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Filler Orientation Control Technology

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Weld line can be eliminated Introduction of orientation control technology for anisotropic filler.
This technology eliminates or reduces the phenomenon in weld and meld line issues such as strength reduction, convex distortion resultng from uneven shrinkage, color tone unevenness, etc. . This technology is also effective against warping of molded parts. Our customers highly appreciate this.

Breaking test of weld line Normally, if you inject long fiber reinforced resin from both ends of the test piece mold, there will be a weld line at the center of the test piece. In the tensile test, it will break very easily. When our orientation control technology is applied, however, the test piece is found to be 5 times stronger in the tensile test. This technology can be applied not only to long fiber reinforced resin but also metallic colored resin, PP + talc type, and other filler-added materials; We are also developing molding technology for CNF (cellulose nano fibers) -added material.

Test piece ISO dumbbell Type A1 multi-purpose test piece (t=4)
Method ISO 527-1 and 527-2 test standards
Test speed:5mm/min. n=5
Environment Measured dry at 23 degrees celcius and 50% RH
Material Resin PA6 with CF30wt%
TORAYCA TLP1060 from Toray: Carbon fiber 30wt%, long fiber pellet
No weld (1 gate) test piece. Tensile strength on Toray catalog specs: 280 MPa
Results Average tensile strength of 288.63 MPa with the maximum tensile strength of 310.00 MPa was achieved.

288.63 MPa well exceeds 280 MPa, the strength of original test piece without any weld. Strength of normal products having a weld line is only 57 MPa. Our products have proven to be five times stronger than the ones with a normal weld.



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