Glass composition for glass fibers, glass fibers, glass fiber fabric, and glass fiber-reinforced resin composition

1. A glass composition for glass fiber comprising:

SiO 2 in a range of 52.0% by mass or more and 56.0% by mass or less;

B 2 O 3 in a range of 21.0% by mass or more and 24.5% by mass or less;

Al 2 O 3 in a range of 9.5% by mass or more and 13.0% by mass or less;

MgO in a range of 0% by mass or more and less than 1.0% by mass;

CaO in a range of 0.5% by mass or more and 4.8% by mass or less;

SrO in a range of 0.5% by mass or more and 6.0% by mass or less;

ZrO in a range of 0.0% by mass or more and 0.5% by mass or less; and

TiO 2 in a range of 0.1% by mass or more and 3.0% by mass or less; and comprising

at least one of F 2 and Cl 2 , wherein a collective amount of F 2 and Cl 2 is in a range of 0.1% by mass or more and 2.0% by mass or less.

2. The glass composition for glass fiber according to claim 1 , wherein a content M (% by mass) of MgO, a content C (% by mass) of CaO, a content S (% by mass) of SrO, and a content T (% by mass) of TiO 2 satisfy following formula (1):

0.60 ≤S 3/2 /{( M+S+T )× C 1/2 }≤1.07  (1).

3. The glass composition for glass fiber according to claim 2 , wherein the M, C, S, and T satisfy following formula (2):

0.66 ≤S 3/2 /{( M+S+T )× C 1/2 }≤1.07  (2).

4. The glass composition for glass fiber according to claim 3 , wherein the M, C, S, and T satisfy following formula (3):

0.66 ≤S 3/2 /{( M+S+T )× C 1/2 }≤0.78  (3).

5. Glass fiber formed from the glass composition for glass fiber according to claim 1 .

6. A glass fiber woven fabric comprising the glass fiber according to claim 5 .

7. A glass fiber-reinforced resin composition comprising the glass fiber according to claim 5 .