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Biocides & Coronavirus | FAQs

Over the past few months, Surfachem have received an increase in the number of enquiries for biocidal and sanitation products to help fight the COVID-19 outbreak. As a guide, we’ve collated some of the most frequently asked questions to help support you at this time.

“Do you have anything to thicken hand sanitiser?”

At Surfachem we have a range of rheology modifiers that are commonly used to thicken alcoholic hand sanitisers.

The most common are:

“Can I use triethanolamine to thicken / neutralise Carbopol Aqua SF-1?”

Yes. We recommend using the highest active level you can (preferably SURFAC® TELA PURE 90% AQUEOUS) and neutralising this to pH 7.30 – 7.60. It is important to note that ethanol hand sanitisers are more effectively neutralised with aminomethyl propanol (AMP) or 20% sodium hydroxide solution (NaOH(aq)), however they will still work with SURFAC® TELA.

“What is BPR?”

“I’ve seen a video on social media of someone adding aloe gel to IPA to make hand gel, can I do that?”

This video is showing an aloe gel that has already been thickened with a Rheology Modifier. Our aloe gel is not thickened, therefore adding this to IPA will result in a watery, cloudy solution.

“What statements can I make on my labels / website about sanitisers?”

Hand gels containing 60% alcohol or more are known to kill germs.

Statements such as “kills germs”, “kills bacteria” and/or “antibacterial” can all be used on your labels. However, you should not be making quantitative statements such as, “kills 99.9% of bacteria” or specific kinds of bacteria such as “kills salmonella” without having the relevant EN testing evidence to prove this.

“What is EN testing?”

EN tests are EU testing standards for providing evidence of biocidal effect. The most common you will come across are;

“What EN testing has Surfachem’s hand gel passed?”

Surfachem’s hand gel formulation has passed both EN1276 and EN1500 testing.

“Can I sell my hand gel as a cosmetic or biocide?”

“Can I still sell my IPA-based hand sanitiser?”

IPA has now been inscribed for Product Type 1, but you can apply for a derogation from the HSE under Article 55. This will allow you to continue selling IPA hand sanitisers without having to comply with BPR registration.

“What biocides do Surfachem sell?”

Biocides Chemical Name Active Content Supplier
Lactic Acid Lactic Acid Various Grades Available Jungbunzlauer
SURFAC CHX 20 Chlorohexidine Digluconate 20% Surfachem
BTC® 1010 E Didecyl Dimethyl Ammonum Chloride (DDAC) 50% Stepan
BTC® 818 Diakyl Dimethyl Ammonium Chloride 50% Stepan
BTC® 50 E Benzalkonium Chloride (BAC) 50% Stepan
BTC® 50 E MB Benzalkonium Chloride (BAC) - Mass Balanced 50% Stepan
BTC® 80 E Benzalkonium Chloride (BAC) 80% Stepan
BTC® 1218 50 Alkyl Dimethyl Benzyl Ammonium Chloride 50% Stepan
BTC® 8358 F Alkyl Dimethyl Benzyl Ammonium Chloride 80% Stepan
BTC® 2125 M 50 E Alkyl Dimethyl Benzyl Ammonium Chloride & Ethyl substituted Alkyl Dimethyl Ammonium Chloride (BLEND) 50% Stepan
BTC® 2125 M 80 E Alkyl Dimethyl Benzyl Ammonium Chloride & Ethyl substituted Alkyl Dimethyl Ammonium Chloride (BLEND) 80% Stepan
BTC® 885 Diakyl Dimethyl Ammonium Chloride & Alkyl Dimethyl Benzyl Ammonium Chloride (BLEND) 50% Stepan
BTC® 888 E Didecyl Dimethyl Ammonum Chloride & Alkyl Dimethyl Benzyl Ammonium Chloride (BLEND) 80% Stepan

Wednesday, 27 May 2020

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