PP strap bo gyina nneɛma pii a ɛka bom a nea ɛka ho ne nneɛma a wɔde yɛ nneɛma ho ka, nneɛma a wɔyɛ no mu den, nneɛma a wɔyɛ, nneɛma a wɔkra, dodow a wɔkra, ne gua so nkɔso. Polypropylene resin bo sakra gyina petroleum gua ahorow so, bere a mfiridwuma a ɛkɔ anim a wɔde yɛ nneɛma, sɛnea wɔyɛ no sɛnea wɔpɛ