Good yellowing resistance
Excellent fluidity
Easy to release from mold
High transparency
High transparency
The LSR is suitable for medical devices such as breathing masks, throat tubing, and other medical care appliances.


| Properties | Model No. | |||||
| Appearance | BQ-6540 | BQ-6550 | BQ-6560 | BQ-6570 | ||
| A | Transparent | |||||
| B | Transparent | |||||
| Viscosity mPa.s | A | 1200 | 2000 | 2000 | 2400 | |
| B | 1000 | 2500 | 1800 | 2000 | ||
| Hardness shore A | 40±3 | 50±3 | 60±3 | 65±3 | ||
| Tensile strength | >8.0 | >8.0 | >8.0 | >8.0 | ||
| Elongation (%) | >600 | >450 | >380 | >300 | ||
| Tear strength (kN/m) | >25 | >30 | >30 | >30 | ||
Specific Gravity (g/cm3) | 1.11± 0.2 | 1.12± 0.2 | 1.12± 0.2 | 1.13± 0.2 | ||
FDA
LFGB
Biocompatibility (Skin Sensitization Test, Skin Irritation Test, Cytotoxicity Test)
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