Home    |    Sitemap    |    Chinese Edition          »search 

 


back to list

Product Name: Anti-fogging and Anti-aging Polyethylene Blown Film for Agricultural Application  
Trade Mark: Sanren Brand  
Alternative Name: Double proofing film  
Molecular formula/Structural Formula:
Production Process: Using LDPE as main feedstock, the product is made by blow moulding with additional antifogging /-aging agents.  
Properties: The product has very good mechanical strength, light transmittance, thermal insulation and air permeability. It can make the steam inside the shed form a water film flowing down along the two sides of shed while it can last the aging time of PE film under sunlight.  
Grade: ?  
National Standard Grade: ?  
Enterprise Standard Grade: ?  
Specifications:

National Standard GB 4455-1994 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

+-0.022

 

+-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: Agricultural shed for planting vegetable, melon and fruit, flowers and plants or for growing seedlings, and also for aquiculture, breeding of fowls and domestic animals. The effective period of antifogging is generally 3 months.  
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 done 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 extingushers for the product.  
Safety Precautions:  
SPC

© 2018 - SINOPEC SHANGHAI PETROCHEMICAL COMPANY LIMITED - All Rights Reserved    |    Legal Notice