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Acetoxy Cure GP Silicone Sealant Supex 200


GP Silicone Sealant

Supex 200 is an one part acetoxy cure GP Silicone sealant. It is suitable for general construction sealing and bonding applications. This product will adhere to clean metal, glass, many types of wood, silicone resins, vulcanized silicone rubber, ceramics and plastic surfaces. Ease of use, one-part sealant, no mixing required. Good weatherability – virtually unaffected by sunlight, rain, ozone, and temperature extremes. Long life reliability, cured sealant stays rubbery from –50°C to 150°C without tearing, cracking, drying out, or becoming brittle. Check our more sealant products here 

Technical Data

  • Cure:                                Acetic
  • Specific gravity:          0.95
  • Extrusion:                      700 ml/min
  • Tack free time:            10-15 minutes
  • Shore A Hardness:     15
  • Elongation:                  400%
  • Tensile Strength:      0.8 Mpa

Uses of Supex 200 GP

Supex 200 GP silicone sealant is ideally suited for sealing, glass, windows, shopfront, aluminium joints, showcases, bus body building and automobiles.

Building- and construction joints
Glazing and connection joints
elastic joints in coldstore and container applications
Sealings in air condition systems
General sealing for automotive applications.

Type: all usual surfaces, except PVC, PE, PP, PTFE and bituminous surfaces
State of Surface: clean, dry, free of dust and grease
Preparation: apply Primer  for applications on porous surfaces – no primer required for non porous surfaces.
We recommend a preliminary compatibility test.


  • Not to be used in aquariums.
  • Do not use for structural glazing.
  •  Not recommended for use in below ground joints or where abrasion and physical abuse are encountered.
  • Do not apply to surfaces that require painting or to masonry substrates such as concrete, marble, limestone, and brick.

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How to use Silcone sealant

Make sure the joint design is correct. Proper joint design minimizes stresses on the sealant. Clean the joint surface on both new and old jobs. Surfaces must be clean, dry, and sound. Use masking tape where bead lines of exact shapes are required. Masking tape should be removed immediately after a bead is completed before a skin begins to form. Apply sealant to dry, clean surfaces. An air-operated or hand operated cartridge gun may be used. Do not break cartridge seal until just before use. Surfaces  should be dried before the sealant is applied. Uncured sealant can be cleaned from tools using commercial solvent. Tool joint, if required, and remove masking tape. Tool immediately after sealant is applied and before a skin begins to form. Do not use soap or oil as a tool aid. Remove masking tape immediately after tooling is completed


cartridge 260ml, 280ml Colour: clear, white, black, grey Shelf life and storage: 12 months from date of manufacturing in unopened packaging stored in a cool and dry place at recommended temperatures between +5°C and +25° C. Health- and Safety Recommendation: Apply the usual industrial hygiene. Consult the label for more information.
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