A. YANG THAI MANUFACTURING 1992 - THINK ABOUT RUBBER THINK ABOUT US!

Our compounding section involved with various material on the table is a small guide for rubber selection. If you need more information please contact our engineering staff.

Data Chart For Rubber

Properties	Natural Rubber	SBR	EPDM	Neoprene	NBR	CPE	Vamac	Silicone	Viton®

Hardness Range Shore A	30-95	40-95	30-85	30-90	40-100	40-85	45-90	30-80	60-95

Cost Factor	1	1	2	2	2	3	4	6	15

Heat Resistance °C Max. Continuous	75	85	130	95	100	130	150	205	205
Max. Intermittent	105	115	150	125	130	160	180	300	300

Low Temp Resistance °C	-60	-55	-50	-35	-20	-25	-40	-60	-20

Resistances
Oxidation	Fair	Fair	Excellent	Very Good	Good	Excellent	Excellent	Excellent	Outstanding
Ozone & Weathering	Poor	Poor	Outstanding	Very Good	Fair	Outstanding	Excellent	Outstanding	Outstanding

Oil Resistance °C
ASTM Oil No.1 20	Poor	Poor	Poor	Excellent	Excellent	Excellent	Excellent	Excellent	Excellent
100	Unsatisfactory	Unsatisfactory	Unsatisfactory	Good	Good	Good	Excellent	Good	Excellent
ASTM Oil No.3 20	Unsatisfactory	Unsatisfactory	Unsatisfactory	Good	Excellent	Excellent	Excellent	Good	Excellent
100	Unsatisfactory	Unsatisfactory	Unsatisfactory	Fair	Good	Fair	Good	Fair	Excellent

Fuel Resistance ASTM FUEL B @40° C	Unsatisfactory	Unsatisfactory	Unsatisfactory	Poor	Fair	Poor	Unsuitable	Unsuitable	Excellent

Chemical Resistance
Acids	Fair	Fair	Fair	Good	Good	Very Good	Fair	Fair	Excellent
Bases	Good	Good	Good	Fair	Fair	Good	Good	Fair	Good

Physical Strength	Excellent	Good	Good	Good	Good	Good	Good	Poor	Good

Compression Set	Good	Good	Good	Fair to Good	Good	Fair	Fair	Good	Good

Tear & Abrasion	Excellent	Good	Good	Good	Good	Good	Good	Poor	Good

Resilience	Excellent	Good	Very Good	Very Good	Good	Fair	Fair	Good	Fair

Permeability to Gas	Poor	Fair Poor	Fair Poor	Poor	Low	Low	Very Low	Fairly Low	Very Low

Electrical Strength	Excellent	Excellent	Excellent	Good	Poor	Good	Good	Excellent	Good

Flame Resistance	Poor	Poor	Poor	Very Good	Poor	Good	Fair	Good	Very Good

Water Resistance	Very Good	Good	Excellent	Good	Good	Very Good	Good	Good	Good

Vito is a registered trademark of DuPont Dow Elastomers.

In addition, the table below shows special materials we also handle, for which specifications can be provided on request

ECO (Ephichlorohydrine)	Santoprene	Fluorosilicone
P.U. casting type	Acrylic Rubber	TPE various type
P.U Millable Type	HNBR	TPU various grade