and bulk order parameter optimization for building material distributors, HVAC contractors and engineering projects.

After-sales Support for B2B Clients

Online technical guidance for construction and installation
Product quality tracking and regular inspection
Fast response to after-sales inquiries and complaints
Global logistics coordination and bulk delivery support
Free sample testing and pre-order validation
Long-term technical consultation for large engineering projects

FAQ

Q1: What is the main material of the rubber foam insulation pipe?

A: It is mainly made of NBR nitrile rubber and PVC polyvinyl chloride, manufactured with closed-cell foaming technology, featuring a dense elastic foam structure.

Q2: What is the main function of the NBR rubber foam pipe?

A: It provides thermal insulation, anti-condensation, anti-freeze, sound absorption, vibration damping and flame retardant protection for various HVAC, plumbing and refrigeration pipelines, reducing energy loss and preventing pipe sweating and corrosion.

Q3: What temperature range can the rubber foam insulation pipe work within?

A: The normal continuous operating temperature range is -40℃ to +105℃, suitable for cold water, hot water, air conditioning and refrigeration pipeline systems under common building conditions.

Q4: Can we customize the sizes and styles of the rubber foam insulation pipe?

A: Yes. We support custom inner diameters, wall thicknesses and lengths. Self-adhesive backing, aluminum foil cladding and other surface treatments are also available to meet different installation and environment requirements.

Q5: What fire rating does the rubber foam insulation pipe meet?

A: It meets B1 class flame retardant standards, with low smoke density, effectively slowing flame spread, suitable for building HVAC and MEP pipeline systems with fire safety requirements.

Q6: Is the rubber foam pipe easy to install and can it be used for long-term outdoor applications?

A: It is flexible, easy to cut and wrap around pipes, greatly speeding up installation. For long-term outdoor use, an additional protective layer is recommended to extend its service life against UV aging.

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