PRIMARY MASTIC (SHC 104-91)


Brand
:
SAMHWA CHEMICALS
Supplier
:
INSULREF SDN BHD
Email
:
sales@insulref.com
Phone
:
0126829356
Location
:
Selangor, Malaysia



MAIN APPLICATION

  • The ideal finish for cold insulation including cellular glass, PIR
  • Tough, flexible, fire-resistant elastomeric finish
  • Excellent vapour barrier
  • Outdoor use with good colour retention, chemical and UV resistance

 

SHC 104-90/91 is a chlorosulfonated polyethene (CSPE) rubber based mastic.

 

COLOR

 

WATER VAPOR PERMEANCE (ASTM E 96)

104-90: White

 

0.024 perms @ 1.3㎜ DFT

104-91: Gray

 

 

 

 

WET FLAMMABILITY (ASTM D 3278)

APPLICATION TOOL

 

Flash Point: ≥43℃

Trowel, Rubber glove

 

 

 

 

SURFACE BURNING CHARACTERISTICS (ASTM E 84) 

AVERAGE WEIGHT / LITER (ASTM D 1475)

 

Class 1 or A

1.25 ±0.05 kg/Liter

 

 

 

 

REMARKS

AVERAGE NON-VOLATILE (ASTM D 2369)

 

 

42% ±2.0 by volume

 

Store and apply between 4℃ and 38℃.

60% ±2.8 by weight

 

 

 

 

Contains no asbestos, lead, mercury or mercury compounds.

COVERAGE RANGE (SHTM 13)

 

 

(Subject to the type of surface and nature of the material being coated) 2.6 kg/㎡

 

Always test plastic material for compatibility when using a solvent-based product.

Wet Film Thickness: 2.1 ㎜

 

 

Dry Film Thickness: 0.9 ㎜

 

Chlorosulfonated polyethene rubber is also known as Hypalon, a trademark of Dupont Performance Elastomers, which is no longer produced by Dupont.

 

 

 

 

DRYING TIME (25℃ 50%RH) (ASTM D 1640)

 

 

Set To Touch: 5 hours

 

 

Dry Through: 48 hours

 

 

 

 

 

SERVICE TEMPERATURE LIMITS (SHTM 08)

 

 

(Temperature at the coated surface)

 

 

-46℃ ~ 104℃

 

 


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