pvc bag

Detailed Product Description

                                                     PVC BAG

 

1.Features and advantages

 

High temperature resistance, oil proof, water proof, non-toxicity, be completely  fused with asphalt by mechanical agitation, high bearing stress strength and so on.Light weight, small size,the lowest cost.Convenient in use, transportation and storage. Contain Polyolefin which is a addition agent of building asphalt,modified asphalt and can improve impact resistance and toughness of asphalt.

2.Specification

 

25kg: A:Internal bag:800×500(±10mm) and external bag 750×480 (±10mm)

25kg: B:Internal bag:850×500(±10mm) and external bag 800×480 (±10mm)

40kg: A:Internal bag:950×580(±10mm)and external bag 900×560(±10mm)

40kg: B:Internal bag:1050×525(±10mm) and external bag 1000×505(±10mm)

Packing bags could be processed according to thickness and standard dimensions of

contract requirements.

 

3.Quality Index

 

Item		Performance Index
		25kg	40kg
Tensile strength of Material MPa≥	Long direction	20
	Horizontal	22
Limit Temperature		≤142
Use  Temperature		≤135
Meltde temperature 160-165		Asphalt and packing bags completely melted with 20min when agitating( agitating speed80r/min).
Heat Resistance of Bottom		No glue failure, melt trace and so on afer tested for 30min by 140±1.

 

4.Application

Be applicable to pack all kinds of road asphalt and modified asphalt.

5.Use-method

 

At first, put an internal packing bag into an external woven bag and then put them into a working box. Second,make the bag mouth turn out of the work box and directly pour melted asphalt into the packing bag.Third, screw the internal packing bag and tighten it by plastic rope after exhaust more than 80% air.Finally, seal the external woven bag by Bag-sewing machine.

Please note that bale sewing threads and ropes of external woven bag cannot be put into melt tank when melte products in the process of working.Internal packing bags and external woven bags must be melted simultaneously.

6.Package

 

300 or 500 pieces per set, and also any quantity according to your requirement. 7.Storage and Transportation

Packing bags should be stored in dark, dry and shady storerooms, piled tidily, and far from heat source more than one meter.The storage time should be less than one year. To avoid machine collision and rain or sun, packing bags should be covered by linen in transportation. External packing should be in good order in carrying process, and prohibit rough handling.

8.Safety and Attentions

 

Before be piled and transferred,canned asphalt should be natural cooled for 24 hours in winter (atmospheric temperature ≤8),or 72 hours in summer (atmospheric temperature ≤35),and also could be cooled to solidification by water.In a word, different kinds of asphalt have different cooled time.

Packing bag cannot touch by hard things or sharp things in order to avoid breaking bags while load and unload.

To avoid breaking bags in the process of transportation, our packing bags are packed by high stress strength,ultraviolet resistance and anti-aging external woven bags.

9.Appendix

The External Woven Bag of QD-PLB

QD-PLB internal bag must be closely used by external woven plastic bag at the same time. Internal packing bag is used to bear temperature and external woven bags is used to load weight.

External woven bags have two kinds: fusibility and infusibility

Melted temperature of internal and external bags is 160170,and  agitating melted time is 20min.

The test of QD-PLB external woven bag is done according to China National Standard GB/T8946-1988.