Chemtronics Chemask HT - High Temperature CMHT8 - Manual

PRODUCT DESCRIPTION
Chemask

HT is a fast curing, peelable
temporary spot mask formulated for safe use for
long
term heat protection at elevated
temperatures. Chemask

HT may be used to
protect pins, posts, contacts and edge
connections in the solder reflow oven or during
conformal coating processes.

Stable to 550

F (288

C)

Stable at long temperature exposure up to 300
o
F

For lead-free or tin/lead processes

Phthalate-free, low toxicity and environmentally
safe

Compatible with rosin, water soluble fluxes and
cleaning solvents

Dries tack free in 15 minutes

Goes straight into the pre-heat oven

Removes easily and leaves no residue

Non-contaminating, non-staining and non-
corrosive

Compatible with gold, copper, nickel, silver and
OSP finishes

RoHS compliant
TYPICAL APPLICATIONS
Chemask

HT protects:
 Protects component-free areas during wave and
reflow soldering
 Components and pin connectors
 Temperature sensitive components during wave
or reflow soldering
TYPICAL PRODUCT DATA AND
PHYSICAL PROPERTIES
Base Material Synthetic Resin
Color Green
Odor Odorless
Flux Compatibility All Types
Process Compatibility Wave soldering
& Reflow
Solder Compatibility Lead-free & Tin/Lead
Temperature Stability 550

F
Tack-Free Drying Time
(10 mils @ 77

F)
15 min.
Cure Time
(10 mils @ 77

F)
30 min.
Viscosity @ 77

F 50,000 cps
Viscosity Adjusted With DI water
Flash Point Nonflammable
Weight/Gallon 8.75 lbs.
Shelflife 2 years
RoHS compliant Yes
COMPATIBILITY
Chemask

HT is generally compatible with most
materials used in printed circuit board
fabrication. As with any solder masking agent,
compatibility
with substrate should be
determined on a non-critical area prior to use.
TDS# CHT
CHEMTRONICS
Technical Data Sheet
Chemask

HT
High Temperature Solder Masking Agent
The high temperature, peelable, temporary mask safe for use on sensitive metals