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Types of 20 & 25kg bags Various types of bags are used depending upon type and origin of the polymer. The variants can be summarised as follows: -
Type PE Paper PP Raffi a Laminated Bulk Density
In addition to variations in actual density of different thermoplastics and formulations, pellet/granule geometry will also affect the mass of material that can be contained within a specifi c volume – the bulk density. Bulk density is particularly important when calculating the volume of tanks and silos so as to ensure that their capacity is suitable for the intended weight of polymer granules.
Quantities less than one pallet Often customers require quantities of less than one pallet and denominations of 25 kg (20kg) are available. A premium is charged to cover the additional costs and this may include:
< 100kg – courier service, boxes, picking charges
>100kg < 500kg – cost of pallet, pallet wrapping, picking charges, delivery premium (delivery charges from logistics companies are based upon number of pallets rather than weight, with a minimum charge of one pallet).
>500kg < 1,000, 1,250, 1,375 - (depending upon original packaging) cost of pallet and picking charges.
Strength Good Reasonable Excellent Good Material Types All
Mainly Engineering Plastics & ABS
All Hydroscopic
Bulk Supply Options Bulk is a term used to refer to materials that will be stored in silos. Historically road tankers were used to collect material from a polymer producer’s silo and deliver it directly to a customer’s silo. The need for dedicated vehicles with low utilization (due to return journeys being empty) has restricted the ability of high-usage customers to take advantage of this option. Options to overcome these restrictions and enable access to overseas sources include:
1.‘Rip & Tip’
In this operation 20, 25 kg bags, big bags or octabins are emptied into a road tanker for onward delivery to a customer. In effect the raw material supplier takes on responsibility for materials handling, and so overcomes the issues of geographical restrictions.
2. Sea Bulk
This type of packaging involves the use of shipping containers which are often modifi ed to facilitate fi lling and emptying. The containers are lined with a plastic bag to remove any risk of contamination. The containers are suitable for ‘multi-modal transport’ (sea, rail and road), and can be also used as storage vessels. A specialist trailer is only required for the fi nal journey to enable the material to be transferred into a silo.
Ocatbins, Otaboxes & Gaylords This packaging allows quantities greater than 25kg bags to be shipped in one container on a pallet. Weights range from 900 to 1,250 kg depending on material type and supplier. ‘Gaylords’ are designed for use in shipping containers where they offer better stability and more effi cient use of space.
Big Bags FIBCs (Flexible Intermediate Bulk Containers) These are woven PP raffi a sacks which can be either lifted by means of loops at the top of the bags or are supplied on pallets. The weight of polymer supplied in each bag is typically 1,000 kg. In addition to extensive use for PET and PVC resin, this format is often used in the compounding and recycling sectors.
Plastribution is the UK’s leading distributor of plastics raw materials, delivering reliability, know-how and true business partnership to the world’s best polymer suppliers and our UK customers.
In the event that you require further information about packaging formats please do not hesitate to contact a member of the Plastribution team for further information by emailing
sales@plastribution.co.uk or phone 0845 3454560
© Plastribution Limited. All rights reserved. 2011
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