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Product Information

HERBITECT® - The innovative, ecological root penetration protection!

HERBITECT® is a longterm proved and FLL-tested agent, which ensures a reliable root penetration protection of bitumen membranes and of their joints. HERBITECT® is used f to produce penetration-proof roof and waterproofing bitumen membranes as well as bituminous material and sealing compounds and insulations and asphalt compounds and for equipping rubber washers and similar products.

HERBITECT® is a brown specific smelling with water mixable ioly fluid. In liquid bitumen and many organic solvents HERBITECT® is easily soluble.

Working tempeature

For working we recommend a maximum temperature of 200°C, temporarily up to 250°C.

Dosage

Roof sheeting
The reference dosage value of HERBITECT® for roof sheeting of at least 4 mm thickness is 0.30 - 0.40 % based on the bitumen weight of the sheeting, while we recommend the following applications:

0.4 % for heavy duty in green roofing (f.e. intense greening and at the usage of only one layer of root protection sheets)
0.3 % für less load in green roofing (f.x. extense greening and at the usage of two layers of root protection sheets)
 
Compounds and cold worked sealants
Based on the total weight we recommend a dosage of 0.20 - 0.25 % of HERBITECT® depending on the hardness of the compounds.
 
Bitumen insulation
Based on the total weight of the insulation with a layer thickness of at least 3 - 4 mm the reference dosage value is 0.23 - 0.25 % of HERBITECT®. When using pure or a high-percentage bitumen with a minimum layer thickness of 2 - 3 mm a reference dosage value of 0.4 - 0.5 % based on the bitumen weight is recommended. For bitumen-sand layers with a low bitumen content the dosage is 0.65 - 0.75 % of HERBITECT® based on the bitumen content.
 
Light-duty road construction/embankment construction
The reference dosage value with HERBITECT® for light-duty bitumen roads and embankments to prevent the penetration by plants is 0.65 - 0.9 % based on the bitumen content.

Rubber seals
0.5 - 1.5 % by weight of HERBITECT® should be added to rubber compounds.

Chemical and physical data

  • Chiroptical purity: op = approx. 98 % R(+) isomeric ratio
  • Density: 1,04 kg/l
  • Vapour pressure: 0,00024 Pa at 22°C
  • Decomposition Temperature: at 230-240°C and a period of 10 h no decomposition
  • Igination temperature: approx. 400 °C
  • Solubility in Water: insoluble, not mixable

Storage

Storage period is at least 3 years if kept in sealed original containers under proper storage conditions.

Safety-relevant inforamtion / marking

All indications of the current safety data sheet and all legal regulations must be abserved.

Tested security

HERBITECT bitumen membranes meet the
DIN, FLL, EN, SIA, LDA root protection tests!

Product information

Universal for bituminous building
materials, sealants and asphalt mixtures.