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Home < Product Center < EPDM adhesive strips
EPDM adhesive strips
Weather resistance
Temperature resistance
Water resistance
As the "King of Weather Resistance," EPDM rubber strips are renowned for their superior resistance to ozone, ultraviolet radiation, and heat oxidation. They maintain excellent elasticity and compression recovery over a wide temperature range of -40℃ to 120℃. Widely used in fields requiring extremely high long-term outdoor durability, such as automotive door and window seals and building curtain wall seals, they are the preferred material for withstanding wind and sun exposure, with a service life of up to decades.
Key Advantages:

Excellent Weather Resistance: Minimal changes in physical properties even under long-term outdoor exposure (sun, rain, ozone), it is not prone to cracking, hardening, or loss of elasticity, and its service life can reach decades.

Wide Temperature Range: Generally, it can operate stably in environments ranging from -40℃ to 120℃ (short-term exposure up to 150℃).

Good Water and Chemical Resistance: Excellent resistance to water, hot water, water vapor, weak acids and alkalis, detergents, etc.

Superior Elasticity and Compression Set Performance: Good resilience and durable sealing.

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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 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.
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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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