AG Jotamastic 90 (5) .pdf

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Application Guide
Jotamastic 90

Substrate temperature
Relative Humidity (RH)

-5 - 60
10 - 85


The following restrictions must be observed:

Only apply the coating when the substrate temperature is at least 3 °C (5 °F) above the dew point
Do not apply the coating if the substrate is wet or likely to become wet
Do not apply the coating if the weather is clearly deteriorating or unfavourable for application or curing
Do not apply the coating in high wind conditions

Product mixing
Product mixing ratio (by volume)
Jotamastic 90 Comp A

3,5 part(s)
1 part(s)

Jotamastic 90 Standard Comp B
Jotamastic 90 Comp A
Jotamastic 90 Wintergrade Comp B

3.5 part(s)
1 part(s)

Product mixing
Independent on substrate temperature the minimum temperature of the mixed base and curing agent is 10 °C.
Lower temperature may require additional thinner to reach correct application viscosity. Additional thinner gives
lower sag resistance and slower curing. If addition of thinner is required, this shall be done after mixing of the
two components.

Induction time and Pot life
Paint temperature

23 °C

Standard grade
Pot life


Winter grade
Pot life

45 min

The temperature of base and curing agent is recommended to be 18 °C or higher when the product is mixed.

Thinner/Cleaning solvent

Jotun Thinner No. 17

Application data
Airless Spray Equipment
Pump ratio (minimum) :
Pump output (litres/minute) :


Pressure at nozzle (minimum) :
Nozzle tip (inch/1000) :
Filters (mesh) :

150 bar/2100 psi

Date of issue:

8 February 2017

Page: 6/13

This Application Guide supersedes those previously issued.
The Application Guide (AG) must be read in conjunction with the relevant specification, Technical Data Sheet (TDS) and Safety
Data Sheet (SDS) for all the products used as part of the coating system.
For your nearest local Jotun office, please visit our website at

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