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  • Moisture Absorption Properties of Laminates Used in

    2021-2-18u2002·u2002The current study investigates moisture absorption properties in a new bismaleimide triazine (BT) based laminate, specifically formulated for chip packagingapplications. The laminate p ossess excellent thermal properties (Tg approaching 200oC), superior electrical performance, and low moisture absorption. Moisture absorption is

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  • Flexible and Advanced Circuit Substrate Materials - AI ...

    AI Technology has developed a solderable, organic copper-clad laminate flexible circuit substrate materials that can be used at temperatures as high as 300°C. The standard flexible circuit material uses 1 oz copper on this non-polyimide proprietary molecularly flexible material for a total 3-mil thickness as flexible circuit substrate.

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  • High Density Polyethylene Sheet, HDPE Sheets Canada

    The major advantages of polyethylenes are light weight, excellent chemical resistance, low moisture absorption, good impact strength, excellent low temperature properties, superb dielectric properties and low coefficient of friction. Unmodified polyethylenes can be produced from resins which are approved for food applications.

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  • Piedmont Plastics

    2021-10-14u2002·u2002HDPE (High-density polyethylene) is a thermoplastic derived from petroleum. It is a versatile product with low moisture absorption, excellent impact resistance, high tensile strength, and good chemical and corrosion resistance. HDPE's properties make it a preferred choice for a wide variety of indoor and outdoor applications such as bottles ...

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  • Moisture Absorption: Failure Mechanisms, Effects ...

    Moisture reduces the glass-transition temperature (Tg) so that excess thermal stresses can cause damage. Moisture also increases the dielectric constant (Dk), leading to a reduction in circuit switching speeds and an increase in propagation delay times. Moisture ingress can also facilitate ionic corrosion, leading to both open and short circuits.

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  • Guide to Moisture Sensitivity in PCB

    PCB moisture absorption is an important issue to recognize if you use printed circuit boards for products of any kind. To ensure lengthy board life, PCB handling precautions are necessary to master throughout all stages of assembly, handling, shipment, storage, installation, maintenance and relocation.

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  • Insulating Materials List - Professional Plastics

    2008-12-8u2002·u2002NORYL (PPO): Noryl EN265's overall physical properties are excellent: low moisture absorption and heat resistance of 265 degrees F at 264psi combine to make Noryl a truly high performance material at very cost effective rates. Parts are easily machined to fill a variety of needs. Used in appliances, liquid handling

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  • LDPE Plastic Uses & Properties

    LDPE (low density polyethylene) is a soft, flexible, lightweight plastic material. LDPE is noted for its low temperature flexibility, toughness, and corrosion resistance. It is not suited for applications where stiffness, high temperature resistance and structural strength are required. It …

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  • TECHNICAL BULLETIN

    2016-12-19u2002·u2002• Low friction loss (air velocity) ... Moisture absorption resistance of a duct liner is probably the single most important factor in determining its long-term performance. Because closed cell elastomeric duct liners have such a ... features and cost may be required to obtain the best long-term performance for the application.

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  • Flex PCB Delamination Issues During Soldering Reflow

    2017-10-25u2002·u2002The main cause is moisture absorption, which may occur in any of these constructions: Adhesive based structures. Outer cover (adhesively bonded polyimide covercoats, film, and liquid solder masks) of single and double sided adhesiveless laminates. External bonded stiffeners. Three Layer and up multilayer construction. Rigid flex.

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  • Insulating Materials List - Professional Plastics

    2008-12-8u2002·u2002NORYL (PPO): Noryl EN265's overall physical properties are excellent: low moisture absorption and heat resistance of 265 degrees F at 264psi combine to make Noryl a truly high performance material at very cost effective rates. Parts are easily machined to fill a variety of needs. Used in appliances, liquid handling

    Get Price
  • Moisture Absorption: Failure Mechanisms, Effects ...

    Moisture reduces the glass-transition temperature (Tg) so that excess thermal stresses can cause damage. Moisture also increases the dielectric constant (Dk), leading to a reduction in circuit switching speeds and an increase in propagation delay times. Moisture ingress can also facilitate ionic corrosion, leading to both open and short circuits.

    Get Price
  • EXECUTIVE SUMMARY Materials for 5G: Opportunities in ...

    2019-11-20u2002·u2002moisture levels. We take low moisture absorption as a metric of stability; water's high dielectric constant may cause major issues at high frequencies if substrates are not water-resistant. Cost and manufacturability: High-performance materials are often expensive and can present challenges in printed circuit board (PCB) production.

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  • Plastic Tubings: InterStatePlastics Search Results.

    Plastic Tubings: InterStatePlastics Search Results. Acetal copolymer tubes have low moisture absorption and high strength, stiffness, and stability. Acrylic sheet is 17 times stronger than glass, has excellent clarity, durability, & is lightweight. Laminated plastics manufactured by infusing textiles with thermosetting resins and solid lubricants.

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  • Drying Moisture Sensitive PCBs - Superdry Totech

    2021-8-10u2002·u2002Moisture absorption and drying are diffusion processes and follow the laws of molecular diffusion [2]. Theoretical observa-tions are, however, of little use in determining drying times. A simplified approach is therefore needed. Moisture must be reduced below 0.1% of the component dry weight, and the time needed to accomplish this is a critical

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  • UHMW Plastic

    UHMW is a tough, wear resistant, FDA compliant plastic with low friction. Uses include wear strips, chute liners, star wheels, fabricated parts. For UHMW material …

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  • DELRIN PLASTIC SHEET

    Low Moisture Absorption Acetal plastics are ideal when working in wet environments as they absorb minimal amounts of moisture and, with a high level of heat resistance, can be heated or cooled without affecting form or dimensionality. Delrin ® can be used in hot water applications up to 140 ° F without any hydrolysis effect.

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  • Why FR4 Material is Commonly Used in PCB Fabrication ...

    2021-7-27u2002·u2002Low moisture absorption. Moisture absorption is the ability of a PCB material to resist water absorption when immersed in water. It is given by a percentage increase in the weight of a circuit board material due to water absorption under controlled conditions. FR4 materials offer a low moisture absorption of 0.10% when immersed in water for 24 ...

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  • Goodfellow Materials Hub

    Discover different materials & their properties, uses, & forms in our Materials Hub. Perfect for designers, creators, & artists. 70 years of expertise.

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