Application: The natural white color material has the properties of matt surface, good handle feeling and good adhesiveness with PP. The semi-transparent material has the property of matt surface, good handle feeding, good wear resistance and easy colored and hard to separate from PP materials after they are cohesive. The natural white pen cap material is used for the generally pen cap, with the property of easy colored, bright color and easy demoulded. The nature white and semi-transparent products can be adhesive with PP. Our company have the high and middle and low grade products, those are used in the daily supplies and caster products.