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For UK Linen-Hire Laundries: How to Spec Towels That Survive Tunnel Washers

November 10, 2026
3 MIN READ
3 diagrams
For UK Linen-Hire Laundries: How to Spec Towels That Survive Tunnel Washers
In this article
  1. What a tunnel washer does to a towel
  2. The six lines to fix
  3. Weight: choose for the line, not the brochure
  4. Test before you commit
  5. Sizes
  6. Duty and transit
  7. Order sizes
  8. Consistency between orders

Short answer: linen-hire towels earn money per wash, so the spec should be written for the wash line. Fix six things: loop security, hem construction, piece-weight tolerance, shrinkage, whiteness and drying behaviour. Feel in the hand comes last.

What a tunnel washer does to a towel

A continuous batch washer moves towels through a series of chambers, then a press squeezes the water out under high pressure, and a dryer finishes them. Compared with a hotel's own machine, the towel is washed more often, pressed harder and dried faster. Weak points fail early.

The six lines to fix

Six spec lines
Loop security: firmly anchored pile
Hems: double-turned, lock-stitched
Piece weight: plus or minus 3 to 5 percent
Shrinkage: finished size after wash
Whiteness: agreed against a reference
Drying: a weight that suits your dryers
Spec lineWhy it matters to a laundryWhat to ask for
Loop securityLoops that pull out under the press leave bald patches and lintFirmly anchored pile. Test by pulling a loop on the sample
HemsHems are the first thing to failDouble-turned, lock-stitched hems with secured corners
Piece weight toleranceYou bill and load machines by weightA stated weight per piece, plus or minus 3 to 5 percent
ShrinkageA towel that shrinks out of size is rejected by the hotelFinished size after wash, with a stated maximum
WhitenessGrey towels are returned by customersA white agreed against a reference, stable under your process
DryingDryer time is energy costA weight that suits your dryers. Heavier is not better

Weight: choose for the line, not the brochure

Where many linen-hire towels sit
Target 500 GSM
350 GSM700 GSM
Best return for many operators: 450 to 550 GSMCostly to dry: 600 to 700 GSM

A 600 GSM towel costs more to buy, holds more water, takes longer to dry and weighs more on every load. Many linen-hire operators find the best return in the 450 to 550 GSM range. Run the sum for your own energy cost in the cost per wash calculator.

Test before you commit

  • Ask for 20 to 30 pieces, not one.
  • Put them through your own line for 50 cycles, tagged.
  • Weigh and measure at 0, 10, 25 and 50 washes.
  • Record hem failures, pulled loops and colour against an unwashed piece.

Fifty cycles on your own line tells you more than any test report.

Sizes

UK hotels commonly use a bath towel around 70 x 130 to 70 x 140 cm and a bath sheet around 90 x 150 cm or larger. Standardising on fewer sizes across your customers cuts your stock. See how linen-hire companies standardise pool stock.

Duty and transit

0%
UK duty under CETA, with origin proof
26
days at sea from Cochin, at most
500
pieces for a line trial
  • Duty: 0 percent on Indian towels and bed linen under the India-UK CETA, in force since 15 July 2026, with the required proof of origin. The standard rate would otherwise be about 8 percent on towels and 12 percent on bed linen.
  • Transit: 21 to 26 days by sea from Cochin to UK ports.
  • Production: 30 to 45 days.

See what changes on a towel invoice under CETA.

Order sizes

Trial runs start at 500 pieces, which is enough for a proper line trial. Wholesale pricing starts at 2,000 pieces per SKU, and our volume curve gives 22 to 27 percent off list at 5,000 to 9,999 pieces.

Consistency between orders

Pool stock only works if this year's towel matches last year's. We make each reorder against the approved spec and a retained reference. Read why laundries pay for consistency.

Our page for commercial laundries has more. To arrange a line trial, tell us your target weight and size.

Share this article

#UK
#Linen Hire
#Laundry
#Tunnel Washer
#Towels
#Specification

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Dr Abin Babu

Written by

Dr Abin Babu

Founder & Chairman, Anabyn Global Ventures

Anabyn exports hotel and home linen from Kerala, India. These guides come from the questions buyers ask our desk. About the team

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