ALPHA BETA Fiberglass Product Co., Ltd

Products · AGM Battery Separators & Pasting Paper · Est. 1993

Seven series. One for every battery you build

Glass microfiber separators and pasting paper, matched to duty cycle — from start-stop cranking to ten-year float. Select a series below to read its numbers.

7 application series 18,000 t annual capacity IATF 16949 all 3 plants certified
The range

Pick by duty cycle. Verify by number

Every series plotted on one thickness axis. Select a row to read its datasheet extract — density, fiber diameter, and compression behaviour from 10 to 100 kPa.

Series 01 / 07 — Datasheet extract AGM · glass microfiber

Automotive Start-Stop

Dual fiber-diameter separator for start-stop AGM batteries — built for high vibration and deep cycling.

Thickness range @100 kPa (0.8–1.5) ±5%mm
Density 220 ±10g/m²·mm
Avg. fiber diameter 1 1.0–3.0μm
Avg. fiber diameter 2 5.0–10.0μm
Specific surface area (BET) ≥ 1.6m²/g
Avg. beating degree ≥ 35°SR
Compression · 10→100 kPa compression dry recovery wet recovery
1.45 mm 0.92 mm 1.6 0.8 0 10 40 70 100 kPa

Thickness (mm) vs test pressure. Approximate values read from printed catalogue curves.

Puncture resistance increased by over 100%
Wet tensile strength increased by 103% for longer service life
Great mechanical strength for high-speed automated assembly
Open series page → Request full TDS
Series 02 / 07 — Datasheet extract AGM · glass microfiber

SLI

The workhorse separator for automotive starting, lighting and ignition batteries.

Thickness range @100 kPa (0.8–1.5) ±5%mm
Density 220 ±10g/m²·mm
Avg. fiber diameter 0.5–2.0μm
Compression · 10→100 kPa compression dry recovery wet recovery
1.71 mm 1.17 mm 2 1 0 10 40 70 100 kPa

Thickness (mm) vs test pressure. Approximate values read from printed catalogue curves.

High-rate discharge performance for reliable engine starting
Great puncture resistance
Great electrolyte stratification resistance
Open series page → Request full TDS
Series 03 / 07 — Datasheet extract AGM · glass microfiber

Motorcycle

High-rate separator for motorcycle ignition and lighting batteries, miner’s lamps and electric toys.

Thickness range @100 kPa (1.0–1.5) ±5%mm
Density 210 ±10g/m²·mm
Avg. fiber diameter 0.5–3.0μm
Specific surface area (BET) ≥ 1.4m²/g
Avg. beating degree ≥ 30°SR
Compression · 10→100 kPa compression dry recovery wet recovery
1.80 mm 1.24 mm 2 1 0 10 40 70 100 kPa

Thickness (mm) vs test pressure. Approximate values read from printed catalogue curves.

Great float performance and instant high-current discharge
High porosity for great electrolyte retention
Great recovery to maintain plate-group pressure
Open series page → Request full TDS
Series 04 / 07 — Datasheet extract AGM · glass microfiber

Motive Power

Deep-cycle separator for e-bike, low-speed EV, forklift and golf cart traction batteries.

Thickness range @100 kPa (0.5–1.2) ±5%mm
Density 215 ±10g/m²·mm
Avg. fiber diameter 0.5–2.0μm
Specific surface area (BET) ≥ 1.6m²/g
Avg. beating degree ≥ 35°SR
Compression · 10→100 kPa compression dry recovery wet recovery
0.81 mm 0.51 mm 1 0.5 0 10 40 70 100 kPa

Thickness (mm) vs test pressure. Approximate values read from printed catalogue curves.

Great deep-cycle charge and discharge performance
High BET for strong acid absorption and dendrite resistance
High puncture resistance
Open series page → Request full TDS
Series 05 / 07 — Datasheet extract AGM · glass microfiber

Energy Storage & High Temperature

Separator for clean-energy storage and telecom batteries operating in high-temperature environments.

Thickness @10 kPa (1.5–3.0) ±5%mm
Density 165 ±10g/m²·mm
Avg. fiber diameter 0.5–2.0μm
Specific surface area (BET) ≥ 1.5m²/g
Avg. beating degree ≥ 32°SR
Compression · 10→100 kPa compression dry recovery wet recovery
1.81 mm 1.15 mm 2 1 0 10 40 70 100 kPa

Thickness (mm) vs test pressure. Approximate values read from printed catalogue curves.

Stable and reliable float performance
High puncture resistance to prevent short circuits — maintained at high temperature
Strong resistance to heat-driven collapse and shrinkage across large temperature swings
Open series page → Request full TDS
Series 06 / 07 — Datasheet extract AGM · glass microfiber

Telecom & UPS

Float-service separator for telecom, UPS, grid and railway backup batteries.

Thickness range @10 kPa (1.5–3.0) ±5%mm
Density 150 ±10g/m²·mm
Avg. fiber diameter 1.0–3.0μm
Specific surface area (BET) ≥ 1.4m²/g
Avg. beating degree ≥ 30°SR
Compression · 10→100 kPa compression dry recovery wet recovery
2.26 mm 1.44 mm 2.4 1.2 0 10 40 70 100 kPa

Thickness (mm) vs test pressure. Approximate values read from printed catalogue curves.

Stable and reliable float performance
Great electrolyte stratification resistance
Great recovery to maintain plate-group pressure over long float service
Open series page → Request full TDS
Series 07 / 07 — Datasheet extract Glass fiber · process material

Pasting Paper

Glass fiber pasting paper that wraps plates to support wet paste in modern plate manufacturing.

Thickness range @100 kPa 0.05–0.40mm
Density 180 ±10g/m²·mm
Avg. fiber diameter 0.5–1.5μm
Specific surface area (BET) ≥ 2.0m²/g
Avg. beating degree ≥ 39°SR
Compression · 10→100 kPa compression dry recovery wet recovery
0.179 mm 0.123 mm 0.2 0.1 0 10 40 70 100 kPa

Thickness (mm) vs test pressure. Approximate values read from printed catalogue curves.

Good evenness for uniform paste application
Chemically stable in battery service
High tensile strength for high-speed pasting production
Open series page → Request full TDS
  • IATF 16949:2016 — all 3 plants
  • ISO 9001:2015 — since 2002
  • ISO 14001:2015 — Inner Mongolia & Chuzhou
  • ISO 45001:2018 — Chuzhou
  • RoHS & REACH compliant

Mother-roll winder · Separator line

Every series above ships as jumbo rolls or sheets, slit to your plate dimensions.

Beyond separators

Alpha Beta also produces glass fiber mats and Stranmat composite mats for battery applications, and glass microfiber air filtration media (ULPA / HEPA grades). These lines are quoted on request — contact our sales team with your requirements.

Samples & TDS

Qualifying a second source?

Send us your spec. Samples and full TDS ship within days.

Request samples sales@agmalphabeta.com