高硼硅玻璃产品的英文简介

关于玻璃产品的英文简介

高硼硅玻璃

Borosilicate

glass

Borosilicate

glass

is

a

high

silicate

glass

with

at

least

5%

boron

oxide

bow

handle

threaded

rod

with

a

triangular

shaped

handle.

Borosilicate

glass

is

a

particular

type

of

glass,

better

known

under the brand names Pyrex

n.

派热克斯玻璃（一种耐热玻璃）

and

Kimax.

It

was

first

develoed

by

German

glassmaker

Otto Schott in the late 19th century and sold under the brand name

corning

n.

细粒透镜

v.

使成粒状（

的

ing

形式）

Glass

Works

developed

Pyrex

in

1924,

it

became

a

synonym

['sin

?

nim]

n.

同义词；同义字

for

borosilicate

glass

in

the

English- speakin

g

world.

Borosilicate

glass

is

the

oldest

type

of

glass

to

have

appreciable

adj.

可评估的；可感知的；相当可观的

resistance to thermal impact

vt.

影

响；撞击；冲突；压紧

vi.

冲击；产生影响

n.

影响；效果；碰撞；冲击力

and

higher

temperatures,

also

has

excellent

resistance

to

chemical

attack.

In

this

glass

structure,

the

first

to

carry

the

Pyrex

trademark,

some

of

the

SiO?

is

replaced

by

boric

oxide.

Borosilicate

glass

has

a

low

coefficient

of

thermal

expansion

and

is,

thus,

suited

for

telescope

mirrors

and

other

precision

parts.

Also,

because

this

glass

can

withstand

thermal

shock,

it

is

used

for

oven

and

laboratory

ware,

headlamp

['hedl?mp]

n.

桅

灯；

照明灯；

车前 灯

lenses,

and

boiler

gage

glasses.

Most

borosilicate

glasses

have

better

resistance

to

acids

than

do

soda- lime

碱石

灰

glasses,

but

poor

resistance

to

alk alis

'?lk

?

lai]

n.

碱；可溶性无机盐

adj.

碱性的

.

Glass

fibers

used

in

reinforcing

plastic

compounds

['k

?

mpau

a

modified

borosilicate

glass.

nd,

k

m'paund]

n.

化合物；混合物；复合词

are

Chemical

Composition

SiO2

=

80%

B2O3

=

13%

Na2O

+K2O=

4.3%

Al2O3

=

2.4%

?

Physical Properties

Coefficient of expansion (20°

C

–

300°

C) 3.3 x 10-6 K-1

Density 2.23g/cm3

Refractive index

折射率：

(Sodium D line) 1.474

Dielectric

[,daii'lektrik]

adj.

非传导性的；诱电性的

n.

电介质；绝缘体

constant

电容率