The Company

Runbom and Tapper AB as it used to be called, was established in Nässjö 1987 by Ken Tapper and Bernt Runbom.
The company was from the beginning a pure agency type of company, but has since 2000 its own rubber and plastic production.

Tapper Sealing Technology is a separate company, but has always functioned as the development, production and export division of RUTAB.

Paul Tapper has been the CEO since the start in 1987.

1987 RUTAB was founded, it's first sales year was 1988.
The company's primary field is electrical installation material marketed to wholesalers and OEM's.
1997 Bonab Komponent AB was acquired – at that time they produced rubber grommets in Thailand.
2000 The production in Thailand is closed and instead RUTAB developed and launched a fully automated rubber production in Nässjö, with Rutaseal and Rutaseal Light.
2001 RUTAB A/S is established in Norway.
2005 Klikseal is launched internationally at Hannover Messe.
2007 TSS is launched at Hannover Messe.
35% of RUTAB and TST is acquired by Nordstjernan.
2009 Rutab acquires 100% of Treotham AB.
Design-a-Flange is launched.
2012 Rutab acquires 100% of AB Novum.
2013 80% of Rutab is acquired by Addtech (including Nordtjernan’s 35%). 
The 35% of TST is bought back from Nordstjernan.
2015 The TSS family expands with the addition of M40, PG sizes and a TSS Multi version.
2016 The entire TSS sortiment in V0 material is launched.



Tapper Sealing Technology AB
Lerbacksgatan 2
SE-571 38 Nässjö

Tel: to contact page
Email: info (at) tst-ab.com
Our company is credit worthy according to Bisnode's credit assessment system that is based on a number of decision rules. This credit rating is updated on a daily basis, and always shows the current rating and date.
TST - Rubber grommet Designed and Made in Sweden