Kingflex
High-integrity vapor sealing and thermal coupling accessories engineered to prevent thermal bridging in commercial and industrial HVAC systems.
Reinforced aluminum barrier foil composite tape designed for high-tensile vapor barrier sealing on HVAC systems and reflective foil faces.
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Fast-curing, heavy-bond adhesive specifically formulated to bond elastomeric foams in challenging maritime and humid Dutch environments.
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Self-adhesive elastomeric foam tape ideal for quick wrap insulation and sealing complex geometries in utility installations.
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Premium closed-cell sheet rolls providing high energy efficiency, condensation prevention, and noise damping across Dutch large-scale structures.
View DetailsIn align with the strict Dutch Climate Agreement (Klimaatakkoord) targeting a greenhouse gas emission reduction of at least 55% by 2030, the demand for highly efficient thermal insulation systems has risen. Industrial processes, maritime engineering, and utility building sectors in the Netherlands are migrating away from porous, energy-leaking insulation setups towards high-performance elastomeric closed-cell rubber systems.
Building energy policies such as the BENG (Bijna Energieneutrale Gebouwen) standards necessitate building accessories that prevent thermal bridging and micro-condensation. In high-humidity coastal zones like Rotterdam, Amsterdam, and Groningen, traditional mineral fiber solutions often face risks of insulation moisture infiltration, leading to Corrosion Under Insulation (CUI) and loss of thermal resistance. Kingflex closed-cell technology addresses this challenge by integrating vapor barriers directly within the cell matrices, securing lifetime performance.
As a global B2B insulation manufacturer, Kingflex bridges the gap between high production capacity and specialized local requirements, offering engineered solutions that comply with European fire classifications, chemical registration norms (REACH), and environmental declarations.
Analytical breakdown detailing the physical properties required to withstand typical coastal atmospheres, industrial dampness, and thermal gradients.
| Performance Characteristic | Kingflex Elastomeric NBR/PVC Rubber | Mineral / Rock Wool | Polyethylene Foam (PE) |
|---|---|---|---|
| Thermal Conductivity (λ at 0°C) | ≤ 0.034 W/(m·K) | ≤ 0.040 W/(m·K) | ≤ 0.038 W/(m·K) |
| Vapor Permeability Resistance (μ) | ≥ 10,000 (Closed-Cell Structure) | 1 (Open Structure - Needs external jacket) | ≥ 3,500 |
| Fire Safety Classification (EN 13501-1) | Class B, s3, d0 (Self-Extinguishing) | Class A1 / A2 (Non-combustible) | Class E / F |
| Service Temperature Limit | -40°C to +105°C (Cryogenic version down to -200°C) | Up to +650°C | -40°C to +90°C |
| Moisture Absorption by Volume | < 0.2% | > 95% (High capillary action) | < 1.0% |
*Note: The high water vapor transmission resistance (μ-factor) of Kingflex elastomeric insulation limits moisture ingress, keeping thermal conductivity stable throughout the system's operational lifecycle.
Established under the parent organization Jinwei Group—which holds over 40 years of manufacturing history since its foundation in 1979—Kingflex has evolved into a global developer and high-volume manufacturer of professional thermal insulation products. Kingflex stands as a key partner for energy-saving, green-building projects, and industrial installations worldwide.
From our manufacturing hub located in Dacheng, China—a region recognized as a capital for energy-saving materials—our facility integrates advanced material R&D with full-scale automated production. Kingflex operates on a customer-focused model: from early consultation and thermal calculation to bespoke project design and shipping logistics, supporting projects globally.
Standard specifications and physical properties of Kingflex elastomeric insulation sheets and piping systems designed for HVAC, industrial processing, and HVAC piping networks.
Designed for demanding technical insulation projects across the Netherlands' major industrial sectors.
Providing condensation control and low-particle thermal insulation for high-tech pharmaceutical and semiconductor cleanrooms in the Eindhoven Brainport district.
Corrosion-resistant marine grade insulation for cryogenic LNG terminals and shipping vessels operating out of the Port of Rotterdam and Zeeland.
Improving thermal efficiency and reducing transmission energy loss in urban district heating grids and commercial developments in Utrecht and Amsterdam.
To support high regulatory expectations in European B2B supply chains, Kingflex ensures that every batch of NBR/PVC elastomeric thermal insulation meets European building standards. Our products carry international approvals, confirming quality consistency from chemical formulation to curing and final cutting.
Our materials conform to CE Marking criteria, BS 476 fire safety ratings, REACH, RoHS, UL94, and ASTM standards. We operate a full material traceability system, allowing distributors and compliance engineers to trace materials back to their production batches. This compliance framework supports the documentation required for Dutch construction project approvals.
The engineering team at Kingflex is focused on developing products that meet strict environmental guidelines. By optimizing microcellular foaming structures, we reduce raw material requirements while maintaining high thermal performance.
Our research department works closely with international testing labs to refine formulations. Our R&D team consists of 8 professional material engineers, 6 international customer support representatives, and 230 production workers. Our technical development path focuses on:
Highlights of industrial insulation projects showcasing the durability and performance of our rubber foam systems.
Supplied closed-cell cryogenic elastomeric systems to prevent ice build-up and manage heat gain on process piping in LNG logistics facilities.
Designed and supplied low-emissions dust-free NBR/PVC sheets and pre-slit tubes for ducting and condensation protection in data center cooling loops.
Complete range of elastomeric thermal tubes, acoustic insulation panels, and cryogenic materials ready for shipping to European logistics ports.
Engineered for sound attenuation and vibration isolation in pump rooms, mechanical centers, and engine enclosures.
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High-density shock absorption pads designed to decouple structure-borne noise in sports facilities and multi-story spaces.
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Specialty low-temperature formulations providing flexibility down to -200°C for cryogenic and industrial cooling loops.
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High-density insulation sheets providing structural stability and thermal protection for larger pipes and flat duct surfaces.
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Dual-benefit elastomeric sleeve pipes offering thermal insulation and acoustic absorption for wastewater drainage lines.
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Color-coded elastomeric sheet systems designed to easily identify line temperatures in heating and cooling pipelines.
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Premium pre-slit closed-cell tubing with high moisture resistance, ideal for VRV and VRF refrigerant systems.
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Flexible elastomeric piping insulation sleeves developed for commercial cooling and HVAC networks.
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Custom InquiryAnswers to technical, regulatory, and application questions about Kingflex thermal insulation products.
Looking for a volume quote or custom dimensions for an industrial or commercial project in the Netherlands? Contact our technical team for physical samples, technical drawings, and custom pricing.
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