3D Square Bottom Bag for Poly Silicon Pack Liner Bags
3D square bottom bags are specialized packaging solutions used for containing and transporting poly silicon materials. These bags are designed with a square bottom to provide a stable base, improved stacking, and maximized space utilization.

Key Features
Square Bottom Design: Provides a stable base that prevents the bag from tipping over and allows for efficient stacking.
High-Strength Materials: Constructed from durable materials like high-density polyethylene (HDPE) or multi-layer laminated films to withstand heavy loads.
Chemical Resistance: Resistant to chemicals and contaminants to ensure the safe transport of poly silicon materials.
Moisture Barrier: Offers excellent moisture protection to keep the contents dry and free from environmental damage.
Custom Sizes: Available in various sizes to meet specific packaging requirements.
Sealable Options: Can be heat-sealed or tied to secure the contents effectively.

Manufacturing Process
Material Selection: Choose high-strength, chemical-resistant materials.
Extrusion and Laminating: The material is extruded into a film and then laminated for additional strength and barrier properties.
Cutting and Shaping: The laminated film is cut into appropriate sizes and shaped into bags with a square bottom.
Sealing: The edges and bottom of the bags are sealed using heat or adhesives.
Quality Control: Each bag undergoes rigorous testing for strength, durability, and moisture resistance.

Benefits
Enhanced Stability: Square bottom design provides a stable base, reducing the risk of tipping and spilling.
Improved Stackability: Bags can be easily stacked, optimizing storage and transportation space.
Protection: High-strength materials and moisture barriers protect the contents from damage and contamination.
Versatility: Suitable for a wide range of applications beyond poly silicon, including other industrial materials.

Applications
Poly Silicon Packaging: Ideal for packing and transporting poly silicon materials used in solar panels and semiconductor industries.
Chemical Storage: Suitable for storing and transporting various chemicals and powders.
Industrial Packaging: Used in various industries for packaging heavy and bulk materials.

CHENGDU PINETREE INDUSTRIAL CO.,LTD was established in 2014, specializing in the production of PE shrink film & bags, POF shrink film & bags, PE warp film rolls, CPP/BOPP film, PE bags and other packaging materials, which comprise the whole process of research and development, manufacturing and service packaging enterprises. After years of operation, Pinetree now serving over 500 customers world wide.

We have got the ISO9001:2000, CE, SGS, ROSH international quality system certification.

With rich production management experience and development ability, We have professional production line, continuous introduction of advanced technology and advanced equipment from domestic China and over 50 countriesis .

We were, and will never stop to improve production efficiency and quality of products, Breaking the ground, innovating technology, upgrading equipment and improving ourselves.