Kingflex
Engineered to meet the stringent Swedish Class A Sound Standard (SS 25267) and Boverket Building Regulations (BBR)
How Modern Nordic Infrastructure Integrates Advanced Acoustic and Thermal Engineering
Sweden represents one of the world's most progressive environments for building performance and sound pollution regulations. Governed by the national board Boverket (BBR), local construction mandates necessitate strict limits on structural acoustics, noise transmissions, and mechanical vibration. In commercial spaces, high-density residential developments, and institutional facilities, developers must target acoustic ratings conforming to standard SS 25267 to ensure quiet indoor climates.
Moreover, the integration of extensive HVAC, district heating, and cooling pipe systems across cities like Stockholm, Gothenburg, and Malmö places dual responsibilities on insulation systems: they must combine excellent thermal barrier properties to prevent condensation in freezing temperatures with superior sound absorption to reduce mechanical equipment resonance. Our custom elastomeric rubber foam insulation sheets and tubes provide the exact structural properties required to comply with these Nordic demands.
Global architectural and engineering firms face supply chain constraints that threaten project deadlines. By partnering with Kingflex, Swedish builders leverage the massive output of China's automated manufacturing sector.
Kingflex Insulation Co., Ltd. features 5 large automatic assembly lines, generating an annual capacity exceeding 600,000 cubic meters. This is not just raw volume—our Factory 4.0 processes ensure continuous quality through automated raw material dispensing, laser-guided extrusion thickness control, and unified vulcanization profiles.
We are a designated production enterprise authorized by China's Ministry of Energy, Ministry of Electric Power, and Ministry of Chemical Industry, representing peak state-regulated industrial reliability.
Established under the Jinwei Group, Kingflex is anchored by an legacy dating back to 1979. As the first thermal insulation manufacturer established north of the Yangtze River, we pioneered the research, application, and distribution of modern elastomeric systems in the region.
This deep-rooted capability translates to a comprehensive service model. From technical consultations during design stages to providing localized installation guides for Swedish contractors, Kingflex works as a systems partner rather than a mere bulk supplier.
A rigorous commitment to compliance, validation, and advanced product performance
Kingflex employs 8 professional engineers in our dedicated R&D Department. Our continuous research focuses on optimizing density ratios, low-smoke formulation, and maximizing open-cell geometry to capture sound waves across critical HVAC motor frequencies (125Hz to 2000Hz).
We perform internal laboratory stress tests mimicking thermal shocks, ensuring that elastomeric sheets and tubes maintain stable thermal insulation and physical elasticity under prolonged sub-zero Swedish temperatures down to -40℃.
Compliance is paramount in public infrastructure projects. Kingflex insulation products hold complete certifications matching European safety and environmental standards. We maintain test credentials for:
Decisive acoustic and thermal solutions designed for localized industrial demands
Prevent condensation on Stockholm's chilled water pipe networks. The high moisture resistance index (μ ≥ 10,000) prevents under-insulation corrosion (CUI), guaranteeing 15+ years of service life without thermal efficiency decline.
Our eco-friendly formulation fits Svanen (The Swan) and Miljöbyggnad building targets. Excellent acoustic decoupling for indoor ventilation shafts, and partition wall sound dampening.
Serving shipbuilding industries in Gothenburg. The corrosion-resistant and flame-retardant properties of Kingflex NBR/PVC sheets withstand harsh marine environments and suppress vibration on engines and hulls.
Acoustic and thermal properties verified by international testing agencies
| Property | NBR/PVC Elastomeric Sheet Roll | Elastomeric Insulation Pipe | Test Standard References |
|---|---|---|---|
| Thickness Range | 6mm - 50mm | 9mm - 40mm (ID: 6mm - 114mm) | Factory Standard Specs |
| Density | 40 - 55 kg/m³ | 40 - 55 kg/m³ | ASTM D1622 / ISO 845 |
| Service Temperature | -40℃ to 105℃ | -40℃ to 105℃ | DIN EN 14706 / ASTM C411 |
| Thermal Conductivity | ≤ 0.034 W/(m·k) at 0℃ | ≤ 0.034 W/(m·k) at 0℃ | ASTM C518 / ISO 8301 |
| Moisture Resistance (μ) | ≥ 10,000 | ≥ 10,000 | EN 12086 / ASTM E96 |
| Fire Behavior | Flame retardant, self-extinguishing | Self-extinguishing off fire | BS 476 Class 0, UL94 V-0 |
Expert coordination from production floor to Swedish logistics points
Our employees is amazing in their own right, but together they are what makes Kingflex such a fun and rewarding place to work. Kingflex team is a tight-knit, talented group with a shared vision of giving consistently first class service for our clients.
Our core operational team includes 8 professional engineers in our R&D Department, 6 professional international sales managing European supply contracts, and over 230 skilled production technicians maintaining our advanced assembly lines.
Proof of high-standard delivery across residential, district heating, and cold chain structures
Used widely across Swedish residential acoustic retrofits and public library ventilation ducts. Designed with high absorption coefficients to deaden low-frequency vibrations from large central compressors.
Acoustic / Thermal Specs: 6mm-50mm Thickness, 40-55kg/m³ density range, withstanding -40℃ to 105℃ operating cycles.
Recommended for industrial chemical lines and district water pipelines. The closed-cell material prevents ambient moisture from interacting with iron-rich structural pipes, neutralizing cold bridges and freezing hazards.
Verified chat communications confirming global project delivery, traceability, and batch reliability
Clear, direct answers regarding the installation, application, and science of Kingflex Insulation systems
Original high-performance insulation systems with complete specifications
Internal snapshot of warehouse inventory ready for European export container shipping
Direct supply contracts, OEM sizing, and custom densities optimized for Sweden's HVAC, cold chain, and industrial pipeline networks. Contact Kingflex operations desk today.
