Which of following properties are the problem natural rubber in practical application?
A.Aging resistance
B.Chemical resistance
C.Resilience
D.Waterproof
正确答案:Aging resistance;Chemical resistance
Which of following properties are the problem natural rubber in practical application?
A.Aging resistance
B.Chemical resistance
C.Resilience
D.Waterproof
正确答案:Aging resistance;Chemical resistance