Because tinfoil is softer than aluminum foil, and the melting point of tinfoil is lower than that of aluminum foil, the temperature required for ordinary barbecue food and baked goods is relatively high, and the aluminum foil needs to melt to 660 degree C, while the melting point of tinfoil is 231 degree C, and it begins to embrittlement above 160 degree C, so the role of aluminum foil is more extensive. In addition, the price of aluminum foil is also lower than that of tin foil, so modern aluminum foil is used instead of tin foil.