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For laser welding resin composition and a laser beam transmitting colored agent and resin, with transmittance ratio of the 0 to 0.2 (T laser transmission for black resin / T natural resin)
For laser welding resin composition and a laser beam transmitting colored agent and resin, with transmittance ratio of the 0 to 0.2 (T laser transmission for black resin / T natural resin)
Novel fabricated resin products are described and having suitability for laser welding applications. These contain a resin part for transmitting black colorant and a resin part for absorbing black colorant.
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