Direct supply from state-of-the-art Chinese manufacturing facilities. Advanced thermal control, acoustic damping, and weatherproofing sealing materials.
A Comprehensive Study on Elastomeric Cellular Structures, Advanced Acrylic Adhesives, and Global Industrial Sealing Dynamics
Self-adhering foam tapes represent a critical advancement in industrial sealing, thermal insulation, and acoustic attenuation. Made from cellular elastomeric materials such as NBR (Nitrile Butadiene Rubber) and PVC (Polyvinyl Chloride), these tapes utilize high-performance Pressure-Sensitive Adhesives (PSA) on one or both sides to achieve instant bonding upon contact.
The micro-cellular geometry of elastomeric foam features an evenly distributed closed-cell structure. With a closed-cell rate exceeding 98%, it functions as an impermeable barrier to air currents, moisture vapor, and heat transfer. In HVAC installations and mechanical piping, preventing vapor transmission is paramount; self-adhering foam tapes eliminate the need for liquid adhesives, accelerating installation speeds while maintaining thermal integrity.
When evaluating self-adhering foam tapes for industrial HVAC, automotive, or acoustic applications, understanding material constants is vital. The core material formulated by Kingflex Insulation leverages advanced compounding to ensure chemical resilience and flame retardancy.
| Performance Parameter | Standard Metric Value | Test Methodology Reference |
|---|---|---|
| Core Material Composition | Elastomeric NBR/PVC Blend | ISO 1629 / ASTM D1418 |
| Density Range | 40 - 55 kg/m³ | ASTM D1622 |
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·K) at 0°C | ASTM C518 / ISO 8301 |
| Water Vapor Permeability | μ ≥ 10,000 (Moisture Resistance Factor) | BS EN 12086 / ASTM E96 |
| Service Temperature Range | -40°C to +105°C (-40°F to +221°F) | ASTM C411 |
| Fire Safety Rating | Class 1 / Class 0 / V-0 self-extinguishing | BS 476 Part 7 / UL 94 |
| Compression Resilience | ≥ 80% recovery after load release | ASTM D1056 |
Located in Dacheng, the recognized capital of green-building materials in China, the Kingflex Insulation Co., Ltd. manufacturing complex demonstrates the supply chain advantages of Chinese production. Our infrastructure is designed for high-capacity, high-precision output, utilizing 5 large-scale automatic assembly lines.
This continuous vertical integration enables an annual production capacity exceeding 600,000 cubic meters. By manufacturing the raw elastomeric foam and formulating the pressure-sensitive adhesive coating in-house, Chinese factories manage raw material quality, thermal performance variables, and adhesive curing cycles under a single quality control standard.
Next-generation R&D pathways driving elastomeric insulation and adhesive tape technologies forward.
How specialized self-adhering foam tapes meet specific regional and industry-specific requirements.
In coastal and subtropical zones, condensation on HVAC ducts can cause mold growth and ceiling damage. High moisture resistance factors are essential here. Applying Kingflex self-adhering elastomeric foam tape around duct joints and connection flanges creates a moisture-tight barrier that prevents warm, humid air from contacting cold pipe surfaces.
Cryogenic facilities operating with liquefied gases (like LNG) require specialized cold insulation. The Dienes Cryogenic Insulation Series and elastomeric systems are engineered to withstand temperatures down to -196°C. Self-adhering foam wraps seal multi-layer cryogenic piping, mitigating thermal contraction stress and preventing cracking.
Modern building standards demand effective noise control in mechanical rooms, elevators, and air handler enclosures. Combining open-cell sound-absorbing panels with self-adhering acoustic foam tape isolates structural vibrations and dampens airborne sound. This treatment reduces cross-talk and mechanical hum in hospitals, hotels, and schools.
More than 40 years of engineering experience in global energy-saving insulation systems.
Founded in 1979 under the Jinwei Group (later Kingway Group), Kingflex has become a prominent manufacturer of thermal insulation materials north of the Yangtze River. The company integrates research and development, production, and international sales to supply high-efficiency solutions to the global construction and chemical engineering markets.
Our team comprises 8 professional R&D engineers, 6 international trade specialists, and 230 production workers. Our operations align with global energy conservation frameworks. The Ministry of Energy, Ministry of Electric Power, and Ministry of Chemical Industry in China recognize our production quality, selecting Kingflex as a designated manufacturing enterprise.




Comprehensive breakdown of sheet roll and pipe formulations for project implementation.
Standard Dimension Profiles:
Primary Advantages:
Foams evenly and fully with a closed-cell rate over 98% for stable thermal insulation. The closed-cell structure minimizes moisture absorption, ensuring long-term thermal conductivity values. Compression resilience exceeds 80% under standard load, and the self-extinguishing compound provides fire-retardant performance.
Applications: Central air conditioning ductwork, industrial process vessels, hotels, hospitals, cold-chain cargo holds, and railway transit HVAC systems.
Standard Dimension Profiles:
Primary Advantages:
Uniform foaming yields consistent density and cell structures. Automated pipe spraying systems ensure even protective coating, and compression recovery values remain above 80%. This prevents pipe freezing, condensation dripping, and thermal bridging.
Applications: Chilled/hot water loops in commercial HVAC, industrial steam lines, process chemical transport pipelines, refrigeration plants, and solar collector piping.
Fully compliant with international testing standards to ensure reliable performance in regulated markets.

Meets fire safety requirements for structural materials, including UK building codes and international UL standard vertical burn profiles.

Verified values for thermal conductivity and moisture vapor diffusion resistance, ensuring consistent engineering data.

Chemical tracing ensures products are free of restricted volatile compounds, making them suitable for green building applications.
Get professional insights from our engineering team regarding application, technical standards, and order processing.
A1: It is primarily used for insulating HVAC ducts, refrigeration and air conditioning pipework, building envelopes, industrial chemical plumbing, and acoustic containment systems in mechanical areas.
A2: Yes, our elastomeric compounds contain fire-retardant additives. They achieve self-extinguishing status under UL94, Class 1/Class 0 flame-spread parameters under BS 476, ensuring compliance with international construction codes.
A3: Elastomeric rubber foam is flexible, features a closed-cell moisture barrier, and is well-suited for low-temperature and HVAC condensation control. Rock wool is a fibrous material with high temperature resistance, making it suitable for industrial high-heat steam pipes.
A4: Yes, we provide OEM support. We can customize density profiles, core thicknesses, custom release liners, self-adhering backings, and color coatings to meet specific project specifications.
A5: Our products are certified under BS 476, CE, REACH, RoHS, UL94, and ASTM. This compliance facilitates clean customs clearances and meets structural requirements in diverse jurisdictions.
A6: Yes, each production lot is traceable. From batch chemistry to curing line logs, we maintain quality records to ensure accountability for all international shipments.
A7: We produce sheet rolls in thicknesses ranging from 6mm to 50mm, allowing engineers to design insulation systems that meet targeted thermal transmittance values.
A8: Under standard operational conditions (-40°C to +105°C) and with correct installation, the system provides a service life of approximately 10 to 15 years.
A9: Self-adhering backing provides continuous contact along the substrate. This eliminates gap-related air leaks, prevents thermal bridging, reduces installation labor, and ensures a clean vapor seal.
A10: Closed-cell structures prevent moisture absorption. Wet insulation loses its thermal resistance, leading to energy waste. Kingflex's closed-cell design maintains low thermal conductivity over time, reducing HVAC energy loads.
Explore our full range of thermal sheets, cryogenic barriers, and rock wool options.