Browse our core range of elastomeric, open-cell, and cryogenic thermal insulation systems manufactured under stringent global compliance standards. Get direct-from-factory quotes below.
In modern industrial and commercial operations, energy preservation and structural integrity are paramount. Uninsulated or improperly insulated piping networks act as continuous thermal leaks, directly increasing greenhouse gas emissions and operational expenses. High-performance closed-cell elastomeric rubber foam insulation is engineered to control heat transfer, prevent surface condensation, and protect pipelines against severe mechanical wear and environmental stress.
When cold service lines operate below ambient dew points, vapor pressure differentials drive moisture toward the cold pipe surface. If the insulation material permits air infiltration, moisture condenses against the bare pipe, causing Corrosion Under Insulation (CUI). Our elastomeric NBR/PVC formulations feature a built-in vapor barrier with a water vapor diffusion resistance factor (μ-factor) exceeding 10,000, eliminating the need for separate external wraps.
Beyond thermal performance, industrial equipment and high-velocity piping create significant mechanical vibration and fluid turbulence. Standard open-cell soundproofing matrices and specialized multi-layered systems decouple noise transmission paths, absorbing air-borne and structure-borne sound wave frequencies to ensure workplace safety compliance.
SEO Technical Insight (E-E-A-T): System specifiers must evaluate the thermal conductivity (K-value) under realistic conditions. Kingflex NBR/PVC insulation maintains a low, stable thermal conductivity of ≤ 0.034 W/(m·k) at 0°C, offering durable long-term resistance to aging and moisture ingress.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Kingflex research development and production department is located in the well-known capital of green-building materials in Dacheng, China. It is an energy-saving, environmentally friendly enterprise concentrating on research, development, production, and sales. In operation, Kingflex takes energy saving and consumption reduction as its core concept. We provide solutions regarding insulation by means of consultation, research and development, production, installation guidance, and post-sale service to lead the development of the global building materials industry.
Kingflex is established by Jinwei Group which has more than a 40-year history. Kingway Group is established in 1979. It was the first manufacturer of thermal insulation materials north of the Yangtze River. This deep industrial heritage gives us unparalleled expertise in raw material sourcing, chemical processing, and quality consistency.
Our employees are amazing in their own right, but together they are what makes Kingflex such a fun and rewarding place to work. The Kingflex team is a tight-knit, talented group with a shared vision of giving consistently first-class service to our clients. Kingflex has eight professional engineers in the R & D Department, 6 professional international sales, and 230 workers in the production department.
At present, Kingflex has 5 large automatic assembly lines, with an annual production capacity of more than 600,000 cubic meters, and has become a designated production enterprise designated by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.
Supply integrated solutions of thermal insulation, cold insulation, and noise reduction for buildings and industries. We export to over 66 countries, ensuring compliance with international norms.
Correct installation is critical to ensure the lifetime performance of flexible elastomeric foam insulation. Failure to apply the correct techniques, adhesive sealants, and physical configurations can compromise the vapor seal, lead to CUI, or cause premature mechanical breakdown. Follow this engineering guide for optimal project results.
Wherever the insulated piping contacts mechanical hangers or structural supports, the weight of the line can crush the elastomeric structure. This reduces wall thickness, raises the local k-value, and triggers condensation. Standard structural hangers must be installed over high-density insulating inserts (such as Kingflex rigid polyurethane foam pipe supports with integrated metal shield jackets) to preserve the continuous vapor barrier and distribute structural load.
For complex piping geometries, elbows and tees must be insulated by cutting mitered segments from standard Kingflex tubes or templates cut from sheet rolls. Ensure all miter joints are cut clean using sharp knives to maintain flat mating surfaces. Join cuts with a full application of adhesive along the cut edges. Never stretch or squeeze the miter joints, as compression reduces thermal performance.
When installed outdoors, elastomeric NBR rubber is vulnerable to ultraviolet (UV) degradation, ozone cracking, and physical weathering. Apply Kingflex UV-resistant protective paint coatings, or install durable aluminum, stainless steel, or PVC jacketing to shield the core insulation from damage. Ensure the protective jacket is properly sealed against rainwater ingress.
Standard Dimensions:
Material: NBR/PVC
Thickness: 6mm - 50mm
Density: 40 - 55 kg/m³
Service Temperature Range: -40℃ to 105℃
Advantage & Performance:
1. Foams evenly and fully, closed-cell rate over 98%, excellent thermal insulation.
2. Fully closed-cell structure, low moisture absorption, stable long-term thermal conductivity.
3. Compression resilience over 80%.
4. Flame retardant, self-extinguishing off fire.
5. Low thermal conductivity, high moisture resistance factor.
Standard Dimensions:
Material: NBR/PVC
Thickness: 9mm - 40mm
ID (Inner Diameter): 6mm - 114mm
Density: 40 - 55 kg/m³
Service Temperature Range: -40℃ to 105℃
Advantage & Performance:
1. Foams evenly and fully, closed-cell rate over 98%, excellent thermal insulation.
2. Professional pipe spraying equipment ensures even coating.
3. Compression resilience over 80%.
4. Flame retardant, self-extinguishing off fire.
5. Low thermal conductivity, high moisture resistance factor.
6. Greatly reduces pipe freezing and cracking risks.
Kingflex products are deployed worldwide to maintain continuous thermal control and energy efficiency. Below are original images highlighting our materials on active project sites, custom HVAC systems, and architectural installations.
Each project is completed under rigorous technical oversight. The raw materials used are sourced from quality-verified suppliers, ensuring consistent physical characteristics. Our NBR base material exhibits outstanding resistance to continuous mechanical vibrations, environmental stress cracking, and ozone degradation.
We work closely with global engineering procurement contractors (EPCs) and project managers. Below are screenshots illustrating our communication and customer satisfaction regarding order progress and high-grade technical delivery:
Take a virtual tour of our 5 high-speed automatic production lines in Dacheng. Our facility has achieved Class-A industrial efficiency ratings, allowing us to maintain a stable, high-volume supply chain for projects worldwide.
We manufacture thermal, acoustic, and cryogenic insulation materials. Below are direct product categories to help you select the appropriate insulation system for your design specification:
Highly flexible, elastomeric closed-cell insulation designed to prevent heat transfer and condensation in HVAC and industrial systems. Excellent for hot and cold service lines.
Composed of fine glass fibers, suitable for high-temperature ducts and piping. Features excellent acoustic absorption and structural fire protection properties.
Engineered for high-temperature industrial piping, oil refinery equipment, and fireproofing applications. Withstands temperatures exceeding 1000°C.
Find answers below to technical specifications, compliance requirements, installation methods, and direct factory procurement questions.
Explore our high-performance sheet rolls and self-adhesive insulation solutions designed for rapid on-site installation and long service life. Contact us for bulk pricing and technical details.
Kingflex
