Film Technique





South Farm, Ansty, Salisbury, Wiltshire, SP3 5PS

Tel / Fax: 01747 870256 Mobile: 07970 415735







Film Technique specialise in the design, manufacture and supply of pre-stretch units for agricultural trailed and three point linkage round and square bale wrapping machines.


The Film Technique pre stretch units have successfully been working on Wrapmaster big bale wrapping machines since 1987. With over twenty years of experience in the design and manufacture the tried and tested pre - stretch units have now been successfully fitted and extensively tested on the following machines: Lawrence Edwards, Tanco Auto Wrap, Volac,

Grays Tubeliner, Kverneland, Elho Westmac, Parmiter, Cook, Colchester Tillage, Rekord, Wrapmaster.


The extensive product range is manufactured and engineered from the highest quality materials available: aluminium knurled rollers, 20mm thick hardened steel gears and 20mm bearings. The steel frames are manufactured from laser cut profiles and solid round bars, the unique round bar design also protects the pre-stretch unit from accidental damage.


The Film Technique pre- stretch unit gives a positive even stretch on all types of pre-stretch silage wrap in the market place.


Special adaptor brackets are supplied when necessary to allow easy conversion from the existing K.O. pressure frame type pre-stretch or the existing own brand units. The Film Technique unit therefore can be fitted quickly and easily in the correct position.

Film Technique have successfully converted several makes and models of machine from 500mm film onto 750mm film. Step by step fitting instructions are supplied with every unit.


 UK delivery next day, Europe, rest of the world 1 5 days







Universal Pre-Stretch Unit


Universal Pre-Stretch unit supplied with :


This universal tensioner should fit the following makes :



Make sure that the gears are greased before operation. Regulary clean the aluminium rollers with a cloth and white spirit to remove any excess tack residue especially after wrapping large quantities of bales in hot weather.


Ordering the Film Technique film tensioner

Film Technique film tensioners are currently sold direct to dealer / distributors, farmers and contractors.

Terms and conditions

Payment/Delivery Terms:

Payment must be made in full, prior to despatch. Payment by debit card or bankers draft, or by cleared business cheque.
Film Technique reserve the right to change specification at short notice. However alteration to specification will be in the interest for improvement.
Delivery dates quoted are approximate and Film Technique are not liable for delays caused by suppliers or the carrier.
Film Technique film tensioners are geared to stretch at 68 % .The amount of bales per 1500 metre x 750mm wide film should be between 28 30 bales / roll on a standard 4 foot bale based on 16 revolutions / bale.

Refunds : No refunds will be made for film tensioners ordered incorrectly i.e. Film tensioner not suitable for model / mast orientation.





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