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REFERENCE OILS （參比油），滿(mǎn)足ASTM測(cè)試標(biāo)準(zhǔn)ASTM D471的測(cè)試要求,是專(zhuān)用于各種橡膠材料，浸在礦物油時(shí)，測(cè)試是否膨脹，從而計(jì)算出橡膠材料的膨脹率和膨脹系數(shù)

Reference Fuel A

COMPONENT	CAS NUMBER	AMOUNT	EINECS / ELINCS	SYM	R-Phrases
Isooctane	540-84-1	99.95 % weight	208-759-1	F, Xn, N	R67, R65, R50/53, R38, R11
Octane Isomers	26635-64-3	0.04 % weight	247-861-0	F, Xn, N	R11, R67, R50/53, R38, R65
n-Heptane	142-82-5	0.01 % weight	205-563-8	F, Xn, N	R11, R38, R67, R50/53, R65

PHYSICAL AND CHEMICAL PROPERTIES
Appearance and Odor: Colorless liquid. Mild odor.

Autoignition: NDA

Boiling Point: 99°C （210.2°F）

Evaporation Rate: NDA

Flammability （Explosive） Limits （% by volume in air）:

Lower: 1 Estimated

Upper: 7

Flashpoint: -8°C （17.6°F）（Tag Closed Cup）

Molecular Formula: C8H18

Molecular Weight: 114.26 g/mol

____________________________________________________________

Reference Fuel B

COMPONENT	CAS	AMOUNT	EINECS	SYM	R-PHRASES
	NUMBER
Isooctane	540-84-1	70 % weight	247-861-0	F, Xn, N	R38, R50/53, R11, R65,R67
Toluene	108-88-3	30 % weight	203-625-9	F Xn	R67, R65, R63, R38,R48 20, R11

PHYSICAL AND CHEMICAL PROPERTIES

APPEARANCE AND ODOR: Colorless liquid. Mild hydrocarbon odor.

pH: NA

VAPOR PRESSURE: 1.5 psia @ 37.8 ºC （100°F）

VAPOR DENSITY （AIR=1）: 3.5

BOILING POINT: 99°C （210.2°F） - 110°C （230°F）

SOLUBILITY （in water）: Negligible

PERCENT VOLATILE: 100 % volume

FREEZING PT: -94.4°C （-137.92°F）

MELTING POINT: -95°C （-139°F）

SPECIFIC GRAVITY: 0.748 @ 15.6 ºC （60°F）

DENSITY: 0.7484

EVAPORATION RATE: >1

Reference Fuel C

Component

CAS-No.

Weight %

Toluene

108-88-3

40 - 70

2,2,4-Trimethylpentane （Isooctane）

540-84-1

30 - 60

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE: Liquid

COLOR: Colorless

ODOR: gasoline-like

FLASH POINT: -1 °C （30 °F） Method: Tag closed cup

Lower explosion limit: 1 %（V）

Upper explosion limit: 7 %（V）

Boiling point/boiling range: 99 - 110 °C （210 - 230 °F）

Vapor pressure: 1.60 PSI at 37.8 °C （100.0 °F）

Relative density: 0.78, 15.6 °C（60.1 °F）

Water solubility: Negligible

Relative vapor density: 3.4 （Air = 1.0）

Evaporation rate: > 1

Percent volatile: > 99 %

____________________________________________________________

Reference Fuel D

COMPONENT	CAS NUMBER	AMOUNT		EINECS / ELINCS	SYM	R-PHRASES
Isooctane	540-84-1	50 -	55 % weight	208-759-1	F, Xn, N	R38, R50/53, R65, R11, R67
Toluene	108-88-3	45 -	50 % weight	203-625-9	F Xn	R63, R38, R48/20, R11, R65, R67

PHYSICAL AND CHEMICAL PROPERTIES

Appearance and Odor: Colorless liquid. Mild hydrocarbon odor.

Autoignition: 528°C （982.4°F）

Boiling Point: 99°C （210.2°F） - 110°C （230°F）

Evaporation Rate: >1

Flammability （Explosive） Limits （% by volume in air）:

Lower: 1 Estimated

Upper: 7

Flashpoint: -3°C （26.6°F）（Tag Closed Cup）

Molecular Formula: Mixture

Molecular Weight: NDA

Melting Point: NDA

Octanol / Water Partition Coefficient: log-Kow: NDA

pH: NA

Pour Point : NDA

Solubility （in water）: Negligible

Specific Gravity: 0.76 @ 15.6 ºC （60°F）

Vapor Pressure: 1.5 psia @ 37.8 ºC （100°F）

Vapor Density （AIR=1）: 3 - 4

Viscosity: NDA

Percent Volatile: 100 % volume

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