ASCOBOND 450 is Styrene Butadiene Rubber Latex designed to improve the waterproofing, bonding, physical properties and integrity of Cementitious mortars, screeds and concretes. ASCOBOND 450 also act as a bonding agent / sealer to concrete, plaster or other porous substrates. ASCOBOND 450 improves durability, compressive, tensile and flexural properties of modified mixes. In addition, screeds and renders can be waterproofed, greatly improving their resistance to abrasion, frost, water vapor transmission and chemical attack. It is suitable for horizontal or vertical applications both internally and externally. In certain applications ASCOBOND 450 provides a simple, easy to use and cost saving alternative to epoxy and polyester resin based systems.Complies with ASTM C 1059 Type 2

Key Features & Benefits

Highly versatile

Enhances the flexural and tensile strength

Waterproof cementitious systems

Reduces shrinkage cracking

Improves strength & durability of mortar


As Neat Bonding Agent

As neat Bonding Agent: 5 - 7 per liter per coat.

As Waterproofing Slurry

As A Waterproofing Slurry: 2 - 2.5 in two coats.

As Additive

As an Additive to tile adhesives, bedding mortars, sand renders, plasters and screeds, the dosage may vary from 10-20 % by weight of cement.

Shelf Life and Packaging

Shelf Life

12 months from production date if stored in original, unopened packaging, in places protected from moisture, sun exposure and frost.


ASCOBOND 450 is available in 1, 5, 20, 50 & 200 Liter. packing in Jerry Can or Bucket with sealed cap.