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Home < Product Center < Colored and black compound rubber
Colored and black compound rubber
Customization
stability
Adaptability
As the "cornerstone of rubber product performance," compounded rubber is a key intermediate material formed by homogenizing raw rubber with various compounding agents through precise formulation and efficient mixing processes. It possesses highly customizable physicochemical properties. It provides a ready-to-use semi-finished product for subsequent molding processes such as calendering, extrusion, and compression molding, and is widely used in almost all rubber product fields, including automotive, construction, electronics, and medical industries. It is the core foundation that determines the quality and reliability of the final product.
Key Advantages:

Superior Customization: Customized formulas are precisely designed to meet specific customer needs.

Excellent Stability: Automated mixing processes ensure batch consistency and stability.

Outstanding Adaptability: Optimized processing parameters improve efficiency and yield.

Significant Benefits: Saves on equipment and management costs, allowing you to focus on finished product manufacturing.

Get a Quote

Download Manual

Applications

Automotive: Door/window seals, trunk seals, engine hood seals.

Construction: Curtain wall joints, window seals, roofing membranes.

Rail Transit: Train door and window seals.

Appliances: Refrigerator and washing machine door seals.

Standard Product Property List
No.
Product Name / Test Item
5040
6533
7021
7527
8023
9040
1
Hardness IRHD
47
66
72
76
81
89
2
Tensile Strength (Min) MPa
13
10.8
7.3
7.3
8.2
13
3
Elongation at Break (Min) %
500
380
351
355
260
302
4
Hot Air Aging
70°C x 7d
Hardness Change (Max) IRHD
+4
+4
+3
+3
+4
0
Tensile Strength Change Rate (Max) %
-10
-18
-11
-10
-23
-16
Elongation Change Rate (Max) %
-21
-33
-27
-30
-35
-23
5
Compression Set Type B (Max)
(70°C, 24h) %
17
23
18
19
36
18
Production Flow
01
Auxiliary Equipment: Auto-weighing
02
Internal Mixer: Auto-mixing and Discharge
03
Open Mill: Cooling and Secondary Mixing
04
Rubber Strainer: Filtering Micro-impurities
05
Open Mill: Sheet Production
06
Batch-off Line
07
Testing
08
Warehousing
09
Packaging & Shipping
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As a cost-effective option, PVC strips are a low-cost thermoplastic material that can be customized with different colors and hardness levels. However, they have poor weather resistance, tend to harden and become brittle with prolonged outdoor use, and have a narrow temperature range (-10℃ to 70℃) and limited elasticity recovery. They are mainly used in indoor door and window sealing, furniture anti-collision strips, and other applications where lifespan and performance requirements are not high.
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insulation
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As a "benchmark for temperature resistance and safety," silicone strips boast an extremely wide operating temperature range (-60℃ to over 200℃) and are non-toxic, odorless, and physiologically inert, meeting food-grade and medical-grade standards. While maintaining flexibility in extreme high and low temperature environments, their mechanical strength is relatively low and their cost is high, making them an ideal choice for sealing high-temperature appliances (such as oven door seals), medical devices, and infant products.
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