Kingflex
Explore our leading closed-cell elastomeric rubber foam sheets, rolls, and pipes fabricated at extreme precision tolerances.
Why exact wall configuration dictates HVAC efficiency, condensation control, and industrial longevity.
Calculated thickness minimizes structural thermal bridging. Under the ASTM C680 standard, determining the correct outer wall density allows precise thermal equilibrium maintenance, avoiding HVAC heat losses.
In chilled water systems, a drop in thickness below the calculated limit triggers dew-point condensation. Preventing moisture ingress protects piping systems from sub-insulation oxidation (CUI).
Kingflex elastomeric formulations balance a stable 40–55 kg/m³ density distribution with uniform closed-cell architectures (>98% cell density) to deliver an optimized moisture barrier (μ ≥ 10,000).
In complex industrial projects, choosing the wall thickness of elastomeric rubber foam insulation is not a guessing game. It requires adherence to international calculation methodologies, particularly ISO 12241 (Thermal insulation for building equipment and industrial installations — Calculation rules) and ASTM C680.
To avoid surface condensation on cold pipelines, the surface temperature of the outer insulation jacket ($T_s$) must be designed to remain strictly above the ambient dew point temperature ($T_{dp}$). The mathematical logic utilizes heat balance equations under steady-state conditions:
Where:
As a leading China pipe insulation thickness factory, Kingflex provides detailed calculators for domestic and overseas engineering teams. We ensure our materials conform to customized requirements from thin 6mm control lines to high-thickness multi-layer configurations (up to 50mm or composite configurations) to guarantee zero condensation across diverse environmental parameters.
Kingflex Insulation Co., Ltd. represents a professional manufacturing and trading combo for thermal insulation products. Our core research, development, and state-of-the-art production departments are situated within Dacheng, China—historically recognized as the capital of green-building materials.
In operating our high-volume production structures, Kingflex implements energy efficiency and emission control at every stage. We provide customized insulation consultations, rigorous laboratory testing, installation validation, and reliable after-sales support to lead the next generation of building material solutions.
Originally established under the Jinwei Group, which boasts over 40 years of continuous growth, our roots trace back to 1979. We built the first commercial production lines for thermal insulation materials north of the Yangtze River. This historical expertise feeds into every cubic meter of elastomeric foam we extract today.
Our employees bring unparalleled experience to our modern manufacturing site. Our professional team coordinates under a single mission: to deliver premium high-performance insulation insulation directly to project job sites.
State-of-the-art testing equipment verifies the physical parameters of each production batch.
Analyzing performance stability at temperature profiles from -40℃ to 105℃.
Monitoring uniform cell morphology to protect structural stability.
Rigorous fire behavior evaluation matching BS 476 and UL94 criteria.
At present, Kingflex is a recognized, designated supplier selected by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry in China. This reputation drives our engineers to enforce strict manufacturing controls, keeping raw material formulations stable and optimizing production lines to maintain thickness consistency.
Our materials find applications in HVAC, heavy chemical process piping, storage tanks, high-rise buildings, rail transit systems, and marine engineering across 66 foreign countries. Our professional logistics and compliance teams verify international shipping protocols, providing stress-free customs clearance and timely job-site arrivals.
Verify physical characteristics, geometric ranges, and performance values for sheet rolls and pipe sections.
| Material | Premium NBR/PVC blend |
| Thickness Range | 6mm to 50mm |
| Density | 40 - 55 kg/m³ |
| Service Temp. | -40℃ to 105℃ |
Used in central air conditioning systems (duct and pipe wraps), architectural acoustics, wall insulation, industrial machinery rooms, process steam pipes, and transit rail carriages.
| Material | Premium NBR/PVC blend |
| Thickness Range | 9mm to 40mm |
| Internal Diameter (ID) | 6mm to 114mm |
| Density | 40 - 55 kg/m³ |
Mainly configured on central air conditioning chilled/hot lines, building HVAC pipes, domestic water plumbing, solar heating networks, process piping in petrochemical plants, and low-temperature cold chain pipelines.
Every delivery batch matches global performance codes, verified by reputable testing institutions.
Tested to British fire safety standards Part 6 (Fire Propagation) and Part 7 (Surface Spread of Flame).
Fully conforms to ASTM C534 and ASTM C680 parameters governing elastomeric physical test profiles.
Free from heavy metals, formaldehyde, and ozone-depleting halogens, conforming with REACH & RoHS.
Check out our on-site insulation applications for construction, cryogenic processing, and HVAC projects globally.
Kingflex solutions are deployed globally on pipelines that require strict temperature management. From preventing condensation in high-humidity regions to insulating lines in ultra-low temperature facilities, our customized insulation products help keep systems running efficiently.
We focus on providing prompt technical support to our overseas procurement managers. Through verified chat channels and direct technical consulting, our engineers clarify calculations, explain material thicknesses, and arrange custom production plans.
Take a virtual look inside our factory floor, showing automated processing lines and warehouse facilities in Dacheng.
Find answers to common questions about elastomeric rubber foam insulation products, thermal performance, and customizations.
Explore our complete product catalog, featuring thermal tubes, acoustic insulation, and high-performance rock wool options.