PIB COMPOUND

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Product Description:
PIB Compound is a based on a special blend of Polyisobutylene with base polyethylene, elastomeric olefins and active additives. The composition is used as a adhesion promoter (cling agent) to produce stretch wrap films from LLDPE or LDPE, the high molecular weight Polyisobutylene content in the base polyethylene and matrix achieves the excellent stickiness property in the dry granules, it is dry free flow granules

PIB Compound is available in the granule form which is very easy to handle as against the direct dosing of Polyisobutylene liquid which is very difficult & tedious to handle due to high viscosity. Our Polyisobutylene Additive distributes very uniformly over the entire film imparting the strength & tackiness properties to the film with self adhesive properties. And this property of the film helps to wrap the packages together with proper grip.


PIB Compound is designed to produce stretch wrap films from LLDPE, LDPE or any other Nonslip Polyolefin’s for the applications of Pallet wrap and Silage wrap. It can be used on either blown film line or cast film process. Polymers used with Polyisobutylene Additive must not contain any Anti blocking additive or slip agent as this will prevent the migration of cling additive on the films. Migration time for the good cling properties is usually 24 to 72 hours.

TECHNICAL SPECIFICATIONS
 Chemical Name ( Global Name )
 Polyisobutylene Additive
 (PIB Compound)
 Appearance
Lightly Powdered Translucent Dry Pellets
 Grade Name
PIB60,  PIB66,  PIB70
 Active Polyisobutylene Content
60%,    66%,    70%     (+/- 1 %)
 Compatibility
LLDPE, LDPE, EVA ETC.
 Loose Bulk Density
0.45 ~ 0.50 gms/cm³
 Specific Gravity
0.910 ~ 0.920 gms/cm³
 Energetic Additive Contribution
Up to 5 %
 Soluble fraction in Xylene @ 25⁰C W/W%
75 max
 Moisture (at works)
<0.5%

 Application:

Polyisobutylene Additive is mainly used in LLDPE / LDPE self adhesive Stretch Film either both plant , Blown Film and Cast Film

 Machine Stretch Film
Stretch Silage Film
Color Stretch Film
Pre Stretch Film


We suggest the following addition level :

To get the best results in case of extrusion, it is advisable to mix the material thoroughly before feeding in a hopper

Blown Film Line:

è PIB Additive, use in monolayer blown film line approx 5 to 7% should be added to with resin mix

è PIB Additive, use in multilayer blown film lines are usually added to the skin layers only. Addition level
     Of depends on which layer is used and the thickness of layer, it can be use approx 3 to 5%

Cast Film Line:

è PIB Additive, use in monolayer cast film line approx 2 to 4% should be added to with resin.
  
è PIB Additive, use in multilayer cast film lines are usually added to the skin layers only. Addition level
     Of depends on which layer is used and the thickness of layer, it can be use approx 1 to 2%

Note: The above dosages are for guidance only. Actual condition may vary from film to film, process to process and also upon the thickness of the film and its specific uses.

Blown Films Application : 03 to 07%
Cast Film Application : 01 to 02%

Packing & Storage:

Polyisobutylene Additive (PIB Compound) is available in the packing of 25 kg. paper laminated moisture proof woven sack bag. It is also available in 22.5 Kg. Heavy duty corrugated Box Packing. Keep the product in cool & dry place with good ventilation. Away from the direct sunlight, high temperature, rain pour and not under heavy loads.

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