Choose microcrystalline wax by the problem you need to solve—not by assuming that a higher number is automatically better. BB-M170, BB-M175, and BB-M195 modify a wax formula in different directions.
| Wax | Choose it when you need | Watch for |
|---|---|---|
| BB-M170 | More flexibility, tack, toughness, or crack resistance | Too much may make the blend soft or sticky |
| BB-M175 | A balanced adjustment to adhesion, cohesion, and flexibility | It is not a guaranteed fix for container wet spots |
| BB-M195 | More hardness, structure, or heat resistance in freestanding formulas | Too much may increase brittleness or affect fragrance and burning |
Direct answer: Start with BB-M170 when a compatible blend cracks or needs to bend more. Choose BB-M175 when you want moderate flexibility plus cohesion or adhesion. Test BB-M195 when a paraffin pillar, taper, or molded formula is too soft or loses its shape.
These are blending additives, not ready-to-use candle waxes. Begin with a small batch and weigh every ingredient. For BB-M170 and BB-M175, Bloombay lists 1–5% by weight as a starting test range. For BB-M195, start with a small measured amount and increase gradually.
Change only one variable at a time. After changing an additive, re-test the complete formula with the same wax, fragrance, dye, wick, mold or container, and cooling conditions. The final candle still requires a full burn test.
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