The KFP series foil strain gauges provide a usable linear thermal expansion coefficient of 65 × 10⁻⁶ /°C, making them suitable for strain measurement on plastics such as acrylic resin.

KFP-5-120-C1 / KFP-2-120-C1
KFP-5-350-C1 / KFP-2-350-C1