Kingflex
Explore our industrial-grade insulation line including elastomeric rubbers, fiberglass blankets, and heavy-density sound dampening systems.
In modern industrial design, controlling environmental noise pollution is paramount. Sound waves traveling through buildings and mechanical assemblies present a multi-frequency challenge. While closed-cell structures like elastomeric rubber foam excel in preventing moisture ingress and managing condensation on HVAC systems, high-density fibrous materials like Rockwool (mineral wool) act as the ultimate acoustic sponge.
Rockwool features an open, intertwined fibrous structure derived from molten basalt rock. When sound waves impact the fiber surface, they penetrate deep into the porous network. The physical friction between the moving air molecules and the microscopic rock fibers converts kinetic energy into negligible thermal energy. This unique behavior results in an extremely high Noise Reduction Coefficient (NRC), often exceeding 0.90 to 1.00 for target frequency spectrums.
How international standards, green building codes, and safety compliance direct large-scale procurement strategies.
Global architectural standards demand high fire safety compliance. Rockwool exhibits non-combustible classification (Euroclass A1), retaining structural strength at temperatures exceeding 1000°C. This makes it crucial for escape routes and high-rise developments.
EPC contractors look beyond initial procurement costs. Durable sound absorption materials must resist structural sagging, water absorption, and fungal growth to minimize maintenance cycles over a building's 50+ year operational lifespan.
Under systems like LEED and BREEAM, insulation materials must display low VOC emission rates and feature high circular economy elements. Modern mineral wool products rely on highly recyclable materials to optimize carbon footprint limits.
Leveraging automated production networks and strategic locations to provide stable material outputs for high-volume international demands.
Our operations are based in Dacheng, China—a premier manufacturing capital for energy-saving, green-building materials. By deploying advanced automated assembly systems, we maintain stable production capacities while minimizing environmental impact.
This automated integration enables continuous fiber extrusion, precision curing, and uniform density distribution across both Rockwool boards and elastomeric foam rolls. This configuration optimizes materials, keeps tolerances low, and mitigates risks related to raw material price fluctuations.
Kingflex Insulation Co., Ltd. operates as a leading manufacturing and trading combo, focusing on high-performance thermal and acoustic insulation products. Our lineage traces back to the Jinwei Group, established in 1979, which was the first thermal insulation manufacturer north of the Yangtze River. Over the last 40 years, we have evolved to provide energy-saving products to global building industries.
Currently, our facility employs eight dedicated research and development engineers, six international sales specialists, and over 230 skilled production professionals. This team helps bridge the gap between initial thermal and acoustic consulting, customized product formulation, and on-site integration support.
A data-backed comparison between open-cell rockwool fibers and elastomeric rubber foam sheets.
| Performance Property | Rockwool Insulation Board | Elastomeric NBR/PVC Foam |
|---|---|---|
| Primary Application | High-temp thermal protection, acoustic partition cavity fill, wall assemblies. | HVAC ductwork, chilled water pipes, anti-condensation systems. |
| Internal Structure | Fibrous, porous open-mesh mineral structure. | Closed-cell micro-cellular structure with uniform boundaries. |
| Max Service Temp Limit | Up to 1000°C (Non-combustible A1) | -40°C to 105°C (Flame-retardant B1) |
| Acoustic Performance | High absorption properties (NRC 0.85 - 1.05 depending on thickness/density). | Primarily dampens vibration and structural transmission. |
| Moisture Absorption | Highly permeable; needs protective cladding or vapor barriers. | High moisture resistance factor (µ ≥ 7000); requires no extra vapor barrier. |
How we ensure all insulation rolls, tubes, and boards comply with international ASTM, CE, and RoHS standards.
Our manufacturing and processing departments are fully compliant with international building codes.
From commercial drywall systems to deep industrial cryogenics, see our materials deployed on site.
A look at the feedback, order approvals, and specifications verified by our global procurement partners.
Our flagship NBR/PVC rubber foam line is engineered to address thermal losses and environmental dampening challenges. Through pressure-foaming techniques, we achieve an even, closed-cell rate exceeding 98%. This configuration ensures stability under severe conditions.
The micro-cellular network maintains a low thermal conductivity rate while preventing moisture migration, protecting industrial systems from corrosion under insulation (CUI). The material also features a compression resilience rating above 80%, recovering its shape even under heavy mechanical load.
| Raw Material Base | NBR/PVC Elastomeric Polymer Blend |
| Thickness Availability | 6mm to 50mm |
| Density Limits | 40 - 55 kg/m³ |
| Service Temperature Limit | -40°C to 105°C |
Designed for immediate slide-on installation during piping design or retrofitting via slit-and-seal procedures. These closed-cell elastomeric tubes wrap hot or chilled pipelines, maintaining process stability and preventing condensation.
With an inner diameter range from 6mm to 114mm and variable wall thicknesses, these pipes fit standard industrial piping sizes. They protect against freezing in low-temperature HVAC lines while dampening structure-borne vibration and mechanical noise.
| Available Thicknesses | 9mm, 13mm, 19mm, 25mm, 32mm, 40mm |
| Inner Diameters (ID) | 6mm up to 114mm |
| Key Features | Pre-molded, highly flexible, low dust generation, fire retardant. |
Get answers to common queries regarding acoustic attenuation, compliance, and custom ordering.
Our warehouses and shipping docks process high-volume bulk orders for distribution worldwide.
A collection of our production steps, raw material processing, and final product packaging.
Review our specialized thermal pipes, acoustic sheets, and cryo-preservation systems.
Browse our categorized systems to download mechanical schematics and thermal data sheets.
elastomeric NBR/PVC rubber foam insulation sheet roll
Rubber elastomeric foam insulation tube
Elastic Rubber Foam Insulation Pipe
Corrosion Resistant Rubber Foam Insulation Tube
elastomeric NBR/PVC rubber foam thermal insulation pipe tubing
Black Rubber Foam Insulation Pipe
Foam Rubber Foam Insulation Tube
HVAC Rubber Foam Insulation Tube
Elastomeric rubber foam insulation system for ultra low temperature
Kingflex flexible insulation material for cryogenic system
Cryogenic rubber foam for low temperature and high pressure
Elastomeric cryogenic insulation for low temperature pipeline
Rock Wool Insulation Board
rock wool thermal insulation blanket
