What grade of Xenoy is used for Honda Lawnmowers and why is it used?

Honda manufacture their lawnmower decks from Xenoy but what grade do they use and why do they us Xenoy?What grade of Xenoy is used for Honda Lawnmowers and why is it used?well dont know what % they used but it is tough i used to sell tham and honda had to justify the price with new products and i never had a complaint on there mowers wich are rated number one, they took a mower deck with thay Xenoy and took a mack truck and tried to crush it and it did not crush i seen it in there sales training vid