Simple identification of rubber types by combustion method
The approximate combustion characteristics are outlined below:
1. NR: Appearance; light yellow and translucent. Flammability; easy. Flame characteristics; black smoke, dark yellow flame, softening. Residue odor; rubber odor, residue non-sticky.
2. IR: Appearance; light yellow translucent. Flammability; easy. Flame characteristics; black smoke, dark yellow flame, softening. Residual odor; rubber odor residue is not sticky.
3. BR: Appearance; light yellow translucent. Flammability; easy. Flame characteristics; black smoke, dark yellow flame, softening. Residue odor; residue not sticky.
4. SBR: Appearance; light yellow, or light brown red translucent. Flammability; easy. Flame characteristics; black smoke, dark yellow flame, softening. Residual odor; styrene odor, slightly swollen, non-sticky
5. NBR: Appearance; light yellow-light brown, translucent. Flammability; easy. Flame characteristics; black smoke, dark yellow flame, softening. Residual smell; protein burning smell, no stickiness.
6. IIR: Appearance; colorless, transparent-translucent. Flammability; easy. Flame characteristics; smokeless, diffuse flame. Residual odor; melting, sweet odor.
7. EPDM: Appearance; white, opaque. Flammability; smokeless, scattered beam flame, the flame is blue. Residual smell; paraffin smell.
8. CR: Appearance; light yellow-light brown, opaque. flammable; difficult. Flame characteristics; green flame. Smell of residue; swelling, odor of hydrochloric acid
9. SR: Appearance; white. Translucent - Opaque. Flammability; Moderately flammable; Flame characteristics; White smoke, bright white flame. Residual odor; white ash, less odor.
10. FKM: Appearance; white, opaque. Flammability; extremely difficult. Flame characteristics; self-extinguishing, green flame. Residual smell; softening, poisonous gas.
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