Modified PP

Material Selection2026-07-139 min read

How Much Heat Can Polypropylene Withstand? PP-H vs PP-R vs PP-B

PP is not one single material. PP-H, PP-R, and PP-B have different molecular structures, so their heat resistance, toughness, stiffness, and applications differ.

Polypropylene Heat Resistance PP-H PP-R PP-B Modified PP

Automotive Materials2026-07-1310 min read

Why Automotive Bumpers Need Low-Temperature Modified PP

Automotive bumpers cannot be designed around room-temperature strength alone. Modified PP must retain impact toughness in cold weather while balancing stiffness, weathering, weight, and cost.

Automotive Bumper Modified PP Low-Temperature Impact Elastomer Toughening Automotive