BIS certification is crucial for PP woven, laminated, block bottom valve sacks used for packaging 50 kg cement. This certification ensures that these sacks meet the strict quality and safety standards set by the Bureau of Indian Standards. It guarantees that the sacks possess the necessary strength, durability, and resistance to moisture and environmental factors, which are essential for safeguarding cement during storage and transport. Compliance with BIS standards ensures that the sacks prevent contamination and spillage, preserving the integrity of the cement while providing reliability and safety for both manufacturers and end-users.

As per the Ministry of Chemicals and Fertilizers and the Department of Chemicals and Petrochemicals, PP woven, laminated, block bottom valve sacks used for packaging 50 kg cement must adhere to the Indian Standard IS 16709:2017. This standard ensures that the sacks meet the required quality and safety criteria, offering protection to cement against moisture, contamination, and physical damage during storage and transportation. Compliance with IS 16709:2017 guarantees that these sacks are durable, strong, and capable of maintaining the integrity of cement, which is crucial for optimal performance and reliability in the construction industry. Ensuring adherence to this standard is vital for manufacturers to maintain regulatory compliance, product consistency, and consumer trust.

Tests

Key tests for PP Woven, Laminated, Block Bottom Valve Sacks for Packaging of 50 kg Cement:

• Mesh size

• Sack

• Lamination

• Perforation

• Capacity

• Dimensions

• Ends and Picks per dm

• Mass of sack

• Breaking strength of Fabric

• Weld strength of top & bottom closure

• Elongation at break of fabric

• Drop impact testing of filled sacks

  Ash Content

  Air permeability at 50 mbar

PROCESS FOR BIS ISI MARK CERTIFICATION