Chem-Set™ MS-35 10.3 oz - White

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Chem-set™ MS-35 is a one-component, high early green strength, high performance, non-sag, multi-purpose elastomeric, silyl-terminated polyether adhesive and sealant. The MS-35 is a great alternative to 100% RTV Silicones (like RTV4500 and Bondaflex) in that the MS-35 combines the sealing capabilities of a silicone but also provides the strength of a Construction Adhesive.

Features & Benefits:

  • Combines best qualities of urethane and silicone sealants 
  • High early green strength/same day painting 
  • Bonds to most substrates without priming 
  • Wide range of applications 
  • Ready to use, labor cost reduction 
  • Easier to match contour of parts 
  • Vibration damping 
  • Improved aesthetics 
  • Low dirt pick-up 
  • Speed and ease of application 
  • Save application steps 
  • Ideal for vehicular applications
Physical Properties Test Method
Cure System Hybrid, Moisture Cure
Movement Capability, % ±25% ASTM C-719
Modulus High ASTM D-412
Physical Properties (Cured) Rubber
Specific Gravity 1.66
Extrusion Rate, g/min.
1/8”orifice @ 50 psi
320 ASTM C-1183
Temperature Range -75˚ F to 220˚ F
Intermittent Temperature Range 250˚ F
Accelerated Weathering (2,000 hrs.) UV-A, No Change QUV Weatherometer
Skin Over Time (min) 20* MNA Method
Tack Over Time (min) 40* ASTM C-679
Cure Rate 1/8" per 24hrs* MNA Method
Tensile Strength (psi) 225 ASTM D-412
Elongation % 450-500 ASTM D-412
Durometer Shore A 46 ASTM C-661
Shelf Life (months) 12
Volatile Organic Content 18 gr./liter
*All properties derived from lab conditions (77˚ F at 50% relative humidity)

Meets the requirements of ASTM C-920, Type S, Grade NS, Class 12.5, Use NT, T, M, G, A, O; TT-S-00230C, Type II, Class A; CAN/CGSB-19.13-M87, AAMA 802.3 Type II, AAMA 803.3, AAMA 805.2, AAMA 808.3 and California Air Resources Board 2003 requirements for Volatile Organic Compound content.

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