Permabond's 6O5O makes it stick

materials news

Permabond’s

6050

Flexible

makes it stick

makes strong

PERMABOND’s 6050 adhesive is said to bond strongly and easily

repairs

to glass reinforced plastic (GRP) laminates

A FLEXIBLE filling compound

but also to metals,

including difficult-to-bond

filler

specifically

alu-

designed

for

the

quick and easy repair of cracks,

minium. The product is expected to be useful for applications

holes and scratches in compos-

where metal stiffening of GRP is

ites

introduced

by

needed,

U-POL Products, London,

UK.

such as bus shelters,

The SMC Application

train interiors and boat hulls. Permabond achieves

claims

the

bonding

high

sive surface

6050

repair

strength

of cars,

recreational

repair

nology

glass reinforced

Structural enables

as

Modified

Technology

(MST)

6050 contains an adhesive promotor is needed. It bonds in 5- 10 minutes.

preparation,

to the metal. 6050 contains

process quicker.

the

need

for

surface

Bonding ADHESIVES important

have

a

which

thus making

played

an

the

The product is also said to exhibit good toughness,

provides

role in the construc-

and

and

rigid sheet

plastics

such

plastic

as

(GRP)

moulding

com-

pound (SMC). It contains fibres

through the oxide layer to stick

avoids

which means no surface preparation

the adhesive to ‘etch’

new adhesive promotor

buses,

The product can be used to

The

company says that a new techknown

trucks, vehicles

marine craft.

after aggres-

preparation.

Specific

Filler is said to be ideal for the

that could previously

only be obtained

is being

An

which give structural strength

be supported

the ad-

to a repair. Once hardened, the

hesive giving way. It bonds in

repair can be sanded and coat-

5-10 minutes.

ed to restore the original finish.

protection

adhesive

Permabond’s

ensur-

ing that much higher loads can

E32,

without

against corrosion

on

tions of the sewage tanks where

provided a system which

a two part

aggressive amines, phenols and

pensed the adhesive at rates of 20 litres/hr; each beam required

based

dis-

tion of the glass reinforced plas-

epoxy, was used to join the GRP

esters are present. It also bonds

tic (GRP) beams used to support

base moulding onto the beams

well

the covers enclosing

a sewage

that support the polyvinyl chlo-

between component

treatment

Howden,

ride (PVC) covers. Permabond

The

a

flow and setting characteristics

March

says E32 was used as it provides

bonding

process as well as an

were tailored to meet the produc-

resistance

adhesive

and Permabond

tion process requirements.

works

UK (Reinforced 1999, page 7).

in

Plastics,

to the harsh condi-

The adhesive used to bond the GRP beams at Howden is corrosion resistant.

to

GRP

and

designers

fills

gaps

10 litres of E32 to bond

the

15 cm wide flanges. The adhesive

parts. required

also

It also bonds well to GRP and fills gaps between component parts.

September

1999

REINFORCEDplastics

15