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Product Name: Polyethylene Composite Blown Film for Agricultural Application  
Trade Mark: Sanren Brand  
Alternative Name: High heat insulation film  
Molecular formula/Structural Formula:
Production Process: Using LDPE as main feedstock, the product is made by composite blow moulding as laminated film.  
Properties: The product has very good mechanical strength, light transmittance and air permeability, excellent thermal insulation.  
Grade: ?  
National Standard Grade: ?  
Enterprise Standard Grade: ?  
Specifications:

GB4455-1994 Polyethylene Blown Film for Agricultural Application

Deviation in width:

Item

Deviation,mm

Premium-grade

1st-grade

On spec.

 

Flat width

mm

<=

+-10

+-15

+-20

1001-1500

+-16

+-20

+-30

1501-2500

+-40

+-60

+-80

2501-3500

+-60

+-80

+-120

3501-5000

+-100

+-120

+-150

 

 

Deviation in thickness:

Flat width

mm

Thickness

Mm

Index

Deviation in limits of thickness

Deviation in average thickness, %

Premium-grade

1st-grade

On sepc.

Premium-grade

1st-grade

On sepc.

<=2500

0.080

+-0.015

+-0.018

?.022

 

+-8

 

+-10

 

+-12

0.100

+-0.018

+-0.020

+-0.025

>2500

0.080

+-0.016

+-0.020

+-0.024

0.100

+-0.020

+-0.024

+-0.028

 

 

Roll net weight and weighing deviation

Width,mm

Net weight,kg

Deviation in weighing, kg

1501-2500

<=50

+-0.2

2501-3500

<=70

+-0.2

3501-5000

<=90

+-0.3

 
Scope of Application: As covering material for crops shed to grow vegetable, melon and fruit or flowers and plants.  
Major Applications: ?^# ?  
Process Method: PP woven bag.  
Packing: ?  
Packing Size: The product should be stored in a dry and well ventilated warehouse, be tidily palletized. It should not be piled in the open air and there should be no damage to the product during the period of storage which should not exceed half a year from the date of production.  
Storage: By means of truck, vessel or train. During transportation the product should not be exposed to the sunlight and rain. Neither should the product be mixed with contaminants. There should be no heavy bump or unloading by throwing the bags.  
Transportation: 1. Be away from fire and heat sources.
2. Should not be stored or transported together with chemicals and inflammables.
3. Warehouse must be equipped with extinguishers or fire-fighting device.
4. Water, carbon dioxide, dry powder or 1211 can be used as extinguishers for the roduct.  
Safety Precautions:  
SPC

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