If you wish to collect in store or visit, then email info@arachnidfx.com to arrange. We are located in

Unit C2, Metropoint Business Park, Swords, Co. Dublin

Odyssey Studios, Corcanree Business Park Dock Road, Limerick

Prop rentals, 3d printing, custom sculpts, mold making and casting...the list goes on!

If you need professional quality work then get in touch via


RTV 1128 is a condensation cure, tin silicone moulding rubber with a full cure time of 24 hours depending on catalyst.

Pot life is 109 mins and base : catalyst mixing ratio is 33 : 1 (or 100g of base to 3g catalyst) by weight.


Ideal uses include : brush up molds, block molds, matrix molds etc


RTV 1128 can be used with our accompanying Thixothropic agent to create thicker molds or simply for projects which require a more vertical brush layer.


RTV 1128 Budget Silicone Rubber (Tin Based)