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Double tractor for the rear end of aluminum profile extruder
The invention discloses a double tractor applied to the rear end of an aluminum profile extruder, comprising a support frame. A first traction mechanism and a second traction mechanism are installed on the support frame, and a cutting mechanism and a guide frame are respectively arranged on both sides of the support frame. Aluminum profiles
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Metal foam extrusion method and products manufactured thereby
A method for manufacturing metal foam inside a pipeline includes extruding a metal conduit, injecting metal foam powder into the inner cavity of the metal conduit, and activating the foam powder to form integrated metal foam inside the conduit. A device for producing metal foam includes an extruder equipped with one or multiple screws to
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Copolyamide composition containing reinforcing fibers with high modulus stability and use thereof
The invention relates to the use of copolyamides containing at least two different units A and X1Y of formula A/X1Y for preparing composite materials. Wherein A refers to repeating units obtained by polycondensation of at least one C9-C18 amino acid, preferably C10-C18, more preferably C10-C12 amino acid, or at least one C9-C18 lactam, preferably C10-C18,
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Anti-fatigue antibacterial neck support pillow combined cushion and manufacturing method thereof
The invention discloses an anti-fatigue antibacterial neck protection pillow combined cushion and its manufacturing method. The pillow includes a separable first pillow part and a second pillow part. The first pillow part is an integrated laminated structure composed of a base layer, a head supporting layer and a neck supporting layer arranged from bottom to
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CPVC heat-resistant alloy ternary composition and preparation method thereof
The invention relates to a CPVC heat-resistant alloy ternary composition and its preparation method, belonging to the technical field of chlorinated polyvinyl chloride modification. The CPVC heat-resistant alloy ternary composition comprises the following components in parts by mass: 30-34 parts of CPVC component, 10-14 parts of N-phenylmaleimide terpolymer, and 52-60 parts of POK component. The
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Thermoplastic polyamide composition as well as preparation method and application thereof
The invention discloses a thermoplastic polyamide composition containing 25-65 wt% of long-chain polyamide, 5-20 wt% of modified polyarylene ether resin and 30-65 wt% of D-glass fiber. The invention further discloses the preparation method of the thermoplastic polyamide composition and its application in high-frequency communication products. The thermoplastic polyamide composition exhibits outstanding dielectric properties and excellent
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