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it can meet different coutries standards like Japan , Korea, Canada ,USA, Europe .South Africa etc. - details see: https://www.machineto.com/low-heavy-metal-industrial-polishing-grinding-sandblasting-glass-beads-10212681

1) Product Introduction
Glass bead for sandblasting has the features of chemical stability, high mechanical intensity and hardness. They can be blasted onto the object surface with compressed air and can be used on compress glass, rubber, plastic, moulds with metal casting or compressing. The jetting balls would help reduce elasticity of the surface materials and increase wearing capacity.
2) Product Specification
Main products specification for sandblasting according to following table:

No.	MESH	DIAMETER
B	#30-40	595-420Micron
C	#40-60	420-250Micron
AB	#50-70	297-210Micron
AC	#60-100	250-149Micron
AD	#70-140	210-105Micron
AE	#100-170	149-88Micron
AF	#100-200	149-74Micron
AG	#140-270	105-53Micron
AH	#170-320	88-44Micron
AI	#270-325	53-44Micron
AQ	#320-400	44-less Micron

You can choose different size glass bead between 45um-850um according to different function.

High Strength Glass Bead (for Blasting)
With compressed air as implicit power, this product is made by sprinkling beads under high speed and pressure on the surface of workpiece for peening and polishing.

Other purposes of the products are as follows:
1. Clear diverse moulds of impact forging, forging, glass, rubber and plastic, metal casting and extrusion.
2. Eliminate tensile stress, increase fatigue life and enhance stress corrosion resistance. For example, aircraft engine turbo, vane, shaft, undercarriage, diversified springs and gears, etc.
3. Clean and remove slitter edge and burr on the circuit plate and plastic-sealed geminate transistors before stannum soldering
4. Remove stems in the piston and cylinder and provide bright and half-lackluster surface for medical mechanical instruments and automobile parts
5. Clear electromotor and such parts as loop, electric brush and rotor of during heavy repair
6. Clean up and remove burr of metal tube and precisely-melten non-ferrous metal tube. Be used for peening aggrandizement and polishing of textile machinery parts.

High Strength Glass Beads for blasting

Type	Mesh	Grain Size μ m
30#	20-40	850-425
40#	30-40	600-425
60#	40-60	425-300
80#	60-100	300-150
100#	70-140	212-106
120#	100-140	150-106
150#	100-200	150-75
180#	140-200	106-75
220#	140-270	106-53
280#	200-325	75-45

3) Technical references
Appearance: Clean and transparent, no visible bubbles and impurity.
Density:2.4-2.6g/cm3
Hardness:6-7(Moh's)
Spherical beads:≥75%
SiO2 content:>72%

4) Package
1.Using double-deck package, the inner is polythene film and its thickness is not less than 0.5mm; the outer is plastic woven bag to prevent leak or damp. The net weight of each bag is 25±0.2kg.
2.Using double-deck package, the inner is polythene film and its thickness is not less than 0.5mm, the outer is paper-plastic compound bag to prevent leak or damp. The net weight of each is 25±0.2kg.
3.According to clients' requirement.