Hi Flex Construction - MS Polymer Based Hybrid Sealant

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Price Per Unit: $10.90

Price Per Box: $9.81

Hi-Flex Construction is a high-performance MS Polymer sealant for Australian trade professionals. It offers outstanding adhesion, weather resistance, and movement capability, making it perfect for various construction and industrial applications.
Vendor: Adheseal
Availability: In Stock

Physical Properties

Type of product: Ms polymer
Curing system: Neutral
Density (specific gravity): 1.45 +/- 0.05 astm d1475
Consistency: Non sagging paste
Elongation at break: 1100% approx. astm d412
Application temperature: 5°c to 40°c
Service temperature: -40°c to 100°c
Movement capability: ± 50% astm c719
Hardness: Shore a 25 approx. astm d2240
Voc: 1.10% (usepa)
Shelf life: 12 months
Clean up: Mek, toluol, some industrial cleaning wipes
Colours: Matt grey, matt black, white
Staining: Non staining as per - astm c510 & astm c1248

Shipping & Delivery

$15.95 shipping on all orders nationwide for most products

Hi Flex Construction - MS Polymer Based Hybrid Sealant

Vendor: Adheseal

Hi Flex Construction - MS Polymer Based Hybrid Sealant


Vendor: Adheseal

Hi Flex Construction - MS Polymer Based Hybrid Sealant

Size: 600ml
Colours: Black
Package Type: Single Buy

Hi-Flex Construction is a high-performance, single-component elastomeric joint sealant based on Hybrid MS Polymer technology. Its neutral cure and low modulus formulation offer exceptional movement capabilities, while its excellent UV and weathering resistance ensure long-lasting performance in all Australian climates. Hi-Flex Construction provides outstanding primerless adhesion to most common construction substrates, resists gassing and bubbling, and is suitable for a wide range of construction, manufacturing, automotive, and marine applications.

Key Features:

  • Outstanding primerless adhesion on non-porous substrates
  • Movement capability up to +/- 50%
  • Non-bleeding and non-staining
  • Free of isocyanates, solvents, and acids
  • Excellent UV and weathering resistance
  • Easy gunning and tooling
  • Low VOC and Green Star Compliant
  • Paintable

Joint Design:

The sealant joint should be designed to accommodate the sealant's compression and extension capabilities in relation to the anticipated joint movement. Calculate joint width based on a maximum of +/- 50% of the original width. Minimum joint size should be no less than 3mm, and a 2:1 width to depth ratio with a minimum 6mm depth is recommended for movement joints. Suggested joint sizes include 6x6mm, 10x6mm, 16x8mm, and 20x10mm.


  • General purpose sealant
  • Expansion and construction joints
  • Sealing and finishing external wall and cladding joints
  • Waterproofing applications such as fillet joints
  • Sealing joints in prefabricated buildings or concrete panels
  • Window fixing and commercial shop fronts
  • Bonding and sealing in automotive and marine manufacturing


  • Provides a durable, flexible, and long-lasting seal
  • Accommodates significant joint movement without compromising performance
  • Maintains aesthetic appeal with non-bleeding and non-staining properties
  • Safe and easy to use with no harmful chemicals
  • Withstands harsh Australian weather conditions
  • Ensures watertightness in various applications
  • Reduces environmental impact with low VOC content
  • Offers versatility for multiple industries

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