Thinsulate
Definition:
Thinsulate insulation began in the 1960s when 3M started experiments in microfiber technology. By 1978, 3M had introduced Thinsulate to the marketplace a synthetic substitute for down.
Thinsulate insulation began in the 1960s when 3M started experiments in microfiber technology. By 1978, 3M had introduced Thinsulate to the marketplace a synthetic substitute for down.
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