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SELL GLASS BEADS
1. Appearance: transparent sphere, clean and round, without obvious bubble or impurity.
2. Specific gravity: 2.3-2.5g/cm3
3. Refractive index: (20% method of dipping) 1.5-1.55.
4. Roundness: product of No.1>70%, others>80%
5. Component: sio2>62%.
6. Waterproof Capability: To neutralize 100ml water, the 0.01M hydrochloric acid demanded is not more than 10ml.
Testing method: Products are tested by sample testing sieves, timed testing sieve shaker, roundness.
In order to maintain high quality, we also undertake self-inspection, mutual inspection, and special, inspection Tags Glass Beads
Address: No.215 Wulong Yongqing, Langfang, Hebei, China
Phone: 86-316-6686076 - Fax: 86-316-6686076
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