2. Experimental
2.1. Materials
High ammonia NR latex with 60% total solid content was purchased from Zarm Scientific and Supplies (Malaysia) Sdn Bhd. Sago starch was manufactured by Sago Link Sdn Bhd. Potassium hydroxide by Merck Sdn Bhd. Anchoid, antioxidant, zinc oxide (ZnO), zinc diethyldithiocarbamate (ZDEC) and sulphur dispersions were supplied by HH Saintifik Enterprise Sdn Bhd and were used as received.