Kingflex
Singapore’s microclimate features consistent ambient temperatures exceeding 30°C and relative humidity (RH) routinely crossing 80% to 90%. Under these conditions, the dew point is exceptionally close to the dry-bulb temperature. This presents a critical challenge for HVAC, chilled water lines, and air conditioning mechanical systems: immediate surface condensation if the thermal insulation material fails to perform.
Uncontrolled condensation leads to water damage, structural deterioration, decreased air conditioning efficiency, and mold growth, jeopardizing indoor air quality (IAQ). Standard insulation materials often degrade under these conditions because of moisture absorption. For optimal thermal control, closed-cell elastomeric rubber foam insulation is required. Its high resistance to water vapor transmission ensures long-term, stable thermal conductivity.
Our commitment to sustainable engineering drives our technical roadmap towards high-efficiency, zero-VOC, and carbon-neutral insulation systems.
Maximizing the closed-cell ratio to >98% while maintaining a low density (40-55 kg/m³) to achieve a thermal conductivity of $\le 0.034$ W/(m·K) at $0^\circ\text{C}$.
Developing specialized NBR formulations that eliminate halogens (chlorine, bromine) to reduce toxicity during fire events, aligned with global green initiatives.
Embedding smart sensing interfaces inside the insulation barrier for real-time monitoring of pipe surface integrity and moisture intrusion detection.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for high-performance thermal insulation products. Our R&D and manufacturing facility is located in Dacheng, China—a hub for green building materials. As an energy-saving and environmentally friendly enterprise, we integrate research, development, production, and sales.
Kingflex focuses on energy efficiency and consumption reduction. We deliver comprehensive insulation solutions, including engineering consultation, product manufacturing, installation guidance, and dedicated post-sale support.
Established by the Jinwei Group, which was founded in 1979 as a pioneer in thermal insulation manufacturing.
8 professional engineers, 6 international sales representatives, and over 230 technicians.
Kingflex operates 5 large-scale, automated production lines, yielding an annual capacity of over 600,000 cubic meters. We are designated as a qualified production enterprise by key energy and chemical authorities. Our structural testing labs evaluate dynamic elastic performance, high-pressure steam resistance, and thermal drift over time.
Over the past 16 years, Kingflex thermal insulation products have been exported to more than 66 countries, demonstrating our capacity to support large-scale infrastructure projects worldwide.
HVAC design in Singapore must comply with rigorous energy and safety codes, notably Singapore Standard SS 553 (Code of practice for air-conditioning and mechanical ventilation in buildings). Additionally, the Building and Construction Authority (BCA) Green Mark Certification sets performance baselines for HVAC systems.
Kingflex elastomeric foam insulation complies with these criteria:
Our elastomeric NBR/PVC insulation is manufactured in sheet rolls and pre-formed tubes to meet various industrial criteria. Detailed specifications for our standard ranges include:
| Property | Standard Tube Dimensions | Standard Sheet Roll Dimensions |
|---|---|---|
| Material | Nitrile Butadiene Rubber / Polyvinyl Chloride (NBR/PVC) blend | Nitrile Butadiene Rubber / Polyvinyl Chloride (NBR/PVC) blend |
| Thickness Range | 9 mm – 40 mm | 6 mm – 50 mm |
| Inner Diameter (ID) / Width | 6 mm – 114 mm | 1.0 m / 1.2 m / 1.5 m standard width |
| Density | 40 – 55 kg/m³ | 40 – 55 kg/m³ |
| Thermal Conductivity ($\lambda$) | $\le 0.034$ W/(m·K) at $0^\circ\text{C}$ | $\le 0.034$ W/(m·K) at $0^\circ\text{C}$ |
| Service Temperature | -40°C to +105°C | -40°C to +105°C |
| Water Vapor Permeability | $\mu \ge 10,000$ (High resistance) | $\mu \ge 10,000$ (High resistance) |
| Fire Rating Compliance | BS 476 Class 0, GB 8624 B1 Class | BS 476 Class 0, GB 8624 B1 Class |
From high-density commercial developments to sensitive cleanrooms, Kingflex provides targeted thermal insulation configurations.
Chilled water lines in data centers require continuous insulation to prevent condensation. Kingflex NBR/PVC foam is low-dusting and fiber-free, meeting ISO cleanroom classification requirements.
High-rise VRV/VRF air conditioning lines rely on Kingflex for fire protection. It satisfies BS 476 Class 0 criteria for flame spread and heat release in return air plenums.
Singapore's centralized district cooling networks require thick insulation to prevent energy loss over long pipeline distances. Kingflex pre-formed tubes support temperatures as low as -40°C.
Our materials undergo strict testing in our laboratory facilities to verify chemical stability, density uniformity, and thermal resistance before global distribution.
Polymer Elastomer Analysis
Thermal Drift Testing
Closed-Cell Microscopy Verification
Our commitment to quick delivery, customized thicknesses, and compliance packaging has established Kingflex as a trusted partner for international contracting groups.
Kingflex products are applied across HVAC, industrial pipeline cold insulation, steam line jackets, and thermal acoustic systems.
Explore our range of thermal and cold insulation systems, designed for building envelopes and industrial pipelines.
Closed-cell elastomeric thermal insulation is synthesized from a blend of Nitrile Butadiene Rubber (NBR) and Polyvinyl Chloride (PVC), cured using specialized foaming agents. The resulting structure consists of millions of microscopic bubbles, which act as dead-air spaces to restrict heat transfer by convection.
The main physical performance metrics include:
Kingflex insulation materials are manufactured to precise dimensional tolerances to facilitate tight installation and minimize joint gaps where thermal bridging or condensation could occur.
Ideal for large-diameter ducts, vessels, and flat surfaces.
Pre-formed tubular profiles designed to fit standard copper and steel pipes.
Technical advice on elastomeric rubber foam insulation applications in tropical conditions.
