Products Sealants

322 Pur Pro

Polyurethane

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gray Available for corporate customers

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foil bag 600ml

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322 Pur Pro is a sealant for the true pros. It bonds permanently to materials such as wood, metal, polyester and concrete as well as lightening the workload, as no priming is required. The one-component, polyurethane-based joint sealant can even reliably withstand the challenging conditions in the industrial and construction sectors. Exposure to chemicals and heavy temperature fluctuations and mechanical vibrations – a frequent occurrence on the shop floor – are no problem for this special sealant. Even in high humidity, the material does not show any change. After curing, it remains elastic, meaning it can reliably seal expansion joints over the long term.

All properties Standards and technical data Downloads

Able to withstand heavy mechanical force

Cures bubble-free

Highly effective at absorbing motion thanks to elastic properties

Chemical-resistant

Chemical-resistant
elastic
Compatible with natural stone
Compatible with a wide range of materials
UV-resistant
Maximum movement accommodation: 25%
Odourless
Silicone-free
Paint-compatible
Can be covered with paint coats
Resistant to ageing

Standards

DIN EN ISO 15651-1 F25HM Ext.-Int. CC
DIN EN ISO 15651-4 PW25HM Ext.-Int. CC
RAL-RG 161-7

Technical data

Storage life

12 months in a cool and dry place

Density

~ 1,18 (EN ISO 1183-1)

Curing time

~3 mm/24 hours (at +23°C / 50 % relative humidity)

Basis

Polyurethane

Modulus

~ 0,4 N/mm² (EN ISO 8339)

Skin over time

~ 70 min. (23°C/50 % relative humidity)

Elongation at break

~ 600% (EN ISO 8339)

Shore hardness

~ 40 (EN ISO 868)

Colours

grey, black

Movement capability

25%

Processing temperature (substrate, environment)

+5°C bis +35°C

Modulus of rupture

~ 1,4 Mpa (ISO 8339)

Packaging

600ml-foil bags, alternative packaging upon request

Data sheets

322 Pur Pro-TDS-DE-02-2025_1.pdf

PDF, 410 kb

Safety data sheets

322 Pur Pro MSDS Englisch.pdf

PDF, 190.26 kb

Sealing expansion joints

An elastic sealant balances out tension between different structural elements.

Sealing joints in multi-storey car parks

Joints and professional-grade materials in building and construction applications must be able to withstand extreme conditions and absorb mechanical force.