First, the raw materials are different

1. Raw flour raw materials: the raw flour used in Chinese mainland is potato flour, the raw flour used in Hongkong is corn flour, and the starch used in Taiwan Province Province is too white, which is made of potatoes or cassava.

2. Corn starch raw material: starch extracted from corn kernels.

Second, it's different.

1. Raw flour: including corn starch, white powder, sweet potato flour, Ge Fen, cassava flour, sago coconut starch, crystal powder and mung bean starch.

2. Corn starch: It belongs to a kind of raw flour.

Extended data:

Corn starch with water has a strange property: it hardens under rapid impact, but it does not harden under slow impact. After mixing corn starch and water in a weight ratio of 3:2, shearing and thickening the liquid, which is called "Ou Bu Li" oobleck, has many uses in the production of environmental protection products.

For example, in 2004, Pioneer Japan published a Blu-ray disc made of corn starch, which can be degraded naturally.

Baidu encyclopedia-raw flour

Baidu encyclopedia-corn starch