Patent ID: 9700116
Date: 2017-07-11
CPC Classifications: A45D,C08L

Claim:
1. A loop-shaped hair holding device of a Shore hardness of 25 A-30A with an improved quality of unctuousness, toughness and elasticity in resistance to ozone, light, and heat, made from ingredients comprising 40 wt % of butadiene, 10 wt % of polyethylene, 3 wt % of polypropylene, 15 wt % of paraffin oil, 12 wt % of styrene, 15 wt % of silicone, 3 wt % of a stabilizer, and 2 wt % of a cross linking agent, wherein a weight of each of the ingredients has a margin of error of 5% such that when the device is removed from a person's hair, the hair does not stick to the device nor break, and the device is also less likely to deform after stretching or long-term use.