Rubber Inc – Product FAQs
Bondex Pro 2:1 Epoxy Resin
What is Bondex Pro 2:1 Epoxy Resin?
Bondex Pro is a professional-grade, crystal-clear epoxy resin with a 2:1 mixing ratio, perfect for coating, casting, and craft projects. What is the mixing ratio?
2 parts resin (Part A) to 1 part hardener (Part B) by weight. How long is the working time?
Approximately 40 minutes at 25°C for a 100g mixture. Can it be used for both casting and coating?
Yes, it’s suitable for both applications. Is it UV-resistant?
Yes, it’s designed to resist yellowing under normal conditions. Is it self-leveling?
Yes, it self-levels for smooth finishes. Can I make jewelry with it?
Yes, it’s ideal for crystal-clear jewelry. Is it food-safe?
No, it’s not certified food-safe. How do I avoid bubbles?
Mix slowly and use a heat gun or torch to remove surface bubbles. What is the ideal curing temperature?
Room temperature (20–25°C) in a dust-free environment.
Tin-Cure Silicone Rubber (20kg, 5kg, 1kg)
What is Tin-Cure Silicone Rubber?
A two-part mold-making silicone that cures at room temperature using a curing agent. What is the mix ratio?
100:2 by weight (e.g., 20g curing agent per 1kg silicone base). What is the shore hardness?
Shore A ~20 (medium hardness). Is it food-safe?
No, it’s not food-grade. What is the curing time?
Approximately 4–6 hours at room temperature. Can I speed up curing?
Yes, slightly elevated temperatures reduce curing time. What is the shelf life?
12 months when stored sealed in a cool, dry place. Can I add color?
Yes, use silicone-safe pigments. Does it work on all materials?
Most; porous surfaces may need sealing/release agent. Is it flexible after curing?
Yes, it remains soft and flexible for easy demolding.
Platinum-Cure Silicone Rubber
What is Platinum-Cure Silicone?
A high-grade silicone with a platinum catalyst offering excellent tear strength and durability. What is the mixing ratio?
1:1 by weight or volume (Part A : Part B). Is it food-safe?
It can be food-safe if using a certified food-contact formulation. How long is the working time?
About 30–40 minutes. What is the curing time?
Roughly 6–8 hours at room temperature (varies by mass/temp). Can I use it for resin molds?
Yes, it’s ideal for epoxy/PU resin casting. Does it shrink?
Negligible shrinkage. Is it heat resistant?
Yes, commonly up to ~200°C depending on grade. Can it be used for medical molds?
Yes, if the specific medical-grade, certified formulation is used. What is the shore hardness?
Typically Shore A 15–20 for general-use formulas.
Soy Wax
What is Soy Wax?
A natural wax derived from soybean oil, commonly used for container candles. What is the melting point?
Approximately 49–52°C. Does it hold fragrance well?
Yes, soy wax offers strong hot and cold scent throw. Can I blend it with other waxes?
Yes—often blended with paraffin or beeswax. Is it eco-friendly?
Yes, it’s biodegradable and renewable. Does it produce soot?
Very little compared to paraffin wax when wicked properly. How do I color soy wax?
Use candle-safe liquid dyes, chips, or blocks. What wick is best?
Cotton or wooden wicks depending on jar diameter. Is it safe on skin?
Pure soy wax is skin-safe; ensure any fragrance is skin-safe before contact. What is it best for?
Container candles and wax melts.
Beeswax
What is Beeswax?
A natural wax produced by honeybees. What is the melting point?
Approximately 62–64°C. What is it used for?
Candles, cosmetics, wood polish, and crafts. Is it safe for cosmetics?
Yes, commonly used in lip balms, salves, and creams. Does it have a scent?
Yes, a natural mild honey aroma. Can it be dyed?
Yes, with candle-safe dyes. Is it good for pillar candles?
Yes—excellent for pillars and also suitable for containers. Can it blend with other waxes?
Yes, blends nicely with soy wax. How should I store it?
Keep in a cool, dry place away from direct sunlight. Is beeswax eco-friendly?
Yes, it’s renewable and biodegradable.