Norm

ASTM D4677-87(2013)

Standard Classification for Rubber Compounding Materials—Titanium Dioxide

48,24

Over deze norm

Status Definitief
Aantal pagina's 2
Commissie D11.20
Gepubliceerd op 01-11-2013
Taal Engels

1.1 This classification covers the compounding material known as titanium dioxide. It is generally used in rubber compounds to impart whiteness to selected products. Typical chemical and physical properties are included.

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Table 1

TABLE 1 Properties of Titanium Dioxide (By Type)

 

Test
Method

Type I
(Anatase)

Type II
(Rutile)

Type III
(Rutile)

TiO2, min, %

D1394

95

92

85

pH

D1208

7–8.0

7–8.0

7–8.0

Coarse particles, max, %

D185

0.2

0.2

0.2

Moisture, max,%

D280

0.7

0.7

1.5

RutileA

D3720

1 % max

99 % min

99 % min

Tint StrengthB

...

...

...

...

BrightnessB

...

...

...

...

A Percent rutile as a percent of total TiO 2 content.
B Test methods to be developed and agreed upon by supplier and user. A basic white sidewall formula could be chosen to generate inherent color properties.

Details

ICS-code 83.040.20
Nederlandse titel Standard Classification for Rubber Compounding Materials—Titanium Dioxide
Engelse titel Standard Classification for Rubber Compounding Materials—Titanium Dioxide

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