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International Shipping

We do not offer international shipping to countries within the European Union

We can only ship non-hazardous products to Rest of World

Tween 20

Price: £182.95
Stock Availability:

Compare all Pack Sizes

Stock Availability
On Shelf - Approx. UK delivery date: Thursday the 10th April 2025*
In bulk stock - ships within 4 - 8 Days (Excluding weekends and public holidays)
4 - 6 Weeks Approx.
UK Shipping

We can only ship to Northern Ireland where a Royal Mail postal option has been chosen at checkout.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible
  • Appearance (Clarity) @ 25 Deg Clear
  • Appearance (Form) @ 25 Deg Liquid
  • Colouration (Gardener) @ 25 Deg 5 Max
  • Peroxide value (meq/kg) 5 Deg
  • Saponification value (mg KOH/g) 40 - 50
  • Hydroxyl value (mg KOH/g) 96 - 108
  • Acid value (mg KOH/g) 2.0 Max
  • Sulphated ashes (%w/w) 0.2 Max
  • Water content (%w/w) 2.5 - 3.0
  • Heavy metals content (mg/kg) 10 Max
  • Ethylene glycol (mg/kg) 620 Max
  • 1,4-Dioxane (mg/kg) 10 Max
  • Free ethylene oxide (mg/kg) 1 Max

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 9005-64-5

Payment Methods

We can also accept a bank transfer (UK Only)

Latest Feedback

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    Among the best customer service ever via Amazon.
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    Item exactly as described and of high purity. Well packed for delivery as well.
  • Rating:
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    Very helpful and courteous emails from seller, as I had misunderstood details of purchase. A refund was very promptly sent. Thank you very much for your understanding.
  • Rating:
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    Prompt delivery no problems would recommend
Source Chemicals Ltd