Rubber Foam Tube/Sheet Production Line
I. Product Description
The rubber foam tube/sheet production line is a complete line specifically for producing rubber foam products (e.g., foam tubes, foam sheets, foam strips). Through advanced processes like extrusion, foaming, vulcanization, cooling, traction, and cutting, it produces lightweight rubber foam products with closed-cell or open-cell structures.
Purpose: For producing rubber foam tubes and sheets, featuring lightweight, sound insulation, heat insulation, cushioning, anti-slip properties, widely used across various industries. Product Features:
Lightweight, soft, good elasticity
Excellent sound insulation, heat insulation, cushioning, anti-slip performance
Aging resistant, oil resistant, temperature resistant, corrosion resistant (depending on formula)
Customizable color, density, hardness, thickness, shape
Typical products include: Rubber foam insulation tubes, anti-slip strips, sealing strips, sound insulation sheets, industrial cushioning pads, sports protective pads, etc.
II. Equipment Advantages (Core Selling Points)
Versatile machine: Can produce foam tubes, foam sheets, foam profiles; uniform foaming, controllable density (typically 0.3 ~ 0.8 g/cm³); modular design, supports different vulcanization methods (hot air/microwave/salt bath); equipped with precision extrusion and cooling systems ensuring dimensional stability.
Turnkey service provided: Formula + Equipment + Technical training
Customizable: Output, automation level, LOGO, voltage, etc.
Energy-saving and environmentally friendly, 0 waste process (recyclable and reusable)
III. Technical Parameter Table
Below are the main technical parameters for a typical rubber foam tube/sheet production line
| Item | Parameter / Description | Unit | Typical Value / Range |
| Extruder Type | Single/Twin Screw | - | φ50 / φ65 / φ90 |
| Production Capacity | Line Speed | m/min | 3 ~ 15 |
| Foaming Method | - | - | Chemical Foaming / Physical Foaming |
| Vulcanization Method | - | - | Hot Air / Microwave / Salt Bath |
| Product Thickness | Foam Sheet | mm | 2 ~ 20 |
| Product Diameter / Width | Foam Tube | mm | 10 ~ 150 |
| Traction System | - | - | Variable Frequency Speed Control, Track/Roller |
| Cutting Method | - | - | Rotary Knife / Fixed Length / Roller Knife |
| Control Method | - | - | Manual / Semi-automatic / PLC Automatic |
| Total Power | Complete Line | kW | 15 ~ 80 |
IV. Formula Table (Common Rubber Foam Systems)
Below is a reference for common rubber types and foaming systems used in rubber foam tubes/sheets
| Rubber Type | Common Foaming Agents | Function & Application |
| EPDM | AC (Azodicarbonamide), OBSH, Sodium Bicarbonate | Weather resistant, heat resistant, used in construction, automotive foam seals, insulation strips |
| NBR | AC, Sodium Bicarbonate | Oil resistant, wear resistant, used in industrial protection, oil seal foam parts |
| NR (Natural Rubber) | AC, Foaming Additives | High elasticity, used for anti-slip mats, cushioning strips, toys |
| Silicone Rubber | High-temperature Foaming Agents | High temperature resistant, used for medical, electronic foam pads |
V. Equipment List (Main Components)
| 1 | Extruder (Single/Twin Screw, with Die Head Mold) |
| 2 | Foaming Agent Mixing System (Optional) |
| 3 | Vulcanization Equipment (Hot Air Vulcanization Oven / Microwave Vulcanizer / Salt Bath Tank) |
| 4 | Cooling System (Water Cooling Tank / Air Cooling Channel) |
| 5 | Traction Machine (Track Type / Roller Type, Variable Frequency Speed Control) |
| 6 | Cutting Machine (Rotary Knife / Fixed Length Cutting / Roller Knife) |
| 7 | Winding Machine or Stacking Rack |
| 8 | Control System (PLC / Frequency Control / Touch Screen) |
| 9 | Mold (Customized according to product cross-section) |
VI. Process Flow Chart (Brief Description)
Typical process flow for rubber foam tube/sheet is as follows:
Batching & Mixing: Rubber raw materials mixed with foaming agents and additives according to formula
Extrusion Molding: Mixed rubber compound extruded into tube or sheet shape via extruder
Foaming & Vulcanization: Heated in vulcanization equipment to decompose foaming agent, rubber expands and sets
Cooling: Rapidly cooled and shaped by water or air cooling
Traction: Controls speed and tension to ensure dimensions
Cutting / Winding: Cut to set length or wound into rolls
VII. Application Fields
Construction: Door/window foam sealing strips, sound insulation sheets, waterproof foam strips
Automotive: Automotive foam sealing strips, shock absorption pads, interior foam parts
Industrial: Pipeline connection foam seals, equipment protection, shock absorption and cushioning
Home Appliances: Refrigerators, air conditioners, washing machines use foam shock absorption, sound insulation parts
Sports: Anti-slip mats, sports protection, floor mats, yoga mat underlay
Others: Packaging cushioning, shoe materials, floats, toy filling, etc.
VIII. About Us
Headquarters: Shandong, China, established in 2014
Market: Domestic 35%, North America 9%, South Asia/South America/Eastern Europe/Middle East each 7%~5%
Scale: 3 branch factories, 2 major industrial parks, 200+ employees, 10+ years professional experience
Service: Quality first, turnkey projects, full-process technical support
