OTTOOLL M 501 - Teaserbild


The crystal-clear hybrid adhesive

1-component hybrid polymer STP adhesive
For indoor and outdoor application
  • Crystal clear
  • Compatible with natural stone
  • Elastic bondings
  • Inconspicuous bondings
Technical datasheet

Product details

The crystal clear hybrid adhesive OTTOCOLL® M 501 is the first choice for all bonds that should be as invisible as possible after curing. It is suitable for many elastic bondings inside and outside, such as bonding and mounting wood, wooden materials, metals, plastics and mineral surfaces. OTTOCOLL® M 501 is also compatible with natural stone.

Fields of application

  • Bonding of stone, natural stone and ceramic
  • Bonding of mirrors on ceramic, glass, plastic, stainless steel, aluminium, wood, concrete, etc.
  • Bonding of window sills, floor strips, decorative strips and stairs
  • Bonding and mounting different materials, such as wood, wooden materials, plastics, metals and mineral substrates


  • Crystal clear - For inconspicuous bondings
  • Very good adhesion on many materials - Can be used on many materials without pretreatment
  • Compatible with natural stone - Does not cause greasy deposits on natural stones
  • Also bonding to damp surfaces
  • Elastic - Compensates movements
  • Can be painted and varnished – please observe application instruction in Technical Data Sheet
  • Silicone-free
  • Free of isocyanates

Standards and tests

  • Meets the requirements for fire behavior according to EN 13501: Class E
  • EMICODE® EC 1 Plus - very low emission
  • French VOC-emission class A+
  • Declaration in "baubook" Austria
  • Suitable for applications according to IVD instruction sheet no. 30+35 (IVD = German industry association sealants)

Colours & form of delivery

310 ml cartridge
Units per packaging unit 20
Pieces per pallet 1200

Due to typographical reasons the colours shown below may differ from the original colours of the products.

Products, packaging Units and/or colours bearing order codes are available ex warehouse in standard commercial quantities.

Do you have questions about our OTTOCOLL® adhesives?

Our application consultation is available Monday to Thursday from 8:00 a.m. to 4:00 p.m. and Friday from 8:00 a.m. to 2:00 p.m. and will be happy to receive your request.