No_5_1955 — Page 68

illustrates

the gap tests. The other urea-formalde- clude all occasions when the capacity to Durham University, England, hyde resin fails to reach the specification withstand boiling water may be require.. the truth of this statement. requirement in either test.

(Special forms of Aerolite are, however,

The investigations were carried out with And note, too, how the 'Aerolite close boiling-water proof and are used in the

test pieces of 3 in. x 11 in. European contact joints behaved after two years.

manufacture of plywood and for veneer- Redwood and the methods of jointing and how the other urea-formaldehyde re-

ing etc.). And Aerolite is, of course. used were nailing, screwing, bolting, at- intended only for bonding wood to wood taching by timber connectors, riveting sin failed altogether after that time. Even

to laminated

'Formica'. and gluing. plastics more significant 'Aerolite' has be-

'Aeroclux" 'Klingdecor' etc.-where

185 haved better than any of the other resins.

offers good adhesion to such materials as regardless of type.

porcelain, rubber, concrete, cork and as jointing bestos as well as wood.

was second In the gap tests 'Aerolite' only to one of the resorcinols and this resorcinol was 'Aerodux* 185. The dif ference in performance was not, however, significant an average overall failing load of approximately 592 lbs against 567 lbs. Notwithstanding these results there are occasions when a resorcinol resin ('Aero- dux' 185) should be used and these in-

ог

Tables

'Aerolite' the others.

4

3 and show how the various methods compared; how the bonds were far stronger than

It is, therefore, hardly

sur-

In building work, 'Aerolite' can be used prising that this glue is being used to for every job in which a permanent joint very large extent for building work in is required. This even includes large roof Great Britain. structures, because, as already indicated, 'Aerolite' gives a much stronger joint than any other known method.

In Hong Kong 'Aerolite' and 'Aerodux', which are made by Aero Research Limited, of Cambridge, England, are obtainable

A series of investigations conducted at through CIBA (China) Limited.

This double lap joint of European Redwood glued with 'Aerolite' synthetic resin glue was tested to destruc- tion. At a load of 71 tons, fracture occurred in the wood but the glue line remained intact. This is an instance of the strength of 'Aerolite'

the modern

builder's and woodworker's glue.

'Aerolite' stands the stress of 71⁄2 tons.

(SYNTHETIC RESIN GLUE)

Equally important are its durability, its complete resistance to moisture,

even to years of immersion in water, and its immunity to attack by moulds, and

micro-organisms. This is why 'Aerolite' is being used increasingly in the building and woodworking industries to-day, for roof trusses. flush doors, sills, frames and all kinds of wood. working processes, particularly under severe weathering conditions.

'Aerodux' - the all-purpose glue.

A cold-setting gap-filling adhesive, resistant to boiling water, for bonding wood and various other materials which include:- asbestos, brick, concrete, and unglazed porcelains, cork, papuedza materials such as Onazote. laminated plastics such as Formica and Warerite.

products of AERO RESEARCH LIMITED

DUXFORD, CAMBRIDGE, ENGLAND.

-- a CIBA factory

Further Particulars may be obtained from the Representatives CIBA (CHINA) LIMITED

FRENCH BANK BLDG., 1st FL.

—

5 QUEEN'S ROAD, C., HONG KONG

TELEPHONE: 24009

Sole Distributors for Aerolite' in Hong Kong SCIENTIFIC SERVICE COMPANY

447/448, ALEXANDRA HOUSE,

HONG KONG.

66

TELEPHONES: 27420, 37686.