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RTV Product Grade

HK-38S-80(Low Density Silicone RTV)

Purpose

Use of sealing materials for openings and penetrations of fire and pressure barrier

Characteristic

• A/B Mix 5 minutes each, weight/volume 1:1 for about 3 to 5 minutes
• Full hardening takes 24 hours (Snap time approximately 40 to 60 minutes)
• There are some differences depending on temperature

Separation Characteristic A-liquid B-liquid
Before Hardening Principal Components Silicon Silicon
Viscosity (23°C) 45~90Poise 45~90Poise
Color Black White
Specific gravity (23°C) 1.05~1.10 1.05~1.10
Mix ratio 1:01
Working Hours After Mixing 2~5 Minutes
Full hardening time 24 hours
Storage Temperature 32℃ Max
After Hardening Color Black
Expansion ratio 200~300%
Density 14~28 lb/ft3
Cell Structure Closed Cell
Available Temperature -70℃~200℃
Oxygen Demand at Combustion >28
Product same-sex status None
Fireproof T/F Class (FS012, KSF2842, UL-1479, ASTM E-814)
Radiation 1×108Rad (ASTM E-1027)
Ventilation Seal No leakage with 5” of water pressure head
Flame Spread Index (ASTM E-84) 25 or less
Asbestos Free Yes
Hallogen Free Yes

HK-38S-120 (High Density Silicone RTV)

Purpose

Enclosure of openings and penetrations requiring gamma-ray blocking of the Fire, Pressure and Radiation Barrier

Characteristic

• A/B Mix 5 minutes each, weight/volume 1:1 for about 3 to 5 minutes.
• Full hardening takes 24 hours (Snap time approximately 40 to 60 minutes).
• There are some differences depending on temperature.

Separation Characteristic A-liquid B-liquid
Before Hardening Principal Components Silicon Silicon
Color Gray White
Specific gravity (23°C) ≥2.25 ≥2.25
Mix ratio 1:01
Working Hours After Mixing Within 30 Minutes
Full hardening time 24 hours
Storage Temperature 32℃ Max
After Hardening Color Dark Gray
Density ≥140 lb/ft3
Available Temperature -70℃~200℃
Oxygen Demand at Combustion >28
Product toxicity present None
Fireproof T/F Class (FS012, KSF2842, UL-1479, ASTM E-814)
Product same-sex status 1×108Rad (ASTM E-1027)
Flood Seal ≤0.01Gallon Min. @15psi
Comoartment Pressurization ≤0.001CFM/ft/psi
@Steam pressure difference 8 psi
Ventilation Seal No leakage with 5” of water pressure head
Flame Spread Index (ASTM E-84) 25 or less
Asbestos Free Yes
Hallogen Free Yes

HK-38S-140 (Boot Fabric)

Purpose

Fire, install on top of Sleeve & Pipe when there is movement on the pipe or conduit of Steam Line Barrier

Characteristic
Thickness .031”(0.79mm)min
Service Temperature 200°F min
internal radiation 1×108Rad (ASTM E-1027)
Flood Seal ≤0.01Gallon Min. @15psi
Compartment Pressurization Seal ≤0.001CFM/ft/psi @Steam pressure difference 8psi
Ventilation Seal No leakage with 5” of water pressure head
  • Company name HKSB Co., Ltd.CEO Cho in sukTEL 041-555-7712FAX 041-565-7712E-MAIL hksb7712@naver.com
  • Address 92, Buldang 22-daero, Seobuk-gu, Cheonan-si, Chungcheongnam-do, Republic of KoreaBusiness Registration No. 646-86-01643
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