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Heritage Science

Table 2 Pencil hardness of AC33, B72, FEVE, and FKM film samples, and tensile strength of samples made by coating reinforcement agents on the Xuan paper

From: Evaluation of commonly used reinforcement materials for color paintings on ancient wooden architecture in China

Film Samples

Pencil hardness

Reinforcement agents applied on the Xuan paper

Tensile lap-shear strength (MPa)

Before degradation

After degradation

Before degradation

After degradation

AC33

HB

2B

AC33

6.37

5.00

B72

2H

H

B72

15.89

12.88

FEVE

H

F

FEVE

6.89

5.67

FKM

HB

B

FKM

4.71

3.55

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