PP Woven Block Bottom Sack Machine

Product Application

Minimize space for storage and during transportation process, combined with valve for easy filling, especially for cement industry that is commonly using rotary packer to maximize their filling capacity. It is also stronger and more durable than multi-ply kraft paper or pp woven sandwiched kraft paper cement bag. Suitable: Block bottom PP woven valve bag, widely used for cement, resin, and other bulk material.  

Main Technical Variables

I．Technical Parameter
Sack width	300-600 mm
Sack length	410-910 mm
Bottom width（B > 160 mm）	80-180 mm
Bottom center distance	310-680 mm
Main fabric cutting length	510-1090 mm
Fabric width	55-80 g/m²
Coating Weight(15% PE, 85% PP)	17-30 g/m²
Speed	90-120 个/min
2.Material Specification
2.1Tubular fabric requirement
Material specification	2.5-5 mm  PP tapes
Fabric Weight	55-80 g/m²
Coating Weight	17-30 g/m²
Coating adhesion	Min. 8.1N/30mm
Width tolerance	±7 mm
Weight tolerance (fabric + coating)	±3 g/m²
Over coating	Max. 5mm
2.2 Flat fabric for patches
Fabric Weight	55-80 g/m²
Coating Weight(15% PE, 85% PP)	17-30 g/m²
Coating adhesion	Min. 8.1N/30mm
Width tolerance	±3 mm
Weight tolerance (fabric + coating)	±3 g/m²
3. Electrical，water，air requirement
Power	105 KVA
Water consumption（Max 18°C, 4 bar）	2m³/h
Operating pressure	6-7 bar
Air consumption	120 m³/h
Air compressor	Prepared by customer
4. Space requirements
Equipment Size	L*W*H: 12 m×7.5 m×3m
Ground strength	The installation place must keep the ground flat and have enough bearing pressure. The foundation should not conduct vibrations generated during operation. The permissible ground load must not be lower than 25000 N/m2
Environment temperature	The equipment should not be installed outdoors! The ambient temperature in production halls and warehouses must be between 18 °C and 40 °C!

Bag Type - PP Woven Block Bottom Sack Machine can make