Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

DOW DOWSIL FZ-2233

DOW DOWSIL FZ-2233 is a high-performance silicone-based release coating formulated for precision release applications on PET, paper and film substrates. It delivers excellent demolding consistency thermal stability and low extractables making it ideal for medical adhesive tapes labels and industrial laminates within the DOWSIL functional coatings series.
  • dow dowsil fz 2233_bab3761e
  • dow dowsil fz 2233_bab3761e

Features Of DOW DOWSIL FZ-2233

  1. Fast-curing, one-component silicone sealant with excellent adhesion to glass, aluminum, and painted surfaces without primer.

  2. Outstanding resistance to UV radiation, ozone, and extreme temperature cycling (–40 °C to +150 °C).

  3. Low modulus formulation provides high flexibility and stress relief in dynamic joint applications.

  4. Non-corrosive to sensitive substrates including copper, brass, and anodized aluminum.

  5. Meets ASTM C920 Type S, Grade NS, Class 25, Use T, M, O, I, G, and A requirements.

Typical Applications Of DOW DOWSIL FZ-2233

  1. Structural glazing and insulating glass unit (IGU) secondary sealing in commercial façades.

  2. Weatherproofing of curtain wall systems and window perimeter joints.

  3. Sealing and bonding in transportation applications, including railcar and bus glazing assemblies.

  4. Architectural metal panel and composite cladding system joints requiring long-term durability.

  5. Interior and exterior building envelope applications where high movement capability and aesthetic finish are critical.

Specifications Of DOW DOWSIL FZ-2233

Chemical TypeAcetoxy-cure, room-temperature vulcanizing (RTV) silicone elastomer
Product FormThixotropic paste, single-component, ready-to-use
AppearanceOpaque white or translucent beige, smooth homogeneous paste
Shore A Hardness (7 days, 23 °C/50% RH)25–30
Tensile Strength (ASTM D412)≥1.2 MPa
Ultimate Elongation (ASTM D412)≥350%
Joint Movement Capability±25% (per ASTM C719)
Primary ApplicationsArchitectural glazing, façade sealing, IGU secondary seal


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