Storage Method Editor HDPE double wall corrugated pipe should be stored at room temperature and dried in the library. Straight pipe should lie flat bellows, stacking height must not exceed 2 m. Off member and a plate of porous tubes can be flat-cell network dedicated bellows, but should avoid heavy pressure or squeezing stacking. HDPE double wall corrugated pipe with toxic or harmful substances are not allowed to put the bellows and fittings manholes, away from heat PE white bellows store should be set at the eye-catching fire ban signs. Date of manufacture shelf since not normally exceed 2 years and 3) Wave Wave refers to a corrugated shape taken along the axial direction after the corrugation pattern and shape of the bellows affects the bellows stiffness, displacement and pressure capacity. According to the geometry of the wave pattern can be divided into U, C-type, S-type, V-Ω type. Bellows | PE white Bellows | two-out plastic (certified merchants) are provided by Xiong Zan Pair bright plastic products factory. Xiong Zan Pair Ming plastics factory (1620231.707070.cn) is specialized in "pvc drainage pipe, pvc pipe, electric power pipe, glass pipe, steel pipe," the business, the company adhering to the "honesty, hard service" concept To provide you with the highest quality products and services. Welcome to inquire! Contact: double next year.