Donseal
PU440

One component, non sag, elastomeric polyurethane sealant with high tear and weather resistance (Formerly known as Flexseal PU440)

Advantages

Very easy and economical to use.
One component.
Excellent ageing resistance.
Paintable.
Excellent acoustic properties.
Remains elastic at temperatures down to -22^oF (-30^oC).
Good resistance to microorganisms and a variety of chemicals.
Good adhesion to most surfaces without the need for priming.

Description

Donseal PU440 is a one-component non-sag polyurethane sealant that cures by reacting with air humidity to form a tough and highly elastic low modulus sealant. Donseal PU440 has a very wide service temperature range. Suitable for vertical and horizontal joints.

Packaging

Donseal PU440 is available in 20.2 fl . oz. (600 ml) sausages, and in 10.1 fl . oz. (300 ml) moisture proof cartridges.

Storage

Donseal PU440 should be stored in original unopened packages at temperatures between 40^oF and 77^oF (4^oC and 25^oC) in a dry place.

Shelf Life

Donseal PU440 has a shelf life of 12 months from date of manufacture if stored under the recommended conditions.

Standards

Donseal PU440 complies with:

ASTM C920, Type S, Grade NS, Class 25, Use NT, T, A and M.
U.S. Federal specification TT-S-00230C, Type 2, Class A.
ISO 11600, Type F, 25 LM.
EN 15651-1:2012, F-EXT-INT-CC.
DIN 18540-F.

Applications

General sealing of construction and expansion joints.
Basement walls.
Precast concrete elements.
For concrete, wood, marble, aluminium, steel, ceramic, gypsum boards, etc.

Download file

TDS

TDS Donseal PU440

SDS

SDS Flexseal PU440

Connect with Don Construction Products

Complaints Record Form

Customer Satisfaction

Don Construction Products Inc.

Headquarters

2826 Lineberger Industrial Dr.

Lancaster, SC 29720

Tel: +1 803 286 5430
Fax: +1 803 286 5432

E-mail: info.usa@dcp-int.com

Name *
Email *
Phone
Address
Subject
Request
Security Code *

DonsealPU440