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: £9.95
Stock Availability:

Compare all Pack Sizes

Stock Availability
On Shelf - Approx. UK delivery date: Wednesday the 10th September 2025*
In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)
4 to 6 weeks approx. (Not guaranteed)
UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

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. Delivery could be much quicker than stated but is not guaranteed
  • 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

Information

Returns Policy

Cookie Policy

Privacy Policy

Shipping

Contact Us

Payment Methods

We can also accept a bank transfer (UK Only)

Popular Products

> Hydrogen Peroxide 3% Food Grade
> Hydrogen Peroxide 6% Food Grade
> Surgical Spirit BP
> Distilled Water
> Ammonium Chloride 99.5%
> Potassium Chloride 99-100.5% ACS,FG,FCC
> Isopropanol 70% Blend
> Magnesium Hydroxide 99%
> Isopropyl Alcohol 99.9% ACS
> Potassium Bromide 98.0-100.5% Ph Eur V
> Aluminium Potassium Sulphate 99.5% ACS
> Lactic Acid 80% ACS,FCC
> Hydrogen Peroxide 12% Food Grade
> Acetone 99.5% BP
> Sodium Chloride 99.9% BP, ACS, Ph Eur,FCC
> Benzyl Alcohol 99.9% USP,Ph Eur,BP,ACS
> Potassium Iodide 99.9% ACS
> Hydrogen Peroxide 9% Food Grade
> Ethyl Acetate 99.7% ACS
> Castor Oil BP
Source Chemicals Ltd