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High temperature resistant silicone sealing strip of chassis - EPDM EPDM EPDM function 1. The density of low density and high filling EPDM is a kind of low density rubber, its density is 0.87. In addition, it can be filled with many oil and fillers, so it can reduce the cost of rubber products, make up for the defects of high price of EPDM raw rubber, and for EPDM with high Mooney value, the physical and mechanical energy after high filling can reduce little fluctuation. 2. The aging resistance of EPDM includes weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor resistance, color stability, electrical function, oil filling and room temperature fluidity. Ethylene propylene rubber products can be used for a long time at 120 ℃, and can be used for a short time or intermittently at 150-200 ℃. Taking part in the appropriate antioxidant can improve its application temperature. EPDM crosslinked with peroxide can be used under severe conditions. Under the condition of 50 PPHM ozone concentration and 30% stretching, EPDM rubber could not crack for more than 150 hours.
Characteristics of high temperature resistant silicone sealing strip for case:
1) It adopts leading thermoplastic rubber or NBR and chlorosulfonated polyethylene for composite use; 2) ozone resistance, UV light resistance, good chemical solvent resistance, wide application temperature range (- 60 ℃ - 135 ℃); 3) extremely strong tear resistance, tear resistance, temperature range between - 10 ℃ - 150 ℃ after tens of thousands of flexion, it will not crack; 4) after compression, it will be fast Quickly restore the original appearance, even in the harsh environment can adhere to its original soft sewing; 5) environmental protection of rubber plastic compound rubber, non-toxic, environmental protection, pollution-free. Due to the lack of polarity and low unsaturation of the high temperature resistant silica gel sealing strip of the case, it has good resistance to various polar chemicals such as alcohol, acid, alkali, oxidant, refrigerant, detergent, animal and vegetable oil, ketone and grease, but its stability is poor in grease and aromatic solvents (such as gasoline, benzene, etc.) and mineral oil. In the long-term effect of concentrated acid, the function should also be reduced.
The function of high temperature resistant silicone sealing strip for case
The high temperature resistant silicone sealing strip of the case is mainly composed of EPDM rubber with good elasticity and compression deformation resistance, aging resistance, ozone, chemical action, wide use temperature range (- 40 ℃ ~ + 120 ℃), foaming and dense composite. It contains unique metal clamps and tongue shaped buckle, which is durable and easy to install. Wooden door sealing strip plays a key role in wooden doors, security doors, sliding doors, various aluminum doors and windows and other doors and windows. Obviously, it is shockproof. After it is installed on the door stop line, it will reduce (or even disappear) the collision sound when closing the door (window), play a protective role on the edge of the door leaf, and extend the life of the door, and reduce the noise. The second is to seal, shock absorption, isolation of indoor and outdoor air, which effectively plays a role in heat preservation and energy saving, and will prevent mosquitoes and other small insects from drilling into the room. Slotted sealing strip is a groove made on the door frame to install the sealing strip. The slotted sealing strip makes the sealing strip embedded in the groove not easy to fall off and easy to install.
Performance and application of high temperature resistant silicone sealing strip for case
The high temperature resistant silicone sealing strip of the case is made of sensitive and highly plastic PVC or EPDM decoration materials with good elasticity and compression deformation resistance, aging resistance, ozone, chemical action, wide application temperature range (- 40 ℃ ~ 120 ℃). The U-shaped sealing strip contains common metal clamps and tongue shaped buttons, which is solid and durable. High temperature resistant silicone sealing strip is used for car body window decoration, all kinds of luggage decoration, motorcycle oil tank and front baffle decoration, all kinds of home appliances decoration, all kinds of lighting decoration, furniture sealing strip, decoration strip, washing machine, refrigerator, air conditioner outlet and other electrical decoration.
Standard quality of high temperature resistant silicone sealing strip for case
The standard quality design and development of car sealing strips are various sealing strips mainly made of silicone rubber, neoprene, polyvinyl chloride, EPDM and thermoplastic elastomer. The sealing strip produced by the car sealing strip has a transparent and smooth appearance, soft and elastic, non-toxic and tasteless. It has good elasticity (shore 35-75 degree), high and low temperature resistance (- 80 ℃ - 280 ℃), and is not easy to aging, deformation and light acid and alkali resistance. High temperature resistant silicone sealing strip is widely used in automobile, train, wind power generation, energy conservation and environmental protection, metallurgy and forging, steel industry, aerospace technology, military equipment, textile printing and dyeing, kitchen, bathroom, drying equipment, baking equipment, coating machinery, pharmaceutical, chemical, medical, food, electronics, building, printing, ship, high-speed rail, solar energy, LED lamps, ice Box, hardware and electrical appliances and other industries. The car sealing strip is totally different from the ordinary rubber strip. It has excellent anti compression deformation performance, so the sealing contact surface can be made larger, which can effectively block the noise leaked in the movable window.

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