Advanced Technology Division

ADVANCED TECHNOLOGY

Measuring the Gel Time of Prepreg

Prepreg: Powder
Input: 0.3 g
Heat plate temperature: 170°C

Measurement procedure
(1) Take powder out of prepreg and sift the powder to remove glass cloth fiber.
(2) Drop 0.3 g of prepreg powder onto the heat plate.
(3) Graph the changes in torque when resin is cured with time.
(4) It ends automatically as the torque reaches the set value.
Note: The set value of torque is determined as desired.

Purpose

Manual and intuitive measurement had variations between operators, which had been a problem.

Result

Since the measurement parameters can be saved for each product, anyone was able to make measurements without variations only by reading that information.In addition, it became possible to unify the measurement criteria between factories and between the user and their customers.

Automatic gel time tester “MADOKA”: Prepreg

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